Below is a table of scores for Iron Sudoku puzzles going back to the first puzzle published on March 11, 2006. As new puzzles are published, I will normally publish the scores here and in the Iron Sudoku chatterbox on the same day, but no promises. Some of these scores will not agree with what I first posted in the Iron Sudoku chatterbox. That is because I have changed the scoring algorithm a couple of times since I first started posting the scores. I have gone back and redone the scores using the latest version of the program for this table.

There is a very basic statistical analysis of the scores at the bottom of this page. The mean score and standard deviation are given for each class of puzzle (Easy, Medium, Hard and Expert) and for all the puzzles collectively. There is a histogram showing the distribution of the scores too.

You can use the Table of Contents below to find what you are looking for. You can click on any score in the table to go to the Iron Sudoku archives and view the puzzle.

Table of Contents

Scores

    2015
January February March April May June July August September October November
 
    2014
January February March April May June July August September October November December
 
    2013
January February March April May June July August September October November December
 
    2012
January February March April May June July August September October November December
 
    2011
January February March April May June July August September October November December
 
    2010
January February March April May June July August September October November December
 
    2009
January February March April May June July August September October November December
 
    2008
January February March April May June July August September October November December
 
    2007
January February March April May June July August September October November December
 
    2006
March April May June July August September October November December
 

Statistics

Frequency Distribution of Scores

Search

Scores

2015

Average score: 20.22
November 2015
Sun Mon Tue Wed Thu Fri Sat
1
Easy
29
2
Hard
31
3
Easy
9
4
Easy
15
5
Medium
29
6
Easy
21
7
Easy
19
8
Easy
13
9
Easy
16
10
 
 
11
 
 
12
 
 
13
 
 
14
 
 
15
 
 
16
 
 
17
 
 
18
 
 
19
 
 
20
 
 
21
 
 
22
 
 
23
 
 
24
 
 
25
 
 
26
 
 
27
 
 
28
 
 
29
 
 
30
 
 
         
Average score: 30.42
October 2015
Sun Mon Tue Wed Thu Fri Sat
        1
Expert
58
2
Easy
25
3
Expert
43
4
Easy
14
5
Easy
13
6
Expert
69
7
Expert
53
8
Easy
26
9
Expert
43
10
Easy
16
11
Expert
103
12
Easy
20
13
Easy
24
14
Easy
17
15
Easy
20
16
Expert
34
17
Easy
12
18
Easy
30
19
Easy
24
20
Easy
22
21
Easy
15
22
Expert
44
23
Medium
20
24
Easy
17
25
Expert
73
26
Easy
17
27
Easy
24
28
Easy
22
29
Easy
10
30
Easy
18
31
Easy
17
Average score: 28.93
September 2015
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
20
2
Expert
42
3
Easy
27
4
Easy
33
5
Medium
31
6
Hard
29
7
Expert
50
8
Easy
16
9
Easy
16
10
Expert
40
11
Easy
17
12
Easy
21
13
Expert
64
14
Easy
18
15
Easy
12
16
Expert
41
17
Expert
38
18
Medium
34
19
Expert
47
20
Easy
27
21
Medium
33
22
Expert
47
23
Easy
15
24
Easy
21
25
Easy
19
26
Easy
27
27
Easy
23
28
Easy
14
29
Easy
26
30
Easy
20
     
Average score: 25.00
August 2015
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
26
2
Easy
15
3
Easy
23
4
Easy
27
5
Easy
20
6
Easy
17
7
Easy
18
8
Easy
13
9
Expert
38
10
Easy
18
11
Expert
45
12
Easy
22
13
Easy
23
14
Easy
12
15
Easy
16
16
Easy
16
17
Easy
20
18
Easy
17
19
Easy
17
20
Expert
74
21
Easy
25
22
Easy
26
23
Expert
62
24
Easy
16
25
Easy
22
26
Easy
16
27
Easy
21
28
Easy
12
29
Easy
18
30
Easy
22
31
Expert
58
         
Average score: 27.13
July 2015
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
19
2
Easy
14
3
Easy
16
4
Easy
13
5
Easy
18
6
Medium
19
7
Easy
22
8
Easy
14
9
Easy
11
10
Expert
54
11
Easy
24
12
Easy
18
13
Easy
13
14
Expert
72
15
Hard
32
16
Easy
19
17
Easy
20
18
Easy
17
19
Medium
32
20
Easy
8
21
Easy
20
22
Expert
42
23
Expert
33
24
Easy
25
25
Easy
25
26
Expert
57
27
Medium
19
28
Easy
23
29
Expert
34
30
Expert
63
31
Expert
45
 
Average score: 24.43
June 2015
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
16
2
Easy
16
3
Hard
30
4
Expert
70
5
Easy
22
6
Easy
19
7
Easy
18
8
Expert
50
9
Easy
13
10
Easy
14
11
Easy
20
12
Easy
15
13
Easy
13
14
Easy
16
15
Expert
64
16
Medium
21
17
Easy
27
18
Easy
18
19
Easy
13
20
Expert
57
21
Medium
28
22
Easy
12
23
Easy
15
24
Easy
18
25
Medium
26
26
Easy
17
27
Easy
19
28
Easy
16
29
Easy
17
30
Expert
33
       
Average score: 26.94
May 2015
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
15
2
Expert
74
3
Easy
9
4
Easy
10
5
Easy
14
6
Expert
38
7
Easy
16
8
Easy
14
9
Easy
18
10
Easy
20
11
Easy
19
12
Easy
28
13
Easy
21
14
Easy
16
15
Easy
21
16
Expert
56
17
Hard
28
18
Easy
28
19
Easy
20
20
Easy
23
21
Easy
20
22
Expert
49
23
Medium
26
24
Easy
16
25
Easy
15
26
Easy
20
27
Expert
54
28
Easy
25
29
Easy
20
30
Expert
57
31
Expert
45
           
Average score: 29.37
April 2015
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
14
2
Easy
18
3
Expert
62
4
Expert
34
5
Easy
29
6
Easy
20
7
Easy
25
8
Easy
17
9
Easy
20
10
Expert
61
11
Expert
59
12
Expert
79
13
Easy
25
14
Easy
23
15
Easy
25
16
Easy
24
17
Easy
16
18
Easy
17
19
Easy
18
20
Expert
48
21
Easy
24
22
Easy
24
23
Easy
12
24
Easy
22
25
Easy
15
26
Medium
17
27
Medium
16
28
Expert
55
29
Easy
26
30
Expert
36
   
Average score: 24.00
March 2015
Sun Mon Tue Wed Thu Fri Sat
1
Easy
16
2
Expert
58
3
Easy
21
4
Easy
27
5
Expert
49
6
Easy
16
7
Easy
23
8
Hard
33
9
Easy
9
10
Hard
21
11
Easy
15
12
Easy
22
13
Medium
18
14
Easy
12
15
Easy
20
16
Easy
18
17
Easy
14
18
Easy
29
19
Easy
13
20
Expert
58
21
Easy
23
22
Expert
39
23
Easy
23
24
Expert
29
25
Easy
14
26
Easy
18
27
Easy
24
28
Easy
15
29
Easy
25
30
Easy
20
31
Easy
22
       
Average score: 30.36
February 2015
Sun Mon Tue Wed Thu Fri Sat
1
Medium
22
2
Easy
11
3
Expert
35
4
Expert
71
5
Expert
75
6
Easy
17
7
Expert
51
8
Easy
18
9
Easy
24
10
Expert
43
11
Easy
22
12
Easy
14
13
Expert
69
14
Easy
20
15
Easy
21
16
Easy
15
17
Easy
26
18
Expert
39
19
Easy
22
20
Easy
16
21
Easy
24
22
Easy
17
23
Easy
24
24
Easy
25
25
Expert
36
26
Expert
53
27
Easy
22
28
Easy
18
Average score: 26.45
January 2015
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
18
2
Medium
26
3
Expert
37
4
Easy
28
5
Easy
18
6
Expert
37
7
Expert
43
8
Easy
29
9
Easy
19
10
Easy
16
11
Expert
32
12
Easy
12
13
Easy
21
14
Easy
17
15
Easy
18
16
Easy
17
17
Easy
23
18
Easy
15
19
Easy
16
20
Expert
35
21
Expert
54
22
Easy
12
23
Easy
13
24
Expert
29
25
Expert
78
26
Medium
28
27
Easy
28
28
Easy
19
29
Easy
20
30
Easy
14
31
Expert
48

2014

Average score: 30.74
December 2014
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
18
2
Easy
25
3
Easy
26
4
Easy
9
5
Easy
17
6
Easy
21
7
Expert
49
8
Medium
18
9
Easy
11
10
Expert
36
11
Easy
29
12
Hard
31
13
Easy
17
14
Expert
45
15
Medium
20
16
Expert
57
17
Easy
16
18
Easy
19
19
Expert
72
20
Expert
54
21
Easy
12
22
Expert
79
23
Easy
23
24
Easy
18
25
Easy
31
26
Easy
30
27
Expert
32
28
Easy
18
29
Easy
23
30
Easy
12
31
Expert
85
     
Average score: 29.37
November 2014
Sun Mon Tue Wed Thu Fri Sat
            1
Expert
56
2
Easy
26
3
Easy
29
4
Easy
16
5
Easy
12
6
Easy
29
7
Easy
16
8
Easy
18
9
Easy
21
10
Expert
63
11
Expert
40
12
Easy
12
13
Expert
47
14
Medium
21
15
Hard
32
16
Easy
15
17
Easy
15
18
Expert
73
19
Expert
46
20
Medium
35
21
Easy
17
22
Easy
14
23
Easy
13
24
Expert
52
25
Expert
67
26
Easy
13
27
Easy
15
28
Easy
23
29
Medium
31
30
Easy
14
           
