CCRL 40/40
Downloads and Statistics
May 18, 2019
Testing summary:
Total: 1'044'560 games
played by 2'452 programs
143157 CPU days (X2 4600+)

White wins: 363'036 (34.8%)
Black wins: 270'297 (25.9%)
Draws: 411'227 (39.4%)
White score: 54.4%

Engine Details

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Show each game results
Stockfish 1.5.1 32-bit (2864+15
−15
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 99 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Alfil 15.7 64-bit3057+13
−13
(+193)1 − 5
(+0−4=2)
16.7%
1.0 / 6
0.0%
−39
0 0 = = 0 0
–   SmarThink 1.96 64-bit3007+20
−20
(+143)5 − 7
(+2−4=6)
41.7%
5.0 / 12
0.0%
+90
1 = = 0 0 1 0 = 0 = = =
–   Defenchess (SCTR) 1.1f 64-bit2995+13
−13
(+131)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+41
0 = = 0 = =
–   Rybka 3 32-bit2994+13
−12
(+130)10 − 24
(+3−17=14)
29.4%
10.0 / 34
0.0%
−2
= 0 0 0 0 = = = 0 1 0 0 0 0 = = = 0 = 0 0 = 0 0 0 = 1 = = = 0 = 0 1
–   Gull R375 64-bit2985+20
−20
(+121)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Naum 4.2 64-bit2977+9
−9
(+113)7.5 − 15.5
(+3−11=9)
32.6%
7.5 / 23
0.0%
0
1 = 1 0 0 0 0 = = = = = 0 = 0 0 0 0 = = 0 0 1
–   Vajolet2 2.4 64-bit2968+21
−21
(+104)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+72
0 = 0 1 = = 0 = = 1
–   Vajolet2 2.2 64-bit2961+19
−19
(+97)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−57
= = 0 = 0 0 0 = 0 =
–   Hakkapeliitta 3.0 64-bit2954+11
−12
(+90)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+148
1 1 0 = = = 0 = 1 1
–   Arasan 20.0 64-bit2947+26
−26
(+83)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−44
0 = 0 = 0 0 = 0 = 1
–   Wasp 2.6 64-bit2946+13
−13
(+82)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+82
0 1
–   Deep Shredder 12 64-bit2940+9
−10
(+76)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+27
1 = 0 0 = 0 = 1
–   SmarThink 1.80 64-bit2939+25
−25
(+75)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−99
0 1 0 0 = = 0 = 0 0
–   Rodent III 0.210 64-bit2936+19
−19
(+72)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+66
1 = = = 0 0 1 =
–   Wasp 2.00 64-bit2930+26
−26
(+66)6 − 10
(+3−7=6)
37.5%
6.0 / 16
0.0%
−19
1 1 0 = 0 = 0 = 0 0 0 1 = = 0 =
–   Naum 4 32-bit2930+14
−14
(+66)12.5 − 21.5
(+3−12=19)
36.8%
12.5 / 34
0.0%
−9
= 0 = 0 = = 1 = = = 0 0 0 0 = 0 = = = 0 = 0 1 = = = = 1 0 0 = 0 = =
–   Shredder 12 32-bit2929+8
−7
(+65)34 − 62
(+15−43=38)
35.4%
34.0 / 96
0.0%
−29
0 1 0 = = 0 = 0 = 0 0 1 0 0 0 = = 0 = = = 0 0 = = = 1 0 = 1 1 0 1 0 = = 0 = 0 0 1 0 = 0 1 0 = 0 = = 0 = 1 = = 1 0 0 1 0 0 0 1 0 = = 0 = 0 = 1 = = 0 = 0 = 0 1 = 1 0 0 0 = 0 0 = = 0 0 = 0 0 = =
–   Hannibal 1.3 32-bit2928+18
−18
(+64)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+123
1 = = =
–   Wasp 2.01 64-bit2925+20
−20
(+61)6 − 10
(+2−6=8)
37.5%
6.0 / 16
0.0%
