CCRL 40/40
Downloads and Statistics
April 11, 2008
Testing summary:
Total: 114'872 games
played by 449 programs
16375 CPU days (X2 4600+)

White wins: 41'478 (36.1%)
Black wins: 31'357 (27.3%)
Draws: 42'037 (36.6%)
White score: 54.4%

Pure list for free 1-2-CPU engines

Pure database download

To save space, pure database has all moves stripped out, it contains PGN header and results only. This pure database is useful only for rating calculation or similar analysis, it does not have actual games, only the results.

Download pure database, 4'874 games:

CCRL 40/40 Rating List — Pure free 1-2-CPU engines

Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz)
Computed on April 11, 2008 with Bayeselo based on 4'874 games
RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
ELO+
1Rybka 1.0 64-bit2929 (+9)+30−2973.3%−161.632.9%392 
99.7%
2Toga II 1.2.1a2874 (+13)+26−2665.0%−105.333.4%470
97.2%
3Spike 1.2 Turin2842 (−10)+22−2261.7%−78.837.8%640
89.4%
4Naum 2.0 32-bit2821 (+19)+25−2558.7%−55.837.8%460
97.8%
5Glaurung 1.2.1 64-bit2782 (+11)+27−2750.0%+0.936.9%390
99.0%
6Slow Chess Blitz WV2.12740 (−1)+21−2150.8%−4.937.9%684
67.5%
7Zappa 1.1 64-bit2733 (0)+26−2645.9%+30.136.1%446
54.2%
8Scorpio 1.82731 (−14)+25−2544.3%+40.433.5%487
50.5%
9WildCat 72730 (+1)+21−2148.3%+14.336.4%668
62.0%
10List 5.122725 (+4)+23−2445.5%+30.935.5%544
69.4%
11Pro Deo 1.22716 (−9)+26−2649.7%+1.729.0%441
58.2%
12Pharaon 3.5.12712 (+2)+22−2245.6%+31.133.6%639
76.5%
13Ruffian 1.0.52701 (−10)+22−2243.8%+40.141.6%596
68.0%
14Delfi 5.02693 (−10)+25−2546.9%+18.236.7%469
51.7%
15Aristarch 4.502692 (−8)+24−2449.8%+1.736.3%509
56.9%
16Pseudo 0.7c2689 (−2)+27−2750.0%−1.637.0%400
88.6%
17Jonny 2.83 32-bit2666 (−12)+27−2745.5%+30.429.1%430
55.8%
18Colossus 2006f2663 (+4)+32−3245.4%+31.630.7%296
64.4%
19SOS 5.12654 (−11)+31−3242.0%+52.236.5%299
83.3%
20AnMon 5.602630 (+13)+36−3740.0%+67.431.0%229
80.9%
21Little Goliath Evolution 3.122607 (−2)+34−3535.3%+99.734.4%259
 

Results matrix

Pure free 1-2-CPU engines
#NameELO123456789101112131415161718192021
1Rybka 1.0 64-bit2929 25.5 − 16.5
+16−7=19
+9
27 − 15
+17−5=20
−1
21.5 − 10.5
+17−6=9
+8
32.5 − 9.5
+27−4=11
+52
25.5 − 6.5
+19−0=13
+2
23 − 9
+18−4=10
−45
33 − 9
+28−4=10
+13
26.5 − 5.5
+23−2=7
+51
21 − 11
+15−5=12
−101
 27 − 5
+24−2=6
+53
25 − 7
+19−1=12
−46
        