Average score: 30.58
October 2014
Sun Mon Tue Wed Thu Fri Sat
      1
Expert
36
2
Hard
30
3
Easy
15
4
Easy
12
5
Easy
24
6
Easy
25
7
Easy
16
8
Medium
26
9
Easy
22
10
Easy
24
11
Easy
24
12
Easy
19
13
Expert
34
14
Expert
38
15
Hard
31
16
Hard
31
17
Expert
65
18
Hard
26
19
Easy
18
20
Easy
17
21
Expert
39
22
Expert
94
23
Medium
21
24
Expert
65
25
Easy
23
26
Easy
26
27
Easy
22
28
Easy
28
29
Easy
22
30
Easy
21
31
Expert
54
 
Average score: 28.73
September 2014
Sun Mon Tue Wed Thu Fri Sat
  1
Expert
74
2
Easy
13
3
Expert
92
4
Easy
15
5
Easy
16
6
Easy
26
7
Easy
14
8
Easy
11
9
Easy
16
10
Easy
14
11
Expert
46
12
Easy
31
13
Expert
43
14
Expert
40
15
Easy
22
16
Expert
39
17
Easy
23
18
Easy
25
19
Easy
19
20
Expert
57
21
Easy
18
22
Easy
16
23
Easy
31
24
Easy
21
25
Easy
19
26
Easy
12
27
Hard
24
28
Easy
17
29
Expert
44
30
Medium
24
       
Average score: 30.90
August 2014
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
14
2
Easy
12
3
Expert
72
4
Expert
63
5
Easy
13
6
Expert
38
7
Easy
14
8
Easy
25
9
Easy
21
10
Easy
13
11
Hard
42
12
Medium
21
13
Easy
17
14
Easy
20
15
Expert
39
16
Expert
36
17
Easy
20
18
Easy
22
19
Expert
46
20
Easy
14
21
Easy
13
22
Easy
13
23
Expert
94
24
Easy
28
25
Easy
19
26
Easy
29
27
Medium
30
28
Expert
76
29
Easy
11
30
Easy
23
31
Expert
60
           
Average score: 31.71
July 2014
Sun Mon Tue Wed Thu Fri Sat
    1
Expert
64
2
Easy
27
3
Expert
52
4
Easy
15
5
Easy
22
6
Easy
14
7
Easy
29
8
Easy
20
9
Easy
21
10
Easy
17
11
Medium
28
12
Easy
26
13
Expert
58
14
Easy
25
15
Expert
41
16
Expert
56
17
Expert
74
18
Hard
41
19
Easy
23
20
Easy
14
21
Easy
20
22
Easy
23
23
Easy
17
24
Easy
18
25
Easy
30
26
Expert
77
27
Easy
11
28
Easy
10
29
Expert
52
30
Easy
20
31
Expert
38
   
Average score: 33.80
June 2014
Sun Mon Tue Wed Thu Fri Sat
1
Easy
15
2
Expert
41
3
Easy
23
4
Easy
17
5
Easy
19
6
Easy
17
7
Expert
51
8
Easy
26
9
Expert
68
10
Easy
21
11
Easy
27
12
Easy
12
13
Hard
31
14
Easy
19
15
Expert
42
16
Expert
52
17
Easy
21
18
Expert
46
19
Easy
16
20
Expert
63
21
Expert
56
22
Expert
80
23
Easy
17
24
Easy
14
25
Easy
18
26
Medium
27
27
Easy
17
28
Expert
79
29
Expert
53
30
Easy
26
         
Average score: 33.03
May 2014
Sun Mon Tue Wed Thu Fri Sat
        1
Expert
68
2
Expert
54
3
Easy
16
4
Easy
20
5
Easy
32
6
Hard
29
7
Easy
24
8
Easy
18
9
Easy
22
10
Expert
59
11
Expert
76
12
Expert
103
13
Easy
19
14
Easy
15
15
Easy
14
16
Easy
15
17
Easy
15
18
Easy
16
19
Easy
18
20
Expert
35
21
Easy
26
22
Easy
15
23
Easy
11
24
Easy
22
25
Easy
16
26
Expert
48
27
Expert
36
28
Expert
75
29
Expert
65
30
Easy
27
31
Easy
15
Average score: 30.27
April 2014
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
16
2
Expert
50
3
Medium
25
4
Easy
22
5
Easy
21
6
Easy
13
7
Easy
23
8
Expert
71
9
Easy
11
10
Medium
24
11
Expert
52
12
Expert
40
13
Easy
18
14
Easy
38
15
Easy
16
16
Easy
26
17
Easy
18
18
Easy
18
19
Medium
22
20
Expert
56
21
Medium
27
22
Easy
15
23
Expert
45
24
Easy
21
25
Easy
16
26
Expert
54
27
Easy
23
28
Easy
22
29
Expert
56
30
Expert
49
     
Average score: 27.13
March 2014
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
32
2
Expert
49
3
Easy
22
4
Easy
12
5
Easy
24
6
Easy
19
7
Medium
26
8
Easy
20
9
Easy
11
10
Easy
21
11
Easy
14
12
Easy
24
13
Easy
23
14
Easy
20
15
Easy
32
16
Expert
53
17
Easy
11
18
Easy
31
19
Easy
24
20
Easy
26
21
Expert
48
22
Easy
16
23
Expert
55
24
Expert
39
25
Easy
16
26
Easy
16
27
Expert
68
28
Easy
14
29
Expert
43
30
Easy
16
31
Easy
16
         
Average score: 32.64
February 2014
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
13
2
Easy
14
3
Hard
35
4
Expert
46
5
Easy
17
6
Easy
19
7
Easy
23
8
Easy
14
9
Easy
30
10
Easy
16
11
Easy
19
12
Easy
27
13
Hard
35
14
Easy
14
15
Expert
41
16
Expert
39
17
Expert
61
18
Easy
29
19
Easy
32
20
Expert
34
21
Expert
59
22
Easy
18
23
Expert
42
24
Easy
20
25
Expert
81
26
Expert
43
27
Expert
79
28
Easy
14
 
Average score: 24.65
January 2014
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
8
2
Easy
8
3
Easy
18
4
Easy
19
5
Medium
33
6
Easy
23
7
Expert
38
8
Easy
16
9
Easy
18
10
Easy
15
11
Medium
18
12
Easy
21
13
Easy
18
14
Easy
17
15
Easy
26
16
Easy
16
17
Easy
30
18
Easy
28
19
Easy
25
20
Expert
54
21
Expert
66
22
Easy
19
23
Easy
13
24
Easy
18
25
Easy
15
26
Expert
42
27
Easy
22
28
Easy
13
29
Medium
22
30
Expert
50
31
Medium
35
 

2013

Average score: 32.35
December 2013
Sun Mon Tue Wed Thu Fri Sat
1
Medium
37
2
Easy
20
3
Easy
11
4
Expert
52
5
Expert
57
6
Medium
19
7
Easy
20
8
Expert
36
9
Expert
75
10
Expert
46
11
Easy
24
12
Easy
17
13
Hard
47
14
Easy
10
15
Easy
7
16
Easy
25
17
Medium
20
18
Easy
16
19
Expert
72
20
Easy
19
21
Expert
61
22
Easy
19
23
Expert
48
24
Expert
88
25
Easy
22
26
Easy
14
27
Expert
34
28
Easy
11
29
Easy
23
30
Hard
27
31
Easy
26
       
Average score: 38.00
November 2013
Sun Mon Tue Wed Thu Fri Sat
          1
Expert
46
2
Easy
15
3
Easy
12
4
Easy
19
5
Easy
10
6
Expert
37
7
Easy
22
8
Easy
21
9
Expert
56
10
Easy
17
11
Easy
25
12
Easy
26
13
Easy
27
14
Expert
59
15
Expert
71
16
Easy
20
17
Hard
38
18
Expert
92
19
Easy
29
20
Expert
79
21
Expert
52
22
Expert
65
23
Medium
19
24
Medium
32
25
Expert
68
26
Expert
50
27
Easy
19
28
Easy
16
29
Expert
50
30
Expert
48
Average score: 28.26
October 2013
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
21
2
Easy
19
3
Easy
18
4
Easy
22
5
Easy
7
6
Easy
22
7
Expert
88
8
Easy
23
9
Easy
17
10
Easy
17
11
Expert
45
12
Medium
29
13
Easy
13
14
Easy
17
15
Easy
31
16
Medium
24
17
Easy
18
18
Easy
16
19
Easy
18
20
Easy
20
21
Expert
66
22
Easy
20
23
Medium
25
24
Easy
24
25
Expert
45
26
Expert
43
27
Easy
17
28
Easy
33
29
Easy
11
30
Expert
68
31
Expert
39
   
Average score: 34.23
September 2013
Sun Mon Tue Wed Thu Fri Sat
1
Expert
28
2
Easy
13
3
Expert
47
4
Easy
16
5
Easy
18
6
Easy
30
7
Easy
21
8
Easy
24
9
Expert
67
10
Easy
20
11
Expert
118
12
Easy
21
13
Easy
22
14
Expert
47
15
Expert
48
16
Easy
17
17
Expert
64
18
Easy
16
19
Easy
14
20
Expert
50
21
Expert
74
22
Easy
17
23
Easy
17
24
Easy
25
25
Hard
34
26
Easy
21
27
Medium
22
28
Easy
20
29
Expert
65
30
Medium
31
         
Average score: 31.00
August 2013
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
20
2
Hard
37
3
Easy
13
4
Easy
20
5
Expert
78
6
Easy
18
7
Easy
16
8
Expert
57
9
Medium
31
10
Medium
22
11
Expert
42
12
Expert
45
13
Expert
37
14
Easy
25
15
Easy
13
16
Easy
16
17
Expert
47
18
Medium
20
19
Expert
47
20
Easy
27
21
Expert
33
22
Easy
24
23
Easy
15
24
Expert
60
25
Easy
11
26
Expert
53
27
Medium
35
28
Easy
11
29
Easy
29
30
Easy
25
31
Expert
34
Average score: 39.26
July 2013
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
19
2
Expert
75
3
Easy
20
4
Easy
14
5
Expert
49
6
Expert
64
7
Easy
15
8
Expert
38
9
Medium
34
10
Expert
119
11
Easy
15
12
Easy
20
13
Expert
79
14
Expert
53
15
Expert
41
16
Easy
17
17
Expert
51
18
Expert
62
19
Expert
52
20
Medium
21
21
Expert
44
22
Expert
42
23
Easy
8
24
Expert
85
25
Easy
18
26
Easy
17
27
Expert
46
28
Easy
26
29
Easy
26
30
Easy
26
31
Easy
21
     
