CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 12 64-bit 4CPU (3514+19
−19
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ShashChess 15.0 64-bit 4CPU3528+23
−22
(+14)16 − 16
(+0−0=32)
50.0%
16.0 / 32
16.2%
+14
–   SugaR AI 1.00 64-bit 4CPU3516+26
−26
(+2)16 − 16
(+0−0=32)
50.0%
16.0 / 32
44.9%
+2
–   Dragon by Komodo 64-bit 4CPU3496+15
−15
(−18)41 − 36
(+5−0=72)
53.2%
41.0 / 77
93.4%
−1
–   SugaR NN 1.1 64-bit 4CPU3469+16
−15
(−45)20 − 12
(+8−0=24)
62.5%
20.0 / 32
100.0%
+19
–   ShashChess 8.0 64-bit 4CPU3441+15
−15
(−73)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
+11
–   Komodo 14 64-bit 4CPU3414+18
−18
(−100)19.5 − 12.5
(+8−1=23)
60.9%
19.5 / 32
100.0%
−39
–   Komodo 13.3 64-bit 4CPU3411+21
−21
(−103)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+23
–   Houdini 6 64-bit 4CPU3397+10
−10
(−117)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
−31
–   SlowChess Blitz 2.5 64-bit 4CPU3394+18
−18
(−120)21.5 − 10.5
(+11−0=21)
67.2%
21.5 / 32
100.0%
−25
–   Ethereal 12.75 64-bit 4CPU3390+15
−15
(−124)21.5 − 8.5
(+13−0=17)
71.7%
21.5 / 30
100.0%
+3
–   Nemorino 6.00 64-bit 4CPU3382+17
−17
(−132)22.5 − 9.5
(+13−0=19)
70.3%
22.5 / 32
100.0%
−15
–   Ethereal 12.25 64-bit 4CPU3361+22
−22
(−153)22 − 10
(+13−1=18)
68.8%
22.0 / 32
100.0%
−45
–   SlowChess Blitz 2.4 64-bit 4CPU3355+22
−21
(−159)23.5 − 6.5
(+17−0=13)
78.3%
23.5 / 30
100.0%
+19
–   SlowChess Blitz 2.3 64-bit 4CPU3340+20
−20
(−174)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+36
–   Xiphos 0.6 64-bit 4CPU3328+13
−13
(−186)24 − 8
(+16−0=16)
75.0%
24.0 / 32
100.0%
−33
–   SlowChess Blitz Classic 2.2 64-bit 4CPU3326+20
−20
(−188)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−59
–   Fire 7.1 64-bit 4CPU3319+11
−11
(−195)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+16
–   RofChade 2.3 64-bit 4CPU3310+14
−14
(−204)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+23
–   Pedone 3.0 64-bit 4CPU3301+18
−18
(−213)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
+74
–   Booot 6.4 64-bit 4CPU3296+15
−15
(−218)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−22
–   RubiChess 1.8 64-bit 4CPU3291+19
−19
(−223)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+43
–   Laser 1.7 64-bit 4CPU3284+13
−13
(−230)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−64
–   Defenchess 2.2 64-bit 4CPU3277+14
−14
(−237)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+29
–   Deep Shredder 13 64-bit 4CPU3276+10
−10
(−238)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+25
–   Fritz 17 64-bit 4CPU3274+16
−16
(−240)29 − 3
(+26−0=6)
90.6%
29.0 / 32
100.0%
+100

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021