−13
= 0 1 = = 0 0 = 0 = = 1 = = 0 0
–   Texel 1.03 64-bit2924+24
−25
(+60)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.0%
−143
0 0 0 0 0 1 0 1 = 0
–   Cheng 4.39 64-bit2921+11
−11
(+57)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+25
0 1 0 = = = 0 = = 1
–   Gull 1.2 64-bit2920+15
−15
(+56)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−36
= 0 1 0
–   SmarThink 1.70 64-bit2918+16
−16
(+54)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
0.0%
+155
0 0 1 = 1 1 = 1 1 =
–   Spike 1.4 Leiden2915+8
−8
(+51)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+133
0 = 1 1
–   Rybka 2.3.2a 32-bit2912+9
−9
(+48)12.5 − 17.5
(+7−12=11)
41.7%
12.5 / 30
0.0%
−6
= 0 0 = 0 1 0 = 1 0 = 1 = 1 0 1 0 = = = 0 = = 0 = 1 0 0 1 0
–   Amoeba 2.6 64-bit2911+20
−20
(+47)2 − 6
(+2−6=0)
25.0%
2.0 / 8
0.0%
−184
0 0 0 1 0 0 1 0
–   Wasp 1.25 64-bit2908+22
−22
(+44)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.1%
−15
0 = 0 0 1 = = = = =
–   Arasan 19.0.1 64-bit2907+26
−26
(+43)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.3%
+43
= = 1 0 = = 1 0 = =
–   Protector 1.4.0 64-bit2904+14
−14
(+40)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.0%
+77
1 = = = 0 1 1 0
–   Hannibal 1.2 32-bit2904+14
−14
(+40)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−110
= = 0 0
–   Atlas 3.91 64-bit2899+15
−15
(+35)6 − 6
(+3−3=6)
50.0%
6.0 / 12
0.1%
+31
0 = = 1 0 = 0 = 1 1 = =
–   Rybka 1.2 64-bit2898+19
−19
(+34)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.3%
−48
= 0 0 1
–   chess22k 1.7 64-bit2898+22
−22
(+34)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
0.5%
−32
0 = 0 1 0 = 0 = = 1 0 1 0 = 1 0
–   Fizbo 1.31 64-bit2894+21
−22
(+30)5 − 5
(+2−2=6)
50.0%
5.0 / 10
1.3%
+30
= 1 = 1 0 = 0 = = =
–   Booot 5.2.0 64-bit2894+15
−15
(+30)5.5 − 8.5
(+2−5=7)
39.3%
5.5 / 14
0.3%
−26
1 0 = 0 = 0 = 1 = = 0 = = 0
–   DiscoCheck 5.2.1 64-bit2894+15
−15
(+30)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.2%
−37
0 = 0 1 0 = = = 1 0
–   Spark 1.0 64-bit2893+12
−12
(+29)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.1%
+96
= = 1 =
–   Fritz 122886+11
−11
(+22)12.5 − 17.5
(+3−8=19)
41.7%
12.5 / 30
0.9%
−24
= = = = 0 = = 0 1 = 0 = 0 = 0 = = = = = 0 1 0 0 = = = 1 = =
–   Scorpio 2.8 64-bit2886+15
−15
(+22)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
1.9%
−8
0 1 = = 0 1 1 = 0 = 0 =
–   Quazar 0.4 32-bit2879+12
−12
(+15)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
6.9%
−269
= 0 0 0
–   Rybka 1.2 32-bit2870+18
−18
(+6)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
32.3%
+88
1 0 = 1
–   Thinker 5.4d Inert 64-bit2864+15
−15
(0)2 − 2
(+0−0=4)
50.0%
2.0 / 4
51.0%
0
= = = =
–   Gaviota 1.0 64-bit2859+11
−11
(−5)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
71.9%
+22
1 0 1 = 0 1 = = = =