Average score: 36.63
June 2013
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
23
2
Easy
14
3
Expert
47
4
Expert
81
5
Expert
59
6
Easy
14
7
Expert
38
8
Expert
47
9
Easy
14
10
Hard
35
11
Easy
13
12
Expert
40
13
Expert
69
14
Easy
24
15
Easy
22
16
Easy
16
17
Expert
49
18
Easy
12
19
Easy
22
20
Expert
113
21
Expert
51
22
Easy
21
23
Expert
63
24
Expert
29
25
Expert
45
26
Easy
27
27
Easy
23
28
Easy
16
29
Easy
17
30
Expert
55
           
Average score: 25.61
May 2013
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
26
2
Expert
32
3
Easy
15
4
Medium
16
5
Easy
22
6
Easy
17
7
Easy
21
8
Easy
12
9
Easy
20
10
Easy
26
11
Medium
16
12
Easy
15
13
Easy
13
14
Easy
19
15
Easy
20
16
Expert
54
17
Easy
16
18
Expert
104
19
Expert
55
20
Easy
25
21
Easy
21
22
Easy
25
23
Easy
24
24
Easy
22
25
Easy
23
26
Easy
22
27
Easy
25
28
Hard
31
29
Easy
18
30
Easy
22
31
Easy
17
 
Average score: 26.87
April 2013
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
20
2
Expert
38
3
Hard
30
4
Expert
42
5
Easy
35
6
Medium
22
7
Easy
21
8
Easy
21
9
Easy
16
10
Expert
64
11
Medium
22
12
Expert
44
13
Expert
30
14
Easy
28
15
Medium
25
16
Easy
12
17
Easy
9
18
Easy
25
19
Easy
23
20
Expert
73
21
Easy
18
22
Expert
35
23
Easy
13
24
Medium
27
25
Easy
16
26
Medium
19
27
Easy
17
28
Medium
19
29
Easy
17
30
Easy
25
       
Average score: 28.16
March 2013
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
23
2
Easy
15
3
Easy
17
4
Easy
28
5
Expert
47
6
Expert
39
7
Easy
23
8
Expert
55
9
Easy
24
10
Easy
15
11
Easy
9
12
Expert
48
13
Easy
14
14
Medium
34
15
Easy
16
16
Expert
34
17
Hard
30
18
Expert
53
19
Easy
18
20
Expert
40
21
Easy
16
22
Expert
34
23
Easy
11
24
Easy
20
25
Expert
51
26
Expert
26
27
Easy
23
28
Easy
30
29
Expert
41
30
Easy
14
31
Easy
25
           
Average score: 26.29
February 2013
Sun Mon Tue Wed Thu Fri Sat
          1
Medium
23
2
Easy
19
3
Easy
13
4
Expert
42
5
Easy
12
6
Expert
64
7
Expert
39
8
Easy
19
9
Expert
49
10
Medium
20
11
Easy
13
12
Expert
42
13
Expert
34
14
Easy
14
15
Easy
18
16
Easy
15
17
Expert
49
18
Easy
21
19
Hard
32
20
Medium
19
21
Expert
34
22
Easy
18
23
Easy
27
24
Easy
15
25
Easy
24
26
Medium
32
27
Easy
13
28
Easy
16
   
Average score: 23.03
January 2013
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
20
2
Easy
18
3
Easy
15
4
Easy
13
5
Hard
23
6
Easy
14
7
Easy
25
8
Medium
22
9
Expert
28
10
Easy
29
11
Medium
19
12
Medium
19
13
Easy
17
14
Easy
21
15
Easy
24
16
Easy
21
17
Medium
31
18
Easy
22
19
Hard
39
20
Easy
15
21
Medium
26
22
Easy
20
23
Expert
65
24
Easy
19
25
Easy
11
26
Hard
34
27
Expert
32
28
Easy
23
29
Easy
11
30
Easy
18
31
Easy
20
   

2012

Average score: 26.00
December 2012
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
20
2
Expert
49
3
Easy
20
4
Expert
30
5
Expert
37
6
Medium
28
7
Easy
12
8
Expert
65
9
Easy
15
10
Easy
26
11
Hard
46
12
Expert
37
13
Easy
12
14
Expert
54
15
Hard
38
16
Medium
36
17
Easy
22
18
Easy
14
19
Easy
27
20
Easy
13
21
Easy
13
22
Easy
28
23
Easy
19
24
Easy
19
25
Medium
25
26
Medium
25
27
Easy
12
28
Easy
17
29
Easy
19
30
Easy
17
31
Easy
11
         
Average score: 24.40
November 2012
Sun Mon Tue Wed Thu Fri Sat
        1
Expert
39
2
Expert
60
3
Easy
13
4
Easy
18
5
Easy
22
6
Medium
31
7
Easy
16
8
Easy
17
9
Easy
23
10
Easy
27
11
Hard
40
12
Easy
12
13
Expert
40
14
Easy
9
15
Easy
27
16
Medium
26
17
Medium
26
18
Easy
16
19
Easy
18
20
Medium
18
21
Easy
26
22
Easy
14
23
Easy
15
24
Expert
44
25
Easy
24
26
Easy
32
27
Easy
21
28
Easy
13
29
Easy
20
30
Easy
25
 
Average score: 25.06
October 2012
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
18
2
Expert
39
3
Easy
25
4
Easy
32
5
Easy
22
6
Expert
58
7
Easy
23
8
Easy
14
9
Easy
22
10
Medium
21
11
Easy
16
12
Medium
19
13
Easy
19
14
Medium
49
15
Easy
27
16
Easy
16
17
Easy
16
18
Expert
58
19
Easy
14
20
Easy
18
21
Easy
15
22
Expert
51
23
Expert
51
24
Easy
16
25
Easy
14
26
Easy
19
27
Easy
22
28
Easy
17
29
Easy
14
30
Easy
20
31
Easy
12
     
Average score: 25.87
September 2012
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
21
2
Easy
14
3
Expert
71
4
Easy
12
5
Easy
18
6
Easy
21
7
Easy
16
8
Expert
42
9
Easy
14
10
Easy
21
11
Easy
15
12
Easy
26
13
Expert
47
14
Medium
27
15
Easy
15
16
Easy
20
17
Easy
16
18
Easy
21
19
Easy
16
20
Expert
38
21
Easy
23
22
Easy
25
23
Easy
18
24
Easy
18
25
Easy
17
26
Easy
17
27
Easy
8
28
Expert
45
29
Expert
76
30
Hard
38
           
Average score: 24.94
August 2012
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
24
2
Easy
22
3
Easy
14
4
Medium
14
5
Easy
19
6
Easy
10
7
Easy
21
8
Easy
15
9
Easy
17
10
Easy
12
11
Medium
30
12
Expert
46
13
Easy
12
14
Easy
19
15
Easy
12
16
Expert
43
17
Easy
16
18
Easy
17
19
Easy
23
20
Easy
30
21
Easy
30
22
Easy
17
23
Expert
44
24
Expert
42
25
Expert
56
26
Hard
25
27
Easy
21
28
Easy
17
29
Easy
17
30
Expert
56
31
Hard
32
 
Average score: 28.39
July 2012
Sun Mon Tue Wed Thu Fri Sat
1
Easy
13
2
Expert
52
3
Easy
11
4
Hard
29
5
Expert
52
6
Easy
21
7
Expert
39
8
Easy
11
9
Expert
41
10
Easy
12
11
Easy
11
12
Expert
96
13
Easy
27
14
Easy
19
15
Easy
11
16
Medium
21
17
Easy
20
18
Easy
17
19
Easy
19
20
Expert
70
21
Easy
14
22
Easy
17
23
Expert
61
24
Easy
13
25
Easy
14
26
Easy
20
27
Expert
73
28
Easy
11
29
Medium
31
30
Easy
18
31
Easy
16
       
Average score: 26.83
June 2012
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
11
2
Expert
28
3
Easy
22
4
Easy
25
5
Easy
14
6
Easy
25
7
Easy
19
8
Easy
22
9
Easy
21
10
Easy
15
11
Easy
21
12
Expert
52
13
Expert
70
14
Easy
16
15
Expert
45
16
Easy
28
17
Expert
58
18
Easy
18
19
Easy
13
20
Easy
9
21
Easy
22
22
Easy
12
23
Easy
17
24
Easy
22
25
Medium
24
26
Expert
80
27
Easy
23
28
Easy
22
29
Easy
26
30
Medium
25
Average score: 27.29
May 2012
Sun Mon Tue Wed Thu Fri Sat
    1
Medium
28
2
Medium
38
3
Medium
34
4
Expert
59
5
Easy
16
6
Hard
25
7
Expert
34
8
Medium
19
9
Expert
51
10
Easy
23
11
Hard
32
12
Medium
25
13
Easy
9
14
Expert
54
15
Easy
19
16
Easy
19
17
Easy
15
18
Expert
54
19
Medium
23
20
Easy
19
21
Medium
38
22
Easy
27
23
Easy
19
24
Easy
10
25
Easy
12
26
Easy
37
27
Expert
43
28
Easy
18
29
Easy
16
30
Easy
16
31
Easy
14
   
Average score: 27.07
April 2012
Sun Mon Tue Wed Thu Fri Sat
1
Medium
23
2
Easy
24
3
Medium
21
4
Medium
27
5
Hard
27
6
Easy
13
7
Easy
31
8
Medium
30
9
Medium
32
10
Easy
21
11
Hard
35
12
Medium
28
13
Medium
29
14
Easy
13
15
Hard
26
16
Hard
45
17
Easy
25
18
Easy
25
19
Easy
20
20
Medium
30
21
Medium
27
22
Hard
30
23
Hard
27
24
Easy
12
25
Expert
67
26
Medium
33
27
Medium
39
28
Easy
14
29
Medium
16
30
Hard
22
         
