CCRL 40/40
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 1'090'583 games
played by 2'551 programs
149018 CPU days (X2 4600+)

White wins: 378'348 (34.7%)
Black wins: 281'291 (25.8%)
Draws: 430'944 (39.5%)
White score: 54.4%

Engine Details

Options
Show each game results
GNU Chess 5.50 64-bit (2758+19
−19
)Quote
Authors: Chua Kong-Sian (Singapore), Stuart Cracraft (USA), Lukas Geyer, Simon Waters, Michel Van den Bergh Links: Homepage, GnuWin32, Jim Ablett's compile, 5.07 Download
This is one of the 3 GNU Chess versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Texel 1.03 64-bit2924+24
−24
(+166)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+70
–   Arasan 19.1 64-bit2922+22
−22
(+164)1.5 − 8.5
(+0−7=3)
15.0%
1.5 / 10
0.0%
−86
–   Quazar 0.4 64-bit2906+10
−10
(+148)1 − 7
(+0−6=2)
12.5%
1.0 / 8
0.0%
−138
–   Booot 5.2.0 64-bit2894+15
−15
(+136)5 − 17
(+1−13=8)
22.7%
5.0 / 22
0.0%
−46
–   iCE 2.0 64-bit2893+17
−17
(+135)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
0.0%
+89
–   Quazar 0.4 32-bit2880+12
−12
(+122)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.0%
0
–   Gaviota 1.0 64-bit2860+11
−11
(+102)4 − 2
(+3−1=2)
66.7%
4.0 / 6
0.0%
+206
–   MinkoChess 1.3 64-bit2854+14
−14
(+96)5 − 7
(+2−4=6)
41.7%
5.0 / 12
0.0%
+47
–   Toga II 3.02851+16
−15
(+93)3 − 11
(+1−9=4)
21.4%
3.0 / 14
0.0%
−109
–   Nemo 1.0.1 64-bit2848+12
−12
(+90)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−42
–   Vajolet2 1.28 64-bit2847+22
−22
(+89)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.0%
−1
–   Booot 5.1.02844+10
−10
(+86)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−56
–   Protector 1.3.4 64-bit2841+24
−24
(+83)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+55
–   Critter 0.60 64-bit2841+25
−25
(+83)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−17
–   SmarThink 1.50 64-bit2831+24
−24
(+73)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
0.0%
+20
–   Texel 1.02 64-bit2828+28
−28
(+70)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+59
–   NirvanaChess 1.8 64-bit2828+25
−25
(+70)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−87
–   Murka 3 64-bit2825+13
−13
(+67)2.5 − 11.5
(+0−9=5)
17.9%
2.5 / 14
0.0%
−152
–   NirvanaChess 1.6 64-bit2822+27
−27
(+64)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+64
–   NirvanaChess 1.5 64-bit2822+29
−29
(+64)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+64
–   Tornado 4.88 64-bit2820+15
−15
(+62)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.0%
+10
–   NirvanaChess 1.7 64-bit2812+31
−31
(+54)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.1%
−19
–   Arasan 17.0 64-bit2812+31
−31
(+54)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.2%
+203
–   Crafty 23.8 64-bit2812+23
−23
(+54)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+30
–   Deuterium 14.1.32.119 64-bit2809+25
−25
(+51)4.5 − 7.5
(+2−5=5)
37.5%
4.5 / 12
0.0%
−21
–   DiscoCheck 5.0.1 64-bit2805+33
−33
(+47)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
0.7%
−188
–   Crafty 24.1 64-bit2804+22
−22
(+46)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.1%
−INF
–   Hannibal 1.0a 32-bit2801+12
−12
(+43)5 − 9
(+2−6=6)
35.7%
5.0 / 14
0.0%
−39
–   Cheng4 0.36c 64-bit2799+18
−18
(+41)9.5 − 8.5
(+5−4=9)
52.8%
9.5 / 18
0.1%
+56
–   Hiarcs Paderborn 20072796+18
−18
(+38)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.2%
+38
–   Arasan 17.1 64-bit2792+31
−31
(+34)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
3.1%
+9