2Toga II 1.2.1a287416.5 − 25.5
+7−16=19
−9
 39 − 42
+22−25=34
−44
20 − 12
+14−6=12
+28
24.5 − 17.5
+16−9=17
−39
29 − 8
+24−3=10
+72
24 − 7
+21−4=6
+70
26.5 − 8.5
+21−3=11
+33
26 − 9
+21−4=10
+27
22 − 10
+17−5=10
−19
1 − 1
+1−1=0
−158
23.5 − 8.5
+20−5=7
+9
25.5 − 6.5
+21−2=9
+38
4 − 2
+3−1=2
−70
 2 − 1
+1−0=2
−89
1 − 0
+1−0=0
+INF
 9 − 3
+7−1=4
−47
 12 − 3
+10−1=4
−49
3Spike 1.2 Turin284215 − 27
+5−17=20
+1
42 − 39
+25−22=34
+44
 32.5 − 29.5
+21−18=23
−4
23 − 19
+13−9=20
−33
25.5 − 19.5
+15−9=21
−61
21.5 − 10.5
+19−8=5
+25
32.5 − 18.5
+24−10=17
−18
41 − 16
+30−5=22
+33
42.5 − 19.5
+30−7=25
0
15 − 7
+11−3=8
−5
27 − 13
+20−6=14
−14
27 − 9
+22−4=10
+36
6 − 2
+4−0=4
0
1.5 − 0.5
+1−0=1
−7
6 − 4
+4−2=4
−94
6.5 − 1.5
+5−0=3
+30
7.5 − 2.5
+6−1=3
−8
8 − 3
+6−1=4
−44
9.5 − 3.5
+8−2=3
−41
5.5 − 0.5
+5−0=1
+124
4Naum 2.0 32-bit282110.5 − 21.5
+6−17=9
−8
12 − 20
+6−14=12
−28
29.5 − 32.5
+18−21=23
+4
 19.5 − 10.5
+14−5=11
+61
24 − 13
+16−5=16
+13
17.5 − 14.5
+11−8=13
−59
21 − 17
+15−11=12
−52
31.5 − 16.5
+22−7=19
+8
22.5 − 9.5
+17−4=11
+39
11 − 5
+9−3=4
+28
30.5 − 12.5
+21−3=19
+21
21 − 11
+13−3=16
−27
2.5 − 0.5
+2−0=1
+115
1.5 − 0.5
+1−0=1
+27
2.5 − 1.5
+1−0=3
−64
1.5 − 1.5
+1−1=1
−169
5.5 − 1.5
+5−1=1
+76
2 − 1
+1−0=2
−84
2 − 0
+2−0=0
+INF
2 − 0
+2−0=0
+INF
5Glaurung 1.2.1 64-bit27829.5 − 32.5
+4−27=11
−52
17.5 − 24.5
+9−16=17
+39
19 − 23
+9−13=20
+33
10.5 − 19.5
+5−14=11
−61
 16.5 − 15.5
+11−10=11
−35
17.5 − 14.5
+12−9=11
−16
23.5 − 18.5
+16−11=15
−10
19.5 − 12.5
+15−8=9
+24
21.5 − 10.5
+15−4=13
+54
 21 − 11
+15−5=12
+30
19 − 13
+12−6=14
−23
        
6Slow Chess Blitz WV2.127406.5 − 25.5
+0−19=13
−2
8 − 29
+3−24=10
−72
19.5 − 25.5
+9−15=21
+61
13 − 24
+5−16=16
−13
15.5 − 16.5
+10−11=11
+35
 17.5 − 14.5
+10−7=15
+21
22 − 20
+14−12=16
+5
23.5 − 22.5
+14−13=19
−2
16.5 − 15.5
+10−9=13
−4
22.5 − 15.5
+17−10=11
+35
21 − 25
+13−17=16
−53
16 − 16
+7−7=18
−39
24.5 − 16.5
+17−9=15
+10
24 − 19
+16−11=16
−11
7.5 − 5.5
+4−2=7
−12
27 − 14
+22−9=10
+40
3 − 1
+3−1=0
+148
12 − 8
+9−5=6
−22
24.5 − 13.5
+18−7=13
−11
23.5 − 9.5
+17−3=13
+4
7Zappa 1.1 64-bit27339 − 23
+4−18=10
+45
7 − 24
+4−21=6
−70
10.5 − 21.5
+8−19=5
−25
14.5 − 17.5
+8−11=13
+59
14.5 − 17.5
+9−12=11
+16
14.5 − 17.5
+7−10=15
−21
 19.5 − 11.5
+13−5=13
+81
14 − 19
+5−10=18
−45
15.5 − 16.5
+9−10=13
−15
17 − 13
+14−10=6
+30
17.5 − 14.5
+11−8=13
+6
16.5 − 15.5
+9−8=15
−23
18 − 14
+12−8=12
0
16.5 − 15.5
+11−10=11
−30
   0 − 1
+0−1=0
−INF
  