Average score: 26.00
March 2012
Sun Mon Tue Wed Thu Fri Sat
        1
Hard
39
2
Easy
20
3
Easy
19
4
Hard
29
5
Easy
13
6
Easy
22
7
Medium
25
8
Easy
18
9
Easy
23
10
Medium
23
11
Medium
26
12
Easy
21
13
Hard
29
14
Medium
41
15
Easy
13
16
Medium
18
17
Expert
42
18
Easy
16
19
Medium
22
20
Medium
23
21
Easy
23
22
Expert
69
23
Medium
27
24
Medium
26
25
Medium
32
26
Easy
25
27
Easy
21
28
Medium
23
29
Medium
28
30
Expert
31
31
Medium
19
Average score: 23.41
February 2012
Sun Mon Tue Wed Thu Fri Sat
      1
Medium
20
2
Easy
22
3
Medium
27
4
Easy
19
5
Easy
18
6
Easy
14
7
Easy
20
8
Medium
17
9
Hard
41
10
Medium
35
11
Easy
21
12
Easy
19
13
Hard
37
14
Medium
17
15
Hard
30
16
Easy
16
17
Easy
13
18
Medium
30
19
Medium
27
20
Medium
25
21
Easy
21
22
Hard
23
23
Easy
15
24
Easy
19
25
Easy
12
26
Expert
41
27
Hard
38
28
Medium
19
29
Medium
23
     
Average score: 27.61
January 2012
Sun Mon Tue Wed Thu Fri Sat
1
Easy
18
2
Medium
25
3
Hard
33
4
Medium
28
5
Hard
33
6
Hard
29
7
Medium
31
8
Medium
24
9
Medium
16
10
Easy
16
11
Medium
26
12
Easy
15
13
Expert
65
14
Medium
26
15
Medium
27
16
Medium
19
17
Hard
25
18
Medium
25
19
Easy
14
20
Easy
28
21
Hard
36
22
Hard
28
23
Expert
44
24
Easy
32
25
Hard
24
26
Easy
11
27
Expert
38
28
Easy
23
29
Expert
57
30
Easy
15
31
Medium
25
       

2011

Average score: 29.87
December 2011
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
17
2
Hard
39
3
Expert
92
4
Hard
24
5
Medium
32
6
Expert
40
7
Expert
76
8
Easy
12
9
Medium
29
10
Hard
23
11
Easy
30
12
Easy
28
13
Medium
36
14
Easy
20
15
Easy
8
16
Easy
24
17
Easy
13
18
Medium
25
19
Easy
15
20
Hard
30
21
Easy
16
22
Expert
59
23
Easy
24
24
Hard
29
25
Medium
29
26
Easy
20
27
Medium
23
28
Hard
34
29
Hard
30
30
Easy
29
31
Medium
20
Average score: 27.50
November 2011
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
20
2
Medium
25
3
Easy
22
4
Expert
57
5
Medium
29
6
Easy
10
7
Medium
28
8
Medium
28
9
Medium
27
10
Expert
68
11
Medium
31
12
Medium
32
13
Hard
36
14
Hard
27
15
Hard
33
16
Easy
25
17
Medium
29
18
Easy
13
19
Easy
21
20
Hard
27
21
Easy
19
22
Easy
17
23
Medium
19
24
Medium
28
25
Expert
44
26
Easy
24
27
Easy
11
28
Hard
27
29
Easy
18
30
Medium
30
     
Average score: 28.00
October 2011
Sun Mon Tue Wed Thu Fri Sat
            1
Hard
36
2
Easy
15
3
Easy
21
4
Easy
15
5
Easy
15
6
Easy
26
7
Expert
36
8
Medium
22
9
Medium
31
10
Medium
24
11
Hard
34
12
Hard
31
13
Easy
14
14
Hard
35
15
Expert
71
16
Medium
27
17
Easy
20
18
Easy
15
19
Hard
30
20
Hard
33
21
Hard
27
22
Easy
26
23
Easy
16
24
Easy
14
25
Medium
33
26
Easy
13
27
Medium
34
28
Medium
25
29
Hard
45
30
Hard
37
31
Expert
47
         
Average score: 27.23
September 2011
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
20
2
Easy
13
3
Easy
24
4
Medium
34
5
Easy
12
6
Medium
23
7
Easy
23
8
Hard
30
9
Medium
31
10
Easy
22
11
Hard
37
12
Medium
31
13
Hard
32
14
Hard
37
15
Medium
27
16
Medium
26
17
Easy
23
18
Expert
37
19
Easy
15
20
Medium
32
21
Expert
75
22
Easy
14
23
Hard
29
24
Easy
22
25
Hard
42
26
Easy
12
27
Easy
20
28
Medium
24
29
Easy
12
30
Hard
38
 
Average score: 24.06
August 2011
Sun Mon Tue Wed Thu Fri Sat
  1
Hard
29
2
Easy
14
3
Medium
32
4
Hard
26
5
Hard
39
6
Medium
21
7
Medium
22
8
Easy
17
9
Hard
32
10
Medium
29
11
Easy
17
12
Easy
19
13
Easy
12
14
Easy
10
15
Medium
31
16
Easy
21
17
Medium
32
18
Easy
22
19
Medium
16
20
Easy
12
21
Easy
19
22
Medium
20
23
Medium
20
24
Easy
15
25
Medium
23
26
Hard
31
27
Medium
23
28
Easy
23
29
Expert
55
30
Expert
47
31
Easy
17
     
Average score: 28.39
July 2011
Sun Mon Tue Wed Thu Fri Sat
          1
Hard
24
2
Easy
12
3
Hard
33
4
Expert
75
5
Medium
30
6
Hard
28
7
Hard
22
8
Easy
13
9
Easy
23
10
Medium
19
11
Medium
28
12
Easy
16
13
Easy
20
14
Easy
22
15
Hard
30
16
Medium
30
17
Easy
27
18
Easy
27
19
Easy
19
20
Easy
18
21
Hard
32
22
Easy
18
23
Hard
35
24
Expert
88
25
Easy
19
26
Medium
41
27
Easy
15
28
Easy
18
29
Medium
31
30
Medium
30
31
Medium
37
           
Average score: 27.20
June 2011
Sun Mon Tue Wed Thu Fri Sat
      1
Expert
40
2
Expert
33
3
Medium
26
4
Medium
27
5
Easy
12
6
Easy
26
7
Medium
40
8
Easy
13
9
Medium
20
10
Expert
41
11
Easy
34
12
Easy
28
13
Easy
20
14
Easy
17
15
Easy
17
16
Easy
11
17
Easy
13
18
Expert
50
19
Easy
19
20
Medium
30
21
Hard
44
22
Hard
23
23
Medium
34
24
Medium
22
25
Easy
22
26
Expert
45
27
Medium
22
28
Easy
15
29
Medium
19
30
Expert
53
   
Average score: 29.84
May 2011
Sun Mon Tue Wed Thu Fri Sat
1
Medium
20
2
Medium
24
3
Hard
30
4
Medium
30
5
Easy
35
6
Medium
24
7
Hard
27
8
Medium
27
9
Expert
114
10
Easy
18
11
Medium
33
12
Easy
23
13
Easy
20
14
Medium
32
15
Medium
25
16
Expert
50
17
Medium
27
18
Hard
28
19
Medium
22
20
Hard
26
21
Hard
34
22
Expert
49
23
Hard
33
24
Easy
14
25
Easy
19
26
Medium
32
27
Easy
21
28
Easy
11
29
Medium
31
30
Easy
11
31
Expert
35
       
Average score: 24.47
April 2011
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
18
2
Medium
20
3
Easy
11
4
Easy
28
5
Hard
34
6
Expert
41
7
Hard
38
8
Easy
27
9
Hard
36
10
Medium
27
11
Medium
22
12
Medium
30
13
Easy
13
14
Easy
31
15
Medium
30
16
Medium
23
17
Hard
33
18
Medium
22
19
Expert
43
20
Medium
23
21
Easy
25
22
Easy
13
23
Hard
28
24
Medium
32
25
Easy
14
26
Easy
9
27
Easy
13
28
Easy
14
29
Easy
18
30
Medium
18
Average score: 27.61
March 2011
Sun Mon Tue Wed Thu Fri Sat
    1
Hard
41
2
Medium
25
3
Easy
23
4
Hard
30
5
Medium
24
6
Easy
22
7
Easy
16
8
Expert
61
9
Medium
29
10
Hard
39
11
Easy
11
12
Easy
14
13
Expert
72
14
Medium
39
15
Hard
24
16
Medium
28
17
Hard
29
18
Medium
28
19
Medium
29
20
Medium
24
21
Medium
30
22
Easy
25
23
Easy
11
24
Medium
19
25
Hard
28
26
Easy
16
27
Medium
17
28
Hard
29
29
Hard
21
30
Expert
36
31
Easy
16
   
Average score: 23.79
February 2011
Sun Mon Tue Wed Thu Fri Sat
    1
Hard
38
2
Easy
16
3
Easy
16
4
Easy
25
5
Easy
14
6
Easy
19
7
Hard
24
8
Hard
36
9
Medium
31
10
Hard
26
11
Medium
38
12
Easy
18
13
Easy
25
14
Hard
35
15
Medium
22
16
Easy
16
17
Easy
14
18
Medium
30
19
Medium
13
20
Easy
20
21
Hard
35
22
Medium
28
23
Medium
21
24
Medium
28
25
Medium
24
26
Easy
17
27
Medium
17
28
Easy
20
         
Average score: 25.26
January 2011
Sun Mon Tue Wed Thu Fri Sat
            1
Hard
37
2
Medium
37
3
Medium
22
4
Medium
16
5
Hard
29
6
Medium
33
7
Easy
27
8
Hard
24
9
Easy
12
10
Hard
28
11
Easy
19
12
Easy
20
13
Expert
72
14
Medium
23
15
Medium
20
16
Easy
11
17
Hard
40
18
Easy
19
19
Expert
60
20
Medium
20
21
Hard
30
22
Easy
25
23
Easy
14
24
Easy
8
25
Easy
18
26
Easy
17
27
Easy
16
28
Easy
18
29
Easy
28
30
Easy
16
31
Easy
24
         