–   Loop 13.6 (Loop 2007) 64-bit2790+16
−16
(+32)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.5%
−118
–   Arasan 17.2 64-bit2789+28
−28
(+31)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
3.3%
−93
–   Crafty 23.6 64-bit2788+25
−25
(+30)2 − 4
(+1−3=2)
33.3%
2.0 / 6
2.8%
−74
–   Atlas 3.70em 64-bit2788+22
−22
(+30)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
1.8%
−95
–   Texel 1.01 64-bit2787+21
−21
(+29)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
2.0%
−30
–   Rodent 1.5 64-bit2785+21
−21
(+27)1 − 1
(+1−1=0)
50.0%
1.0 / 2
2.8%
+27
–   Glaurung 2.2 64-bit2783+16
−16
(+25)5 − 3
(+3−1=4)
62.5%
5.0 / 8
2.0%
+78
–   Arasan 16.3 64-bit2783+28
−28
(+25)5 − 5
(+4−4=2)
50.0%
5.0 / 10
7.0%
+25
–   Scorpio 2.7.6 64-bit2782+17
−17
(+24)17.5 − 14.5
(+12−9=11)
54.7%
17.5 / 32
2.6%
+50
–   Gaviota 0.86 64-bit2782+21
−21
(+24)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
4.5%
−11
–   Jonny 4.002779+11
−11
(+21)1 − 1
(+0−0=2)
50.0%
1.0 / 2
2.5%
+21
–   Bright 0.5c2778+12
−12
(+20)1 − 1
(+1−1=0)
50.0%
1.0 / 2
3.6%
+20
–   Scorpio 2.7.5 64-bit2778+27
−27
(+20)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
11.0%
−122
–   EXchess 7.31b 64-bit2777+27
−27
(+19)1 − 1
(+1−1=0)
50.0%
1.0 / 2
12.4%
+19
–   Rhetoric 1.4.1 64-bit2776+17
−18
(+18)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
7.5%
−34
–   Naraku 1.42776+16
−16
(+18)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
7.6%
+103
–   EXchess 7.18b 64-bit2775+23
−23
(+17)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
11.9%
+62
–   Frenzee 3.5.19 64-bit2775+14
−14
(+17)6.5 − 9.5
(+3−6=7)
40.6%
6.5 / 16
6.7%
−41
–   Octochess r5190 64-bit2772+15
−15
(+14)24 − 26
(+12−14=24)
48.0%
24.0 / 50
10.3%
+2
–   Crafty 24.0 64-bit2772+28
−28
(+14)4 − 6
(+3−5=2)
40.0%
4.0 / 10
20.0%
−54
–   EXchess 7.26b 64-bit2772+27
−27
(+14)10.5 − 7.5
(+8−5=5)
58.3%
10.5 / 18
19.2%
+68
–   Dirty 20Apr2013 64-bit2770+16
−16
(+12)12 − 20
(+7−15=10)
37.5%
12.0 / 32
16.3%
−72
–   Glaurung 2.1 64-bit2768+19
−19
(+10)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
21.6%
−21
–   Thinker 5.3b Passive 64-bit2766+24
−24
(+8)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
29.8%
+101
–   Texel 1.01 32-bit2765+28
−28
(+7)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
32.9%
+38
–   SmarThink 1.20 64-bit2764+18
−18
(+6)2 − 2
(+1−1=2)
50.0%
2.0 / 4
31.3%
+16
–   BugChess2 1.9 64-bit2762+14
−14
(+4)4 − 6
(+2−4=4)
40.0%
4.0 / 10
35.1%
−59
–   Rodent 1.4 64-bit2759+23
−23
(+1)1 − 1
(+0−0=2)
50.0%
1.0 / 2
45.7%
+1
–   DiscoCheck 4.3 64-bit2759+27
−27
(+1)11 − 9
(+6−4=10)
55.0%
11.0 / 20
46.9%
+22
–   Bison 9.11 64-bit2756+13
−13
(−2)9 − 7
(+7−5=4)
56.3%
9.0 / 16
56.9%
+36
–   Ktulu 92755+12
−12
(−3)1 − 1
(+1−1=0)
50.0%
1.0 / 2
59.4%
−3
–   Dirty 05Sep2012 64-bit2754+23
−23
(−4)1 − 3
(+1−3=0)
25.0%
1.0 / 4
59.0%
−203
–   Andscacs 0.64 64-bit2752+24
−24
(−6)10.5 − 11.5
(+3−4=15)
47.7%
10.5 / 22
65.2%
−20
–   NirvanaChess 1.3 64-bit2749+31
−31
(−9)2 − 2
(+2−2=0)
50.0%
2.0 / 4
68.9%
−9
–   Cheng4 0.36a 64-bit2748+30
−30
(−10)2 − 2
(+1−1=2)
50.0%
2.0 / 4
70.5%
−10
–   EXchess 7.11b 64-bit2743+31
−31
(−15)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
78.4%
+180
–   Rodent 1.3 64-bit2741+29
−29
(−17)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
83.6%
+10
–   Arasan 16.2 64-bit2741+33
−33
(−17)1 − 1
(+1−1=0)
50.0%
1.0 / 2
79.8%
−17
–   Chronos 1.9.9 64-bit2739+13
−13
(−19)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
95.2%
+18
–   Arasan 16.1 64-bit2739+31