8Scorpio 1.827319 − 33
+4−28=10
−13
8.5 − 26.5
+3−21=11
−33
18.5 − 32.5
+10−24=17
+18
17 − 21
+11−15=12
+52
18.5 − 23.5
+11−16=15
+10
20 − 22
+12−14=16
−5
11.5 − 19.5
+5−13=13
−81
 14.5 − 18.5
+12−16=5
−45
16.5 − 16.5
+10−10=13
−4
0 − 1
+0−1=0
−INF
20 − 18
+13−11=14
−3
21.5 − 10.5
+16−5=11
+83
26 − 19
+18−11=16
+11
1 − 1
+1−1=0
−39
4 − 2
+2−0=4
+46
1 − 3
+0−2=2
−214
1.5 − 0.5
+1−0=1
+74
3.5 − 1.5
+3−1=1
+72
1.5 − 0.5
+1−0=1
+55
1.5 − 1.5
+1−1=1
−109
9WildCat 727305.5 − 26.5
+2−23=7
−51
9 − 26
+4−21=10
−27
16 − 41
+5−30=22
−33
16.5 − 31.5
+7−22=19
−8
12.5 − 19.5
+8−15=9
−24
22.5 − 23.5
+13−14=19
+2
19 − 14
+10−5=18
+45
18.5 − 14.5
+16−12=5
+45
 18 − 16
+11−9=14
+12
34.5 − 31.5
+25−22=19
0
20.5 − 21.5
+15−16=11
−28
18.5 − 13.5
+11−6=15
+20
19.5 − 14.5
+12−7=15
+9
16 − 20
+8−12=16
−69
4.5 − 0.5
+4−0=1
+288
2.5 − 1.5
+1−0=3
−4
23 − 9
+19−5=8
+92
16.5 − 7.5
+10−1=13
+30
8 − 4
+5−1=6
+1
21.5 − 9.5
+15−3=13
−3
10List 5.12272511 − 21
+5−15=12
+101
10 − 22
+5−17=10
+19
19.5 − 42.5
+7−30=25
0
9.5 − 22.5
+4−17=11
−39
10.5 − 21.5
+4−15=13
−54
15.5 − 16.5
+9−10=13
+4
16.5 − 15.5
+10−9=13
+15
16.5 − 16.5
+10−10=13
+4
16 − 18
+9−11=14
−12
 11.5 − 18.5
+9−16=5
−99
14 − 18
+11−15=6
−60
20 − 12
+12−4=16
+47
16 − 16
+11−11=10
−32
17 − 15
+9−7=16
−15
 24.5 − 7.5
+21−4=7
+137
1 − 0
+1−0=0
+INF
18.5 − 13.5
+14−9=9
−17
  