2010

Average score: 27.68
December 2010
Sun Mon Tue Wed Thu Fri Sat
      1
Medium
31
2
Medium
31
3
Easy
12
4
Medium
32
5
Easy
9
6
Easy
15
7
Easy
15
8
Hard
28
9
Medium
39
10
Medium
28
11
Hard
43
12
Hard
43
13
Hard
41
14
Easy
12
15
Easy
18
16
Hard
38
17
Medium
27
18
Easy
22
19
Easy
16
20
Easy
13
21
Medium
40
22
Easy
19
23
Hard
27
24
Hard
32
25
Medium
30
26
Expert
61
27
Easy
21
28
Hard
29
29
Hard
32
30
Medium
23
31
Hard
31
 
Average score: 24.70
November 2010
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
14
2
Medium
27
3
Medium
25
4
Medium
20
5
Easy
23
6
Easy
14
7
Medium
33
8
Easy
14
9
Easy
23
10
Medium
20
11
Easy
13
12
Easy
17
13
Medium
25
14
Hard
28
15
Hard
41
16
Hard
24
17
Easy
22
18
Hard
29
19
Hard
37
20
Medium
23
21
Easy
29
22
Easy
23
23
Hard
29
24
Easy
12
25
Hard
33
26
Medium
35
27
Medium
25
28
Medium
25
29
Hard
31
30
Easy
27
       
Average score: 27.16
October 2010
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
16
2
Easy
11
3
Easy
13
4
Medium
24
5
Easy
14
6
Expert
34
7
Medium
24
8
Easy
16
9
Hard
34
10
Easy
16
11
Easy
12
12
Easy
19
13
Easy
17
14
Expert
148
15
Hard
27
16
Medium
21
17
Medium
27
18
Hard
27
19
Expert
51
20
Hard
31
21
Easy
15
22
Hard
42
23
Medium
20
24
Expert
34
25
Easy
17
26
Easy
13
27
Easy
20
28
Easy
14
29
Medium
30
30
Hard
28
31
Hard
27
           
Average score: 27.80
September 2010
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
28
2
Easy
24
3
Medium
37
4
Medium
19
5
Expert
62
6
Easy
22
7
Hard
37
8
Medium
19
9
Medium
23
10
Expert
69
11
Easy
15
12
Medium
20
13
Easy
20
14
Medium
28
15
Expert
48
16
Medium
30
17
Easy
21
18
Easy
26
19
Easy
20
20
Expert
37
21
Easy
30
22
Hard
23
23
Easy
19
24
Easy
20
25
Hard
23
26
Medium
19
27
Medium
20
28
Hard
42
29
Easy
19
30
Easy
14
   
Average score: 31.58
August 2010
Sun Mon Tue Wed Thu Fri Sat
1
Easy
18
2
Easy
16
3
Expert
124
4
Easy
25
5
Hard
32
6
Expert
43
7
Medium
24
8
Easy
15
9
Hard
31
10
Hard
32
11
Medium
26
12
Medium
31
13
Medium
32
14
Medium
18
15
Medium
17
16
Easy
16
17
Medium
25
18
Easy
23
19
Easy
22
20
Expert
37
21
Hard
49
22
Medium
18
23
Medium
29
24
Expert
42
25
Easy
19
26
Expert
88
27
Easy
23
28
Medium
20
29
Medium
26
30
Medium
23
31
Medium
35
       
Average score: 26.19
July 2010
Sun Mon Tue Wed Thu Fri Sat
        1
Hard
27
2
Hard
36
3
Hard
36
4
Easy
16
5
Medium
26
6
Easy
20
7
Medium
24
8
Hard
24
9
Easy
22
10
Medium
23
11
Medium
19
12
Expert
31
13
Easy
21
14
Hard
31
15
Easy
18
16
Easy
17
17
Medium
30
18
Hard
37
19
Easy
21
20
Medium
31
21
Hard
42
22
Medium
33
23
Medium
25
24
Medium
19
25
Easy
13
26
Expert
62
27
Easy
20
28
Medium
30
29
Easy
20
30
Easy
15
31
Medium
23
Average score: 24.30
June 2010
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
21
2
Easy
14
3
Easy
23
4
Easy
14
5
Easy
11
6
Medium
29
7
Expert
50
8
Hard
32
9
Easy
12
10
Hard
35
11
Hard
27
12
Medium
19
13
Hard
41
14
Medium
20
15
Medium
29
16
Expert
70
17
Easy
24
18
Medium
24
19
Easy
11
20
Medium
28
21
Easy
21
22
Easy
18
23
Easy
18
24
Medium
22
25
Easy
22
26
Easy
12
27
Easy
14
28
Easy
21
29
Easy
13
30
Hard
34
     
Average score: 25.29
May 2010
Sun Mon Tue Wed Thu Fri Sat
            1
Hard
32
2
Medium
28
3
Easy
17
4
Medium
23
5
Medium
22
6
Easy
16
7
Medium
20
8
Medium
35
9
Medium
34
10
Hard
33
11
Medium
26
12
Medium
37
13
Medium
26
14
Easy
13
15
Easy
14
16
Medium
33
17
Hard
33
18
Easy
23
19
Medium
22
20
Medium
27
21
Medium
30
22
Easy
19
23
Hard
33
24
Expert
39
25
Medium
39
26
Easy
17
27
Easy
23
28
Easy
13
29
Easy
11
30
Easy
27
31
Medium
19
         
Average score: 28.43
April 2010
Sun Mon Tue Wed Thu Fri Sat
        1
Medium
26
2
Easy
14
3
Easy
13
4
Medium
21
5
Medium
29
6
Hard
41
7
Medium
25
8
Easy
12
9
Easy
33
10
Hard
26
11
Medium
26
12
Expert
82
13
Easy
19
14
Hard
30
15
Medium
23
16
Hard
28
17
Medium
27
18
Hard
27
19
Hard
34
20
Hard
31
21
Expert
38
22
Hard
27
23
Expert
54
24
Easy
31
25
Easy
14
26
Easy
25
27
Medium
30
28
Hard
29
29
Easy
19
30
Easy
19
 
Average score: 25.58
March 2010
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
18
2
Hard
33
3
Expert
38
4
Medium
31
5
Easy
14
6
Easy
21
7
Medium
20
8
Hard
24
9
Easy
27
10
Medium
16
11
Medium
18
12
Hard
39
13
Medium
20
14
Medium
22
15
Medium
29
16
Medium
17
17
Easy
12
18
Expert
32
19
Easy
16
20
Expert
69
21
Medium
19
22
Hard
36
23
Easy
16
24
Hard
32
25
Medium
23
26
Easy
15
27
Easy
10
28
Expert
51
29
Hard
33
30
Easy
19
31
Easy
23
     
Average score: 24.18
February 2010
Sun Mon Tue Wed Thu Fri Sat
  1
Hard
26
2
Medium
29
3
Hard
33
4
Hard
39
5
Easy
24
6
Easy
17
7
Medium
35
8
Medium
18
9
Medium
26
10
Medium
24
11
Hard
33
12
Hard
31
13
Easy
20
14
Easy
14
15
Easy
21
16
Easy
28
17
Easy
17
18
Medium
30
19
Easy
13
20
Expert
35
21
Hard
25
22
Medium
25
23
Medium
21
24
Medium
22
25
Easy
10
26
Easy
14
27
Easy
25
28
Easy
22
           
Average score: 23.74
January 2010
Sun Mon Tue Wed Thu Fri Sat
          1
Hard
32
2
Hard
30
3
Easy
14
4
Hard
24
5
Hard
34
6
Hard
39
7
Medium
19
8
Easy
19
9
Medium
28
10
Easy
26
11
Medium
28
12
Hard
29
13
Easy
14
14
Medium
27
15
Medium
23
16
Medium
30
17
Easy
16
18
Easy
21
19
Easy
17
20
Easy
17
21
Easy
12
22
Medium
34
23
Medium
27
24
Easy
16
25
Easy
18
26
Medium
27
27
Easy
18
28
Medium
28
29
Hard
36
30
Medium
22
31
Easy
11
           

2009

Average score: 26.10
December 2009
Sun Mon Tue Wed Thu Fri Sat
    1
Medium
39
2
Easy
14
3
Medium
27
4
Medium
27
5
Easy
23
6
Easy
14
7
Easy
21
8
Medium
34
9
Hard
32
10
Hard
31
11
Easy
25
12
Hard
39
13
Medium
20
14
Easy
16
15
Medium
23
16
Easy
23
17
Medium
22
18
Medium
22
19
Medium
34
20
Hard
32
21
Easy
27
22
Medium
27
23
Hard
42
24
Medium
29
25
Easy
26
26
Medium
25
27
Easy
20
28
Medium
20
29
Easy
17
30
Easy
26
31
Hard
32
   
Average score: 29.77
November 2009
Sun Mon Tue Wed Thu Fri Sat
1
Easy
17
2
Easy
23
3
Expert
60
4
Medium
17
5
Easy
13
6
Easy
32
7
Hard
46
8
Expert
82
9
Easy
14
10
Hard
32
11
Medium
27
12
Expert
44
13
Medium
30
14
Medium
19
15
Easy
10
16
Easy
13
17
Easy
20
18
Medium
30
19
Hard
43
20
Medium
24
21
Hard
39
22
Easy
20
23
Expert
58
24
Expert
48
25
Easy
17
26
Easy
14
27
Hard
31
28
Easy
20
29
Medium
26
30
Medium
24
         