−31
(−19)1 − 1
(+0−0=2)
50.0%
1.0 / 2
85.1%
−19
–   Toga II 1.2 32-bit2735+25
−25
(−23)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
91.9%
+180
–   Arasan 15.6 64-bit2730+30
−30
(−28)10.5 − 5.5
(+7−2=7)
65.6%
10.5 / 16
94.1%
+74
–   Deuterium 13.1.31.113 64-bit2729+26
−26
(−29)6 − 4
(+4−2=4)
60.0%
6.0 / 10
96.1%
+34
–   Octochess r5132 64-bit2729+31
−31
(−29)3 − 1
(+2−0=2)
75.0%
3.0 / 4
93.7%
+120
–   Godel 3.4.9 64-bit2727+14
−14
(−31)9.5 − 10.5
(+5−6=9)
47.5%
9.5 / 20
99.5%
−43
–   Bobcat 3.25 64-bit2725+17
−17
(−33)7 − 9
(+4−6=6)
43.8%
7.0 / 16
99.5%
−70
–   Octochess r4984 64-bit2724+31
−31
(−34)8.5 − 7.5
(+4−3=9)
53.1%
8.5 / 16
96.7%
−20
–   Cheng4 0.35a 64-bit2719+30
−30
(−39)2 − 0
(+2−0=0)
100.0%
2.0 / 2
98.4%
+INF
–   EXchess 7.03b 64-bit2719+32
−32
(−39)2.5 − 2.5
(+2−2=1)
50.0%
2.5 / 5
98.0%
−28
–   Arasan 16.0 64-bit2712+32
−32
(−46)3 − 1
(+2−0=2)
75.0%
3.0 / 4
99.2%
+96
–   Rhetoric 1.4 64-bit2707+26
−26
(−51)5 − 5
(+4−4=2)
50.0%
5.0 / 10
99.9%
−45
–   iCE 1.0 64-bit2706+17
−17
(−52)12 − 12
(+9−9=6)
50.0%
12.0 / 24
100.0%
−52
–   NirvanaChess 1.2 64-bit2702+30
−30
(−56)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
99.9%
+3
–   ProDeo 1.862701+30
−30
(−57)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
99.9%
−139
–   Rhetoric 1.2 64-bit2695+25
−25
(−63)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
+89
–   Chronos 1.9.8 64-bit2691+31
−32
(−67)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+186
–   Rodent 1.2 64-bit2691+32
−32
(−67)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+89
–   Atlas 3.60 64-bit2688+22
−23
(−70)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−70
–   EXchess 6.71b 64-bit2685+32
−32
(−73)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
+13
–   Daydreamer 1.75 64-bit2680+16
−16
(−78)2 − 4
(+1−3=2)
33.3%
2.0 / 6
100.0%
−191
–   Tucano 5.00 64-bit2679+18
−18
(−79)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+71
–   Rodent 1.0 64-bit2678+27
−27
(−80)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
+47
–   Deuterium 12.01.30.1070 64-bit2677+27
−27
(−81)2 − 1
(+2−1=0)
66.7%
2.0 / 3
100.0%
+52
–   ProDeo 1.852674+28
−28
(−84)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
100.0%
+111
–   RedQueen 1.1.3 64-bit2670+24
−24
(−88)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+201
–   Djinn 1.021 64-bit2668+14
−14
(−90)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+60
–   Tucano 4.00 64-bit2665+25
−25
(−93)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−93
–   Vajolet 2.032661+24
−24
(−97)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+60
–   Pawny 1.0 64-bit2660+17
−17
(−98)13 − 5
(+11−3=4)
72.2%
13.0 / 18
100.0%
+63
–   RedQueen 1.1.97 64-bit2660+17
−17
(−98)6.5 − 5.5
(+5−4=3)
54.2%
6.5 / 12
100.0%
−66
–   Atlas 3.50 64-bit2659+31
−31
(−99)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Godel 2.3.7 64-bit2657+23
−23
(−101)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−52
–   RedQueen 1.1.4 64-bit2653+28
−28
(−105)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+51
–   Alfil 13.1 64-bit2628+17
−17
(−130)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+105
–   Rotor 0.82628+17
−17
(−130)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+105
–   Pedone 0.5 64-bit2627+29
−29
(−131)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−223
–   Nebula 2.0 64-bit2622+14
−14
(−136)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+38

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019