11Pro Deo 1.22716 1 − 1
+1−1=0
+158
7 − 15
+3−11=8
+5
5 − 11
+3−9=4
−28
 15.5 − 22.5
+10−17=11
−35
13 − 17
+10−14=6
−30
1 − 0
+1−0=0
+INF
31.5 − 34.5
+22−25=19
0
18.5 − 11.5
+16−9=5
+99
 19 − 16
+13−10=12
+23
14.5 − 15.5
+7−8=15
−25
14 − 18
+8−12=12
−65
25 − 20
+20−15=10
+20
22 − 14
+16−8=12
+48
17.5 − 16.5
+15−14=5
−39
0 − 1
+0−1=0
−INF
13 − 8
+9−4=8
+14
 1.5 − 0.5
+1−0=1
+33
12Pharaon 3.5.127125 − 27
+2−24=6
−53
8.5 − 23.5
+5−20=7
−9
13 − 27
+6−20=14
+14
12.5 − 30.5
+3−21=19
−21
11 − 21
+5−15=12
−30
25 − 21
+17−13=16
+53
14.5 − 17.5
+8−11=13
−6
18 − 20
+11−13=14
+3
21.5 − 20.5
+16−15=11
+28
18 − 14
+15−11=6
+60
16 − 19
+10−13=12
−23
 14 − 18
+8−12=12
−51
19 − 18
+13−12=12
−9
23.5 − 14.5
+15−6=17
+53
18.5 − 21.5
+11−14=15
−46
23 − 19
+17−13=12
−15
7 − 3
+5−1=4
+77
3 − 1
+3−1=0
+167
10.5 − 5.5
+8−3=5
+19
10 − 6
+6−2=8
−31
13Ruffian 1.0.527017 − 25
+1−19=12
+46
6.5 − 25.5
+2−21=9
−38
9 − 27
+4−22=10
−36
11 − 21
+3−13=16
+27
13 − 19
+6−12=14
+23
16 − 16
+7−7=18
+39
15.5 − 16.5
+8−9=15
+23
10.5 − 21.5
+5−16=11
−83
13.5 − 18.5
+6−11=15
−20
12 − 20
+4−12=16
−47
15.5 − 14.5
+8−7=15
+25
18 − 14
+12−8=12
+51
 15.5 − 16.5
+8−9=15
−18
16.5 − 19.5
+8−11=17
−33
17 − 14
+10−7=14
+15
20 − 16
+14−10=12
+3
18.5 − 13.5
+14−9=9
+18
12.5 − 9.5
+8−5=9
−3
7 − 4
+4−1=6
+8
6.5 − 3.5
+5−2=3
+2
14Delfi 5.02693 2 − 4
+1−3=2
+70
2 − 6
+0−4=4
0
0.5 − 2.5
+0−2=1
−115
 16.5 − 24.5
+9−17=15
−10
14 − 18
+8−12=12
0
19 − 26
+11−18=16
−11
14.5 − 19.5
+7−12=15
−9
16 − 16
+11−11=10
+32
18 − 14
+12−8=12
+65
18 − 19
+12−13=12
+9
16.5 − 15.5
+9−8=15
+18
 22.5 − 15.5
+16−9=13
+62
12.5 − 25.5
+5−18=15
−112
20.5 − 18.5
+15−13=11
−7
20.5 − 21.5
+13−14=15
−37
3.5 − 2.5
+2−1=3
+13
1.5 − 0.5
+1−0=1
+93
2 − 0
+2−0=0
+INF
15Aristarch 4.502692  0.5 − 1.5
+0−1=1
+7
0.5 − 1.5
+0−1=1
−27
 19 − 24
+11−16=16
+11
15.5 − 16.5
+10−11=11
+30
1 − 1
+1−1=0
+39
20 − 16
+12−8=16
+69
15 − 17
+7−9=16
+15
20 − 25
+15−20=10
−20
14.5 − 23.5
+6−15=17
−53
19.5 − 16.5
+11−8=17
+33
15.5 − 22.5
+9−16=13
−62
 17 − 22
+11−16=12
−45
22 − 17
+15−10=14
+13
20.5 − 17.5
+14−11=13
−3
13 − 9
+9−5=8
+18
20.5 − 14.5
+15−9=11
−6
19.5 − 10.5
+15−6=9
+18
16Pseudo 0.7c2689 1 − 2
+0−1=2
+89
4 − 6
+2−4=4
+94
1.5 − 2.5
+0−1=3
+64
 5.5 − 7.5
+2−4=7
+12
 2 − 4
+0−2=4
−46
0.5 − 4.5
+0−4=1
−288
 14 − 22
+8−16=12
−48
21.5 − 18.5
+14−11=15
+46
14 − 17
+7−10=14
−15
25.5 − 12.5
+18−5=15
+112
22 − 17
+16−11=12
+45
 23.5 − 25.5
+16−18=15
−37
17.5 − 16.5
+11−10=13
−16
23.5 − 22.5
+14−13=19
−26
9 − 12
+7−10=4
−115
15 − 10
+11−6=8
−12
17Jonny 2.83 32-bit2666 0 − 1
+0−1=0
−INF
1.5 − 6.5
+0−5=3
−30
1.5 − 1.5
+1−1=1
+169
 14 − 27
+9−22=10
−40
 3 − 1
+2−0=2
+214
1.5 − 2.5
+0−1=3
+4
7.5 − 24.5
+4−21=7
−137
16.5 − 17.5
+14−15=5
+39
19 − 23
+13−17=12
+15
16 − 20
+10−14=12
−3
18.5 − 20.5
+13−15=11
+7
17 − 22
+10−15=14
−13
25.5 − 23.5
+18−16=15
+37
 18.5 − 20.5
+11−13=15
−17
7.5 − 4.5
+5−2=5
+63
10 − 11
+8−9=4
−54
18 − 8
+15−5=6
+80
18Colossus 2006f2663  2.5 − 7.5
+1−6=3
+8
1.5 − 5.5
+1−5=1
−76
 1 − 3
+1−3=0
−148
 0.5 − 1.5
+0−1=1
−74
9 − 23
+5−19=8
−92
0 − 1
+0−1=0
−INF
1 − 0
+1−0=0
+INF
3 − 7
+1−5=4
−77
13.5 − 18.5
+9−14=9
−18
21.5 − 20.5
+14−13=15
+37
17.5 − 20.5
+11−14=13
+3
16.5 − 17.5
+10−11=13
+16
20.5 − 18.5
+13−11=15
+17
 10.5 − 7.5
+9−6=3
+55
6.5 − 6.5
+5−5=3
−36
9.5 − 3.5
+8−2=3
+113
19SOS 5.12654 3 − 9
+1−7=4
+47
3 − 8
+1−6=4
+44
1 − 2
+0−1=2
+84
 8 − 12
+5−9=6
+22
1 − 0
+1−0=0
+INF
1.5 − 3.5
+1−3=1
−72
7.5 − 16.5
+1−10=13
−30
13.5 − 18.5
+9−14=9
+17
8 − 13
+4−9=8
−14
1 − 3
+1−3=0
−167
9.5 − 12.5
+5−8=9
+3
2.5 − 3.5
+1−2=3
−13
9 − 13
+5−9=8
−18
22.5 − 23.5
+13−14=19
+26
4.5 − 7.5
+2−5=5
−63
7.5 − 10.5
+6−9=3
−55
 11.5 − 7.5
+9−5=5
+49
11 − 10
+6−5=10
−33
20AnMon 5.602630  3.5 − 9.5
+2−8=3
+41
0 − 2
+0−2=0
−INF
 13.5 − 24.5
+7−18=13
+11
 0.5 − 1.5
+0−1=1
−55
4 − 8
+1−5=6
−1
  5.5 − 10.5
+3−8=5
−19
4 − 7
+1−4=6
−8
0.5 − 1.5
+0−1=1
−93
14.5 − 20.5
+9−15=11
+6
12 − 9
+10−7=4
+115
11 − 10
+9−8=4
+54
6.5 − 6.5
+5−5=3
+36
7.5 − 11.5
+5−9=5
−49
 8.5 − 15.5
+4−11=9
−112
21Little Goliath Evolution 3.122607 3 − 12
+1−10=4
+49
0.5 − 5.5
+0−5=1
−124
0 − 2
+0−2=0
−INF
 9.5 − 23.5
+3−17=13
−4
 1.5 − 1.5
+1−1=1
+109
9.5 − 21.5
+3−15=13
+3
 0.5 − 1.5
+0−1=1
−33
6 − 10
+2−6=8
+31
3.5 − 6.5
+2−5=3
−2
0 − 2
+0−2=0
−INF
10.5 − 19.5
+6−15=9
−18
10 − 15
+6−11=8
+12
8 − 18
+5−15=6
−80
3.5 − 9.5
+2−8=3
−113
10 − 11
+5−6=10
+33
15.5 − 8.5
+11−4=9
+112
 