Average score: 25.03
October 2009
Sun Mon Tue Wed Thu Fri Sat
        1
Hard
40
2
Expert
48
3
Easy
16
4
Medium
31
5
Easy
13
6
Easy
16
7
Easy
21
8
Easy
14
9
Easy
18
10
Medium
23
11
Medium
28
12
Hard
39
13
Easy
27
14
Medium
19
15
Easy
24
16
Easy
18
17
Easy
18
18
Hard
41
19
Hard
35
20
Hard
39
21
Easy
20
22
Medium
20
23
Medium
24
24
Easy
21
25
Medium
20
26
Medium
22
27
Medium
26
28
Easy
16
29
Medium
26
30
Medium
29
31
Medium
24
Average score: 26.50
September 2009
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
12
2
Hard
29
3
Easy
22
4
Easy
18
5
Medium
25
6
Medium
22
7
Hard
29
8
Medium
35
9
Medium
21
10
Medium
28
11
Hard
37
12
Medium
31
13
Easy
22
14
Easy
12
15
Easy
18
16
Medium
25
17
Medium
25
18
Expert
48
19
Expert
47
20
Medium
24
21
Medium
37
22
Medium
20
23
Hard
27
24
Medium
33
25
Medium
19
26
Expert
47
27
Easy
16
28
Medium
19
29
Easy
16
30
Hard
31
     
Average score: 26.03
August 2009
Sun Mon Tue Wed Thu Fri Sat
            1
Hard
32
2
Easy
24
3
Hard
25
4
Easy
15
5
Medium
26
6
Medium
24
7
Hard
29
8
Hard
32
9
Easy
14
10
Easy
25
11
Medium
21
12
Hard
34
13
Easy
20
14
Easy
20
15
Easy
22
16
Medium
31
17
Expert
64
18
Easy
20
19
Expert
51
20
Easy
14
21
Easy
13
22
Hard
24
23
Medium
31
24
Easy
12
25
Medium
18
26
Medium
28
27
Medium
28
28
Medium
30
29
Hard
34
30
Medium
21
31
Medium
25
         
Average score: 28.19
July 2009
Sun Mon Tue Wed Thu Fri Sat
      1
Hard
40
2
Easy
10
3
Medium
35
4
Medium
26
5
Expert
41
6
Easy
18
7
Medium
23
8
Medium
32
9
Hard
25
10
Easy
16
11
Medium
24
12
Hard
38
13
Medium
35
14
Hard
19
15
Medium
32
16
Hard
28
17
Medium
18
18
Medium
22
19
Medium
32
20
Hard
35
21
Hard
36
22
Easy
25
23
Medium
21
24
Expert
34
25
Medium
34
26
Medium
27
27
Easy
13
28
Easy
21
29
Easy
20
30
Hard
31
31
Expert
63
 
Average score: 26.30
June 2009
Sun Mon Tue Wed Thu Fri Sat
  1
Medium
30
2
Medium
34
3
Easy
24
4
Expert
57
5
Easy
15
6
Hard
27
7
Easy
17
8
Expert
54
9
Medium
23
10
Easy
17
11
Medium
29
12
Easy
19
13
Medium
29
14
Expert
35
15
Easy
17
16
Easy
13
17
Easy
17
18
Easy
19
19
Easy
30
20
Medium
20
21
Easy
15
22
Medium
30
23
Medium
29
24
Hard
26
25
Medium
27
26
Hard
31
27
Medium
29
28
Hard
34
29
Easy
18
30
Medium
24
       
Average score: 28.06
May 2009
Sun Mon Tue Wed Thu Fri Sat
          1
Medium
31
2
Medium
31
3
Easy
22
4
Hard
34
5
Medium
15
6
Hard
32
7
Easy
23
8
Easy
12
9
Hard
30
10
Hard
29
11
Medium
31
12
Medium
24
13
Hard
29
14
Medium
37
15
Easy
29
16
Medium
25
17
Easy
20
18
Easy
29
19
Medium
20
20
Medium
36
21
Easy
22
22
Medium
22
23
Expert
51
24
Medium
34
25
Medium
21
26
Hard
32
27
Medium
25
28
Medium
33
29
Expert
45
30
Medium
22
31
Easy
24
           
Average score: 27.33
April 2009
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
20
2
Medium
19
3
Medium
30
4
Hard
29
5
Medium
26
6
Medium
23
7
Hard
41
8
Easy
22
9
Easy
18
10
Expert
89
11
Medium
19
12
Easy
22
13
Medium
29
14
Easy
11
15
Easy
20
16
Expert
33
17
Easy
23
18
Easy
23
19
Medium
20
20
Hard
40
21
Hard
33
22
Medium
22
23
Medium
22
24
Easy
25
25
Medium
21
26
Easy
23
27
Hard
32
28
Hard
43
29
Easy
32
30
Easy
10
   
Average score: 24.94
March 2009
Sun Mon Tue Wed Thu Fri Sat
1
Easy
17
2
Medium
28
3
Medium
16
4
Medium
24
5
Expert
42
6
Medium
16
7
Easy
20
8
Easy
18
9
Medium
24
10
Medium
28
11
Medium
25
12
Hard
31
13
Medium
19
14
Medium
24
15
Medium
30
16
Easy
23
17
Easy
27
18
Easy
24
19
Hard
29
20
Easy
13
21
Hard
30
22
Hard
30
23
Easy
17
24
Medium
30
25
Expert
37
26
Hard
29
27
Medium
27
28
Hard
33
29
Medium
22
30
Easy
17
31
Easy
23
       
Average score: 27.14
February 2009
Sun Mon Tue Wed Thu Fri Sat
1
Easy
17
2
Hard
29
3
Hard
34
4
Hard
38
5
Easy
14
6
Medium
32
7
Easy
28
8
Easy
21
9
Medium
31
10
Hard
32
11
Medium
29
12
Expert
40
13
Hard
39
14
Medium
30
15
Easy
15
16
Medium
18
17
Easy
20
18
Easy
12
19
Easy
19
20
Easy
25
21
Easy
19
22
Hard
31
23
Easy
21
24
Easy
20
25
Easy
14
26
Expert
89
27
Easy
15
28
Medium
28
Average score: 24.77
January 2009
Sun Mon Tue Wed Thu Fri Sat
        1
Hard
36
2
Medium
30
3
Medium
44
4
Easy
18
5
Easy
14
6
Medium
33
7
Easy
25
8
Hard
31
9
Easy
13
10
Hard
24
11
Easy
17
12
Easy
12
13
Easy
23
14
Easy
19
15
Medium
26
16
Hard
36
17
Medium
21
18
Easy
15
19
Easy
14
20
Medium
23
21
Hard
29
22
Hard
38
23
Expert
35
24
Medium
35
25
Easy
15
26
Medium
29
27
Easy
23
28
Easy
11
29
Medium
18
30
Hard
37
31
Medium
24

2008

Average score: 22.39
December 2008
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
14
2
Medium
24
3
Easy
19
4
Easy
9
5
Hard
32
6
Easy
20
7
Hard
29
8
Easy
13
9
Easy
12
10
Medium
23
11
Easy
14
12
Easy
27
13
Medium
23
14
Medium
31
15
Easy
21
16
Easy
19
17
Medium
35
18
Medium
24
19
Easy
14
20
Easy
17
21
Easy
20
22
Medium
28
23
Medium
30
24
Hard
30
25
Easy
14
26
Easy
18
27
Easy
19
28
Easy
26
29
Easy
22
30
Hard
40
31
Easy
27
     
Average score: 27.50
November 2008
Sun Mon Tue Wed Thu Fri Sat
            1
Medium
35
2
Expert
39
3
Hard
23
4
Easy
10
5
Easy
12
6
Easy
24
7
Medium
29
8
Medium
32
9
Medium
27
10
Hard
37
11
Expert
52
12
Medium
20
13
Easy
19
14
Medium
21
15
Hard
44
16
Easy
14
17
Medium
24
18
Hard
33
19
Medium
27
20
Easy
29
21
Medium
19
22
Hard
33
23
Medium
29
24
Medium
33
25
Easy
22
26
Medium
29
27
Easy
27
28
Expert
43
29
Easy
13
30
Medium
26
           
Average score: 28.45
October 2008
Sun Mon Tue Wed Thu Fri Sat
      1
Medium
30
2
Medium
22
3
Expert
61
4
Hard
29
5
Easy
30
6
Medium
19
7
Easy
23
8
Expert
61
9
Hard
34
10
Easy
21
11
Hard
30
12
Easy
20
13
Medium
26
14
Easy
19
15
Easy
27
16
Expert
61
17
Easy
30
18
Medium
23
19
Expert
34
20
Easy
17
21
Medium
23
22
Medium
31
23
Easy
26
24
Medium
20
25
Easy
18
26
Medium
35
27
Hard
27
28
Medium
17
29
Medium
35
30
Easy
18
31
Easy
15
 
Average score: 24.83
September 2008
Sun Mon Tue Wed Thu Fri Sat
  1
Hard
32
2
Easy
23
3
Medium
28
4
Medium
36
5
Medium
20
6
Easy
16
7
Hard
29
8
Easy
19
9
Medium
19
10
Easy
20
11
Easy
14
12
Easy
21
13
Easy
16
14
Medium
24
15
Easy
14
16
Medium
30
17
Easy
22
18
Easy
27
19
Easy
23
20
Medium
25
21
Easy
23
22
Hard
31
23
Expert
33
24
Hard
29
25
Hard
29
26
Easy
18
27
Expert
47
28
Easy
28
29
Easy
23
30
Easy
26
       
Average score: 23.58
August 2008
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
14
2
Easy
20
3
Expert
38
4
Medium
20
5
Hard
25
6
Easy
13
7
Medium
23
8
Medium
35
9
Easy
22
10
Hard
34
11
Easy
16
12
Hard
33
13
Medium
27
14
Easy
15
15
Medium
23
16
Hard
27
17
Easy
17
18
Medium
20
19
Medium
17
20
Medium
23
21
Hard
37
22
Easy
18
23
Easy
24
24
Medium
23
25
Medium
32
26
Medium
19
27
Medium
30
28
Hard
25
29
Hard
34
30
Easy
19
31
Easy
8
           