–   Dirty 30Apr2017 64-bit2856+15
−15
(−8)8.5 − 7.5
(+4−3=9)
53.1%
8.5 / 16
79.6%
+8
= = = 1 0 = 1 1 = = 1 = 0 = = 0
–   Toga II 3.02850+16
−15
(−14)3 − 1
(+2−0=2)
75.0%
3.0 / 4
89.9%
+136
= = 1 1
–   Naum 3 32-bit2850+18
−18
(−14)5 − 3
(+3−1=4)
62.5%
5.0 / 8
89.2%
+59
= = = = 1 1 1 0
–   Thinker 5.4c Inert 32-bit2849+13
−13
(−15)20.5 − 21.5
(+9−10=23)
48.8%
20.5 / 42
94.3%
−17
= 1 = 1 0 1 0 = = 1 = 1 0 0 = = = = 1 = 0 = = = 0 = 1 0 0 0 = = = 0 = 1 = = = 1 = =
–   SmarThink 1.60 64-bit2846+32
−32
(−18)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
85.5%
−44
= 0 0 0 = 1 = 1 0 1
–   Fruit Reloaded 3.2.1 64-bit2830+13
−13
(−34)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
+1
= 1 = = = 0 = 1 0 1
–   MinkoChess 1.3 32-bit2829+31
−31
(−35)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
97.8%
−3
= = 1 1 0 = = 0 = 1
–   Cyclone xTreme Fury2827+19
−19
(−37)10.5 − 13.5
(+4−7=13)
43.8%
10.5 / 24
99.9%
−75
0 = 0 = = = 1 1 = 0 0 1 = = 0 = = = 1 0 = = = 0
–   Grapefruit 1.0 32-bit2826+9
−9
(−38)18 − 20
(+12−14=12)
47.4%
18.0 / 38
100.0%
−56
0 0 = 1 1 0 0 0 0 1 = = 1 1 1 = 0 = = 1 0 = 1 1 0 1 1 = 0 = 1 0 = = 0 0 = 0
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−39)17.5 − 16.5
(+9−8=17)
51.5%
17.5 / 34
100.0%
−29
= 1 0 = 1 0 = = 1 1 1 = 1 0 1 0 = = = = = = 0 = = 1 = 0 = 1 = = 0 0
–   Murka 3 64-bit2824+13
−13
(−40)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−122
0 1 = 0
–   NirvanaChess 1.6 64-bit2821+27
−27
(−43)4 − 6
(+2−4=4)
40.0%
4.0 / 10
99.7%
−107
= = 1 0 0 = = 0 1 0
–   Cyclone xTreme Rage2820+25
−25
(−44)25 − 11
(+16−2=18)
69.4%
25.0 / 36
99.9%
+71
= = 1 1 = 1 = = 1 = 1 1 = 1 1 1 1 = = 1 = = 1 = 1 = = 0 1 0 = = = 1 1 =
–   Hiarcs 12.12817+11
−11
(−47)21 − 13
(+11−3=20)
61.8%
21.0 / 34
100.0%
+20
= 1 = = 1 = = 1 0 = = = = = = = = = = 1 1 1 1 = 1 0 = 1 = 1 = 0 1 =
–   Hiarcs 12 Sharpen PV On2813+13
−14
(−51)17 − 13
(+8−4=18)
56.7%
17.0 / 30
100.0%
−13
1 = = = 1 1 0 = = 1 1 1 = = = 1 0 0 1 = = = = = = = = = = 0
–   Rodent II 0.8.7 64-bit2809+27
−27
(−55)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+97
1 0 = = 1 1 1 0 1 1
–   Zappa Mexico II 32-bit2809+12
−12
(−55)18 − 16
(+9−7=18)
52.9%
18.0 / 34
100.0%
−36
= = = 0 = = = 1 1 = 0 0 1 0 = 1 = = = 0 1 0 = 1 = 1 = 1 = = = 1 = 0
–   Protector 1.3.1b 32-bit2801+23
−23
(−63)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−3
= = = 1
–   Spark 0.3 32-bit2797+16
−16
(−67)23 − 13
(+16−6=14)
63.9%
23.0 / 36
100.0%
+21
1 1 0 1 0 1 1 = 1 1 1 1 = = 1 = = 1 = = 1 = 0 1 0 = = 0 0 1 = = = = 1 1
–   Onno 1.1.1 32-bit2796+18
−18
(−68)22 − 12
(+15−5=14)
64.7%
22.0 / 34
100.0%
+27
1 1 1 = 1 = 1 1 1 0 1 1 = 1 = = 1 1 = = = = = 0 = 1 = 0 1 = 0 = 1 0
–   Doch 09.980 32-bit2795+19
−19
(−69)23.5 − 10.5
(+18−5=11)
69.1%
23.5 / 34
100.0%
+60
= 1 = 1 1 1 1 1 0 1 = 1 0 1 1 1 = 1 = 1 0 0 0 1 = = 1 = 1 = 1 1 = =