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

History of "pure" testing for free 1-2-CPU engines

LOS matrix

Pure free 1-2-CPU engines
#NameELO123456789101112131415161718192021
1Rybka 1.0 64-bit2929 99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Toga II 1.2.1a28740.3 97.299.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Spike 1.2 Turin28420.02.8 89.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Naum 2.0 32-bit28210.00.210.6 97.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Glaurung 1.2.1 64-bit27820.00.00.02.2 99.099.599.799.899.999.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Slow Chess Blitz WV2.127400.00.00.00.01.0 67.571.874.382.091.896.599.499.899.899.8100.0100.0100.0100.0100.0
7Zappa 1.1 64-bit27330.00.00.00.00.532.5 54.255.065.580.487.696.598.398.598.4100.099.9100.0100.0100.0
8Scorpio 1.827310.00.00.00.00.328.245.8 50.561.677.185.695.798.197.998.199.999.9100.0100.0100.0
9WildCat 727300.00.00.00.00.225.645.049.5 62.079.887.597.098.798.998.8100.0100.0100.0100.0100.0
10List 5.1227250.00.00.00.00.118.034.538.438.0 69.478.393.196.697.197.099.999.8100.0100.0100.0
11Pro Deo 1.227160.00.00.00.00.18.219.622.920.230.6 58.280.589.490.691.999.599.299.8100.0100.0
12Pharaon 3.5.127120.00.00.00.00.03.512.414.412.521.741.8 76.587.488.790.399.599.299.8100.0100.0
13Ruffian 1.0.527010.00.00.00.00.00.63.54.33.06.919.523.5 68.069.974.597.497.099.099.9100.0
14Delfi 5.026930.00.00.00.00.00.21.71.91.33.410.612.632.0 51.758.392.592.896.599.6100.0
15Aristarch 4.5026920.00.00.00.00.00.21.42.11.12.99.411.330.148.3 56.992.492.496.899.7100.0
16Pseudo 0.7c26890.00.00.00.00.00.21.61.91.23.08.19.725.541.743.1 88.689.095.399.3100.0
17Jonny 2.83 32-bit26660.00.00.00.00.00.00.00.10.00.10.50.52.67.57.611.4 55.870.693.599.5
18Colossus 2006f26630.00.00.00.00.00.00.10.10.00.20.80.83.07.27.611.044.2 64.490.198.7
19SOS 5.126540.00.00.00.00.00.00.00.00.00.00.20.21.03.53.24.729.435.6 83.397.4
20AnMon 5.6026300.00.00.00.00.00.00.00.00.00.00.00.00.10.40.30.66.59.916.7 80.9
21Little Goliath Evolution 3.1226070.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.51.32.619.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Created in 2005-2008 by CCRL team
Last games added on April 11, 2008