Average score: 30.10
July 2008
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
25
2
Medium
16
3
Hard
37
4
Hard
43
5
Hard
38
6
Medium
29
7
Hard
35
8
Easy
19
9
Expert
64
10
Hard
37
11
Easy
28
12
Expert
47
13
Medium
22
14
Easy
22
15
Medium
21
16
Medium
27
17
Hard
35
18
Hard
39
19
Easy
13
20
Hard
30
21
Medium
28
22
Expert
53
23
Medium
23
24
Medium
22
25
Medium
28
26
Easy
20
27
Hard
39
28
Medium
33
29
Easy
14
30
Easy
22
31
Hard
24
   
Average score: 24.23
June 2008
Sun Mon Tue Wed Thu Fri Sat
1
Hard
40
2
Easy
14
3
Medium
31
4
Easy
18
5
Medium
27
6
Medium
21
7
Easy
16
8
Medium
33
9
Easy
20
10
Easy
12
11
Medium
36
12
Hard
35
13
Medium
35
14
Easy
22
15
Medium
33
16
Easy
12
17
Medium
31
18
Easy
25
19
Easy
16
20
Medium
27
21
Easy
15
22
Easy
21
23
Easy
22
24
Easy
12
25
Easy
15
26
Hard
29
27
Hard
30
28
Easy
19
29
Medium
28
30
Medium
32
         
Average score: 25.32
May 2008
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
11
2
Medium
30
3
Medium
27
4
Easy
25
5
Hard
43
6
Easy
29
7
Easy
14
8
Medium
34
9
Medium
25
10
Medium
23
11
Easy
13
12
Expert
58
13
Medium
19
14
Medium
21
15
Easy
21
16
Medium
21
17
Easy
29
18
Easy
18
19
Medium
20
20
Medium
35
21
Medium
27
22
Expert
73
23
Medium
14
24
Hard
32
25
Easy
21
26
Easy
15
27
Easy
20
28
Medium
22
29
Easy
15
30
Easy
16
31
Easy
14
Average score: 25.53
April 2008
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
12
2
Medium
34
3
Expert
43
4
Medium
32
5
Medium
25
6
Easy
23
7
Medium
24
8
Expert
33
9
Medium
28
10
Medium
17
11
Hard
36
12
Medium
21
13
Easy
13
14
Easy
25
15
Easy
24
16
Easy
16
17
Easy
16
18
Medium
24
19
Expert
42
20
Easy
10
21
Hard
35
22
Medium
16
23
Medium
31
24
Easy
15
25
Hard
41
26
Medium
26
27
Easy
16
28
Medium
42
29
Medium
18
30
Easy
28
     
Average score: 28.13
March 2008
Sun Mon Tue Wed Thu Fri Sat
            1
Expert
51
2
Medium
34
3
Medium
23
4
Hard
40
5
Easy
18
6
Hard
29
7
Hard
32
8
Easy
13
9
Hard
35
10
Easy
24
11
Medium
31
12
Hard
31
13
Hard
35
14
Medium
24
15
Expert
39
16
Easy
16
17
Hard
34
18
Easy
24
19
Easy
24
20
Medium
22
21
Easy
12
22
Hard
27
23
Medium
20
24
Hard
42
25
Medium
19
26
Expert
52
27
Medium
28
28
Hard
41
29
Easy
18
30
Easy
24
31
Easy
10
         
Average score: 27.14
February 2008
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
24
2
Hard
44
3
Easy
15
4
Easy
14
5
Medium
25
6
Medium
26
7
Medium
36
8
Easy
17
9
Medium
37
10
Easy
23
11
Medium
21
12
Medium
20
13
Hard
37
14
Easy
11
15
Medium
26
16
Easy
25
17
Easy
16
18
Medium
27
19
Easy
25
20
Medium
29
21
Expert
48
22
Easy
28
23
Easy
15
24
Easy
13
25
Easy
17
26
Expert
57
27
Hard
37
28
Expert
39
29
Hard
35
 
Average score: 25.65
January 2008
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
21
2
Medium
20
3
Medium
25
4
Hard
38
5
Expert
50
6
Easy
19
7
Hard
28
8
Hard
29
9
Medium
20
10
Expert
56
11
Expert
40
12
Easy
15
13
Medium
19
14
Easy
22
15
Medium
32
16
Easy
16
17
Medium
16
18
Medium
27
19
Hard
29
20
Hard
42
21
Easy
14
22
Medium
23
23
Easy
19
24
Easy
11
25
Easy
13
26
Easy
17
27
Expert
62
28
Easy
15
29
Easy
15
30
Easy
15
31
Easy
27
   

2007

Average score: 27.23
December 2007
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
26
2
Expert
76
3
Hard
40
4
Easy
10
5
Easy
10
6
Hard
27
7
Easy
11
8
Hard
34
9
Hard
34
10
Medium
26
11
Easy
24
12
Medium
29
13
Easy
20
14
Easy
24
15
Easy
19
16
Easy
22
17
Hard
30
18
Medium
35
19
Easy
14
20
Medium
28
21
Medium
20
22
Expert
45
23
Medium
26
24
Medium
25
25
Medium
29
26
Easy
11
27
Medium
31
28
Expert
48
29
Hard
33
30
Easy
11
31
Easy
26
         
Average score: 22.97
November 2007
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
16
2
Easy
14
3
Hard
28
4
Medium
20
5
Easy
12
6
Easy
21
7
Easy
10
8
Medium
27
9
Easy
21
10
Easy
15
11
Hard
47
12
Medium
22
13
Easy
13
14
Easy
18
15
Medium
27
16
Medium
27
17
Hard
25
18
Easy
8
19
Expert
50
20
Medium
26
21
Easy
11
22
Medium
24
23
Easy
23
24
Medium
25
25
Hard
37
26
Hard
28
27
Hard
28
28
Medium
24
29
Hard
28
30
Easy
14
 
Average score: 25.23
October 2007
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
21
2
Hard
23
3
Easy
17
4
Medium
24
5
Medium
28
6
Easy
33
7
Expert
45
8
Medium
27
9
Hard
24
10
Medium
31
11
Medium
23
12
Easy
20
13
Medium
20
14
Hard
27
15
Easy
24
16
Medium
33
17
Medium
25
18
Easy
12
19
Hard
23
20
Easy
17
21
Easy
17
22
Easy
20
23
Hard
35
24
Hard
39
25
Medium
28
26
Easy
21
27
Hard
36
28
Easy
22
29
Medium
30
30
Easy
15
31
Medium
22
     
Average score: 27.93
September 2007
Sun Mon Tue Wed Thu Fri Sat
            1
Expert
57
2
Easy
17
3
Medium
24
4
Easy
16
5
Hard
37
6
Medium
19
7
Easy
15
8
Expert
73
9
Medium
31
10
Easy
15
11
Expert
47
12
Medium
29
13
Hard
35
14
Easy
11
15
Medium
29
16
Hard
28
17
Hard
32
18
Easy
17
19
Medium
16
20
Hard
32
21
Easy
14
22
Hard
44
23
Easy
31
24
Medium
29
25
Easy
26
26
Hard
35
27
Easy
15
28
Easy
15
29
Medium
25
30
Medium
24
           
Average score: 24.58
August 2007
Sun Mon Tue Wed Thu Fri Sat
      1
Medium
32
2
Medium
27
3
Easy
12
4
Hard
36
5
Easy
21
6
Medium
24
7
Expert
33
8
Easy
19
9
Easy
12
10
Hard
31
11
Hard
22
12
Medium
26
13
Hard
28
14
Hard
40
15
Expert
36
16
Medium
27
17
Easy
11
18
Easy
27
19
Easy
22
20
Easy
23
21
Easy
26
22
Easy
14
23
Easy
26
24
Easy
18
25
Medium
19
26
Medium
18
27
Easy
10
28
Hard
34
29
Easy
26
30
Medium
25
31
Hard
37
 
Average score: 25.10
July 2007
Sun Mon Tue Wed Thu Fri Sat
1
Medium
26
2
Easy
15
3
Medium
31
4
Easy
23
5
Easy
16
6
Hard
29
7
Easy
23
8
Hard
31
9
Hard
43
10
Hard
34
11
Medium
28
12
Medium
19
13
Medium
27
14
Easy
21
15
Easy
23
16
Hard
23
17
Medium
34
18
Medium
20
19
Easy
21
20
Easy
20
21
Medium
21
22
Medium
22
23
Medium
20
24
Medium
32
25
Hard
32
26
Easy
20
27
Easy
16
28
Expert
43
29
Easy
16
30
Easy
20
31
Easy
29
       
Average score: 31.90
June 2007
Sun Mon Tue Wed Thu Fri Sat
          1
Easy
17
2
Easy
18
3
Easy
14
4
Easy
10
5
Expert
66
6
Hard
50
7
Hard
27
8
Easy
17
9
Easy
15
10
Easy
16
11
Hard
22
12
Expert
60
13
Easy
12
14
Medium
20
15
Medium
19
16
Expert
78
17
Easy
10
18
Medium
27
19
Expert
47
20
Easy
18
21
Easy
23
22
Expert
101
23
Hard
29
24
Medium
38
25
Medium
32
26
Hard
30
27
Expert
69
28
Medium
32
29
Hard
23
30
Easy
17
Average score: 22.84
May 2007
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
19
2
Medium
32
3
Medium
28
4
Easy
15
5
Expert
46
6
Easy
17
7
Hard
24
8
Easy
18
9
Easy
15
10
Easy
21
11
Medium
20
12
Expert
41
13
Easy
23
14
Medium
14
15
Easy
9
16
Easy
16
17
Easy
20
18
Easy
19
19
Easy
16
20
Easy
18
21
Easy
9
22
Medium
27
23
Easy
21
24
Hard
36
25
Hard
27
26
Easy
15
27
Expert
39
28
Hard
26
29
Medium
30
30
Easy
20
31
Hard
27
   
Average score: 23.13
April 2007
Sun Mon Tue Wed Thu Fri Sat
1
Hard
36
2
Hard
37
3
Medium
16
4
Easy
20
5
Medium
23
6
Easy
11
7
Easy
13
8
Easy
24
9
Expert
42
10
Hard
33
11
Easy
12
12
Easy
32
13
Medium
30
14
Easy
28
15
Medium
18
16
Easy
17
17
Medium
18
18
Easy
15
19
Medium
28
20
Easy
20
21
Medium
27
22
Easy
10
23
Easy
24
24
Easy
24
25
Easy
24
26
Easy
14
27
Medium
28
28
Medium
30
29
Easy
15
30
Medium
25
         