–   Nemo 1.0.1 32-bit2794+29
−29
(−70)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+87
= 1 = 1
–   Onno 1.0 32-bit2793+18
−18
(−71)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
+80
1 0 1 0 = = = 1 = 1 1 1 1 = 1 1 1 = 1 = = 1 1 = 1 = 1 = 1 =
–   Bright 0.4a2776+10
−10
(−88)23.5 − 13.5
(+15−5=17)
63.5%
23.5 / 37
100.0%
−6
0 = = = 0 1 = = = 0 0 = 1 1 1 1 0 1 = = = 1 = = 1 1 1 1 1 1 = = 1 = = = 1
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10
(−91)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
+47
1 = 0 = 1 = 1 = 1 1 = 1 1 1 = 1 1 1 1 = = = = = 1 1 1 = 1 1 0 = = =
–   SmarThink 1.20 32-bit2747+16
−16
(−117)15 − 5
(+12−2=6)
75.0%
15.0 / 20
100.0%
+54
1 1 0 = 1 = = 1 1 1 1 = 0 1 = 1 1 1 1 =
–   Spike 1.2 Turin2745+7
−7
(−119)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+32
1 = = 1 1 = 1 1 1 = = 1 1 = = = 0 1 1 = 1 = 1 0 1 1 1 1 = 1 = =
–   Twisted Logic 20090922 32-bit2730+19
−19
(−134)32 − 8
(+25−1=14)
80.0%
32.0 / 40
100.0%
+68
= 1 1 0 = 1 = = 1 1 1 1 1 1 = 1 1 1 = = 1 = 1 1 = 1 = 1 1 1 1 1 = 1 1 = = 1 1 =
–   Twisted Logic 200806202723+16
−16
(−141)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−29
= 1 = = = = 0 = = = = 1 1 1 0 = 1 = 1 1 1 = 1 1 = 1 = 1 1 = = 1
–   Naum 2.0 32-bit2697+15
−15
(−167)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−49
0 1 1 1 = = 1 = = = 1 1 = 1 1 1 1 1 = = 1 = = 1 = 0 0 = 1 1 = =
–   Frenzee Feb08 32-bit2695+13
−13
(−169)28 − 12
(+22−6=12)
70.0%
28.0 / 40
100.0%
−35
= 0 0 1 = 1 1 1 1 1 = 0 1 = 1 1 = 1 = 1 1 1 1 1 1 1 = 0 1 0 = 0 = 1 = 1 = 1 = 1
–   Booot 4.15.02693+14
−14
(−171)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+22
1 1 1 = = 1 1 1 1 1 = 1 = 1 1 = = 1 1 1 1 = 1 = 1 1 1 = 1 1 = = = = 1 = 1 0 1 =
–   Delfi 5.42689+12
−12
(−175)30 − 10
(+24−4=12)
75.0%
30.0 / 40
100.0%
0
1 1 1 = = 1 1 1 1 1 = 1 = 0 1 = = = 1 = 1 1 = 1 1 = 1 0 1 1 1 = 1 1 1 0 1 = 0 1
–   Crafty 23.1 32-bit2686+18
−18
(−178)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+30
1 0 1 = = 1 = 1 1 1 = 1 1 = 1 1 = 1 1 = 1 1 = 1 = 1 1 1 = 1
–   Movei 00.8.438 (10 10 10)2668+11
−11
(−196)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−30
1 = = = = = 1 1 = 1 1 = 1 1 1 = = 1 1 = 1 = = 1 1 = 1 1 1 1 = =
–   E.T. Chess 13.01.082649+13
−13
(−215)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+75
1 = 1 1
–   Cyrano 0.6b17 32-bit2648+14
−14
(−216)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+71
1 = 1 1 1 1 1 =
–   Hamsters 0.7.12618+14
−14
(−246)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−246
1 = = 0
–   Scorpio 2.2 32-bit2569+29
−29
(−295)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−227
= 1 = =

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Created in 2005-2013 by CCRL team
Last games added on May 18, 2019