Average score: 23.16
March 2007
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
10
2
Easy
10
3
Medium
19
4
Easy
25
5
Hard
33
6
Medium
21
7
Easy
11
8
Easy
23
9
Easy
20
10
Easy
17
11
Hard
35
12
Easy
24
13
Easy
17
14
Easy
13
15
Easy
13
16
Easy
21
17
Medium
22
18
Easy
19
19
Expert
49
20
Easy
19
21
Easy
18
22
Medium
24
23
Hard
21
24
Expert
71
25
Expert
44
26
Easy
14
27
Easy
28
28
Easy
11
29
Easy
30
30
Easy
15
31
Medium
21
Average score: 27.39
February 2007
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
20
2
Easy
12
3
Hard
25
4
Easy
22
5
Medium
38
6
Easy
16
7
Expert
60
8
Medium
28
9
Easy
13
10
Medium
20
11
Easy
15
12
Medium
14
13
Expert
71
14
Medium
34
15
Easy
11
16
Hard
36
17
Easy
20
18
Easy
29
19
Hard
35
20
Medium
25
21
Medium
33
22
Easy
19
23
Expert
29
24
Easy
17
25
Expert
58
26
Easy
17
27
Easy
16
28
Hard
34
     
Average score: 23.26
January 2007
Sun Mon Tue Wed Thu Fri Sat
  1
Medium
26
2
Easy
17
3
Easy
13
4
Medium
21
5
Easy
21
6
Medium
30
7
Easy
15
8
Medium
23
9
Hard
31
10
Easy
11
11
Easy
14
12
Medium
31
13
Easy
22
14
Medium
34
15
Easy
20
16
Hard
29
17
Medium
30
18
Easy
22
19
Medium
24
20
Medium
27
21
Medium
18
22
Medium
23
23
Medium
20
24
Hard
49
25
Medium
23
26
Hard
19
27
Easy
15
28
Easy
26
29
Hard
29
30
Medium
26
31
Easy
12
     

2006

Average score: 26.61
December 2006
Sun Mon Tue Wed Thu Fri Sat
          1
Expert
45
2
Hard
28
3
Hard
22
4
Medium
16
5
Hard
24
6
Medium
23
7
Easy
8
8
Hard
45
9
Medium
30
10
Hard
23
11
Medium
28
12
Medium
26
13
Medium
24
14
Easy
14
15
Expert
38
16
Easy
11
17
Medium
40
18
Easy
16
19
Easy
20
20
Easy
11
21
Expert
47
22
Medium
24
23
Hard
33
24
Hard
22
25
Easy
25
26
Hard
40
27
Easy
13
28
Medium
27
29
Easy
20
30
Expert
42
31
Hard
40
           
Average score: 23.57
November 2006
Sun Mon Tue Wed Thu Fri Sat
      1
Easy
26
2
Hard
34
3
Hard
36
4
Easy
11
5
Easy
12
6
Medium
30
7
Easy
18
8
Expert
44
9
Easy
23
10
Medium
25
11
Easy
18
12
Medium
27
13
Easy
22
14
Easy
16
15
Medium
25
16
Easy
12
17
Medium
27
18
Medium
33
19
Easy
24
20
Easy
16
21
Easy
21
22
Easy
19
23
Easy
16
24
Medium
27
25
Easy
14
26
Hard
34
27
Medium
26
28
Hard
22
29
Medium
30
30
Easy
19
   
Average score: 24.81
October 2006
Sun Mon Tue Wed Thu Fri Sat
1
Expert
94
2
Easy
19
3
Easy
30
4
Expert
33
5
Medium
19
6
Easy
14
7
Easy
10
8
Hard
25
9
Easy
21
10
Medium
24
11
Medium
22
12
Easy
16
13
Medium
24
14
Medium
28
15
Hard
36
16
Easy
22
17
Hard
37
18
Easy
17
19
Medium
38
20
Easy
8
21
Easy
25
22
Easy
20
23
Easy
20
24
Medium
19
25
Easy
18
26
Medium
28
27
Easy
19
28
Easy
26
29
Medium
19
30
Easy
10
31
Medium
28
       
Average score: 25.33
September 2006
Sun Mon Tue Wed Thu Fri Sat
          1
Hard
40
2
Easy
19
3
Expert
56
4
Easy
16
5
Easy
18
6
Easy
22
7
Medium
28
8
Medium
32
9
Medium
34
10
Easy
18
11
Easy
17
12
Easy
17
13
Hard
33
14
Hard
30
15
Easy
12
16
Hard
35
17
Hard
28
18
Medium
29
19
Medium
18
20
Hard
33
21
Medium
18
22
Medium
24
23
Hard
29
24
Hard
30
25
Easy
18
26
Easy
16
27
Medium
21
28
Easy
15
29
Medium
32
30
Easy
22
Average score: 26.19
August 2006
Sun Mon Tue Wed Thu Fri Sat
    1
Easy
20
2
Expert
94
3
Easy
18
4
Medium
28
5
Easy
23
6
Hard
26
7
Easy
13
8
Expert
35
9
Medium
28
10
Hard
31
11
Hard
30
12
Easy
17
13
Easy
21
14
Hard
25
15
Medium
30
16
Medium
28
17
Hard
33
18
Easy
18
19
Medium
17
20
Medium
24
21
Medium
22
22
Easy
15
23
Medium
20
24
Easy
10
25
Medium
18
26
Easy
32
27
Medium
27
28
Easy
18
29
Easy
22
30
Easy
16
31
Expert
53
   
Average score: 27.13
July 2006
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
23
2
Easy
24
3
Expert
33
4
Easy
26
5
Easy
16
6
Hard
34
7
Medium
18
8
Hard
35
9
Easy
28
10
Medium
25
11
Medium
23
12
Easy
20
13
Easy
21
14
Medium
22
15
Medium
33
16
Easy
19
17
Easy
15
18
Hard
34
19
Medium
24
20
Hard
32
21
Easy
38
22
Easy
22
23
Expert
59
24
Hard
26
25
Medium
34
26
Hard
20
27
Easy
17
28
Easy
22
29
Easy
19
30
Medium
28
31
Expert
51
         
Average score: 25.83
June 2006
Sun Mon Tue Wed Thu Fri Sat
        1
Easy
23
2
Medium
24
3
Medium
32
4
Hard
32
5
Easy
31
6
Easy
15
7
Easy
23
8
Hard
44
9
Hard
26
10
Easy
26
11
Medium
19
12
Hard
22
13
Medium
27
14
Medium
29
15
Medium
22
16
Medium
31
17
Easy
14
18
Easy
21
19
Easy
16
20
Medium
28
21
Hard
37
22
Hard
34
23
Easy
11
24
Medium
28
25
Medium
28
26
Medium
21
27
Expert
38
28
Easy
24
29
Medium
25
30
Medium
24
 
Average score: 25.32
May 2006
Sun Mon Tue Wed Thu Fri Sat
  1
Easy
33
2
Easy
24
3
Hard
31
4
Medium
26
5
Medium
24
6
Easy
18
7
Easy
24
8
Easy
12
9
Easy
13
10
Hard
24
11
Medium
24
12
Easy
25
13
Expert
32
14
Easy
14
15
Hard
39
16
Hard
38
17
Expert
48
18
Easy
11
19
Medium
23
20
Medium
23
21
Hard
38
22
Medium
31
23
Medium
26
24
Medium
27
25
Easy
13
26
Hard
22
27
Easy
26
28
Easy
17
29
Easy
18
30
Hard
28
31
Medium
33
     
Average score: 27.17
April 2006
Sun Mon Tue Wed Thu Fri Sat
            1
Easy
26
2
Medium
22
3
Hard
30
4
Easy
14
5
Hard
36
6
Easy
14
7
Medium
31
8
Medium
31
9
Medium
21
10
Hard
40
11
Medium
35
12
Expert
68
13
Medium
28
14
Easy
15
15
Medium
35
16
Easy
15
17
Easy
10
18
Medium
23
19
Hard
29
20
Easy
16
21
Easy
34
22
Medium
33
23
Easy
15
24
Expert
61
25
Hard
29
26
Easy
15
27
Hard
24
28
Easy
30
29
Medium
26
30
Easy
9
           
Average score: 28.67
March 2006
Sun Mon Tue Wed Thu Fri Sat
      1
 
 
2
 
 
3
 
 
4
 
 
5
 
 
6
 
 
7
 
 
8
 
 
9
 
 
10
 
 
11
Easy
16
12
Hard
31
13
Easy
11
14
Expert
36
15
Medium
29
16
Medium
32
17
Medium
28
18
Hard
33
19
Medium
15
20
Hard
38
21
Medium
23
22
Easy
26
23
Medium
19
24
Easy
26
25
Hard
38
26
Medium
29
27
Hard
35
28
Expert
77
29
Medium
30
30
Easy
19
31
Easy
11
 

Statistics

Easy Puzzles

1718 Easy puzzles evaluated.
Scores range from 7 to 38.
Average score: 18.63
Standard deviation: 5.25

Medium Puzzles

832 Medium puzzles evaluated.
Scores range from 13 to 49.
Average score: 25.96
Standard deviation: 5.51

Hard Puzzles

473 Hard puzzles evaluated.
Scores range from 19 to 50.
Average score: 32.32
Standard deviation: 5.75

Expert Puzzles

508 Expert puzzles evaluated.
Scores range from 26 to 148.
Average score: 53.40
Standard deviation: 16.98

All Puzzles

3531 puzzles evaluated.
Scores range from 7 to 148.
Average score: 27.19
Standard deviation: 14.31

Frequency Distribution of Scores

Scores
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
Frequency
Easy Puzzles         Medium Puzzles 
Hard Puzzles         Expert Puzzles 
All Puzzles 

Last updated: Thursday, August 26, 2010 11:24:50 PM