CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Stockfish 1.9.1 64-bit 4CPU (3149+17
−17		)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 152 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Arasan 22.2 64-bit 4CPU3287+21
−21		(+138)5.5 − 10.5
(+1−6=9)		34.4%
5.5 / 16
0.0%
+35
–   Winter 0.9 64-bit 4CPU3282+17
−17		(+133)7.5 − 11.5
(+4−8=7)		39.5%
7.5 / 19
0.0%
+53
–   NirvanaChess 2.5 64-bit 4CPU3268+18
−18		(+119)7 − 13
(+1−7=12)		35.0%
7.0 / 20
0.0%
+21
–   Combusken 1.4.0 64-bit 4CPU3258+22
−22		(+109)6.5 − 11.5
(+2−7=9)		36.1%
6.5 / 18
0.0%
+12
–   Marvin 5.0.0 64-bit 4CPU3254+21
−21		(+105)7.5 − 12.5
(+2−7=11)		37.5%
7.5 / 20
0.0%
+20
–   Vajolet2 2.7 64-bit 4CPU3239+16
−16		(+90)6.5 − 13.5
(+1−8=11)		32.5%
6.5 / 20
0.0%
−27
–   Clover 2.3.1 64-bit 4CPU3219+22
−22		(+70)7 − 11
(+2−6=10)		38.9%
7.0 / 18
0.0%
−2
–   Houdini 1.5a 64-bit 4CPU3214+12
−12		(+65)16.5 − 32.5
(+4−20=25)
33.7%
16.5 / 49
0.0%
−46
–   RubiChess 1.5 64-bit 4CPU3210+23
−23		(+61)9.5 − 5.5
(+5−1=9)		63.3%
9.5 / 15
0.0%
+152
–   Rybka 4 64-bit 4CPU3187+9
−9		(+38)33 − 43
(+15−25=36)
43.4%
33.0 / 76
0.0%
−7
–   Rybka 4.1 64-bit 4CPU3185+9
−9		(+36)11.5 − 20.5
(+3−12=17)
35.9%
11.5 / 32
0.0%
−60
–   Arasan 20.4.1 64-bit 4CPU3159+22
−22		(+10)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
24.2%
+45
–   Winter 0.7 64-bit 4CPU3145+23
−23		(−4)13 − 11
(+8−6=10)		54.2%
13.0 / 24
60.9%
+27
–   Stockfish 1.8 64-bit 4CPU3144+15
−15		(−5)15 − 18
(+3−6=24)
45.5%
15.0 / 33
67.0%
−34
–   Critter 0.90 64-bit 4CPU3107+26
−26		(−42)19.5 − 14.5
(+9−4=21)
57.4%
19.5 / 34
99.7%
+7
–   Naum 4.2 64-bit 4CPU3092+9
−9		(−57)29.5 − 18.5
(+17−6=25)
61.5%
29.5 / 48
100.0%
+22
–   Deep Shredder 12 64-bit 4CPU3045+9
−9		(−104)26.5 − 13.5
(+18−5=17)
66.3%
26.5 / 40
100.0%
+13
–   Zappa Mexico II 64-bit 4CPU2993+9
−9		(−156)46.5 − 19.5
(+29−2=35)
70.5%
46.5 / 66
100.0%
−20
–   Spark 0.5 64-bit 4CPU2981+22
−22		(−168)39 − 20
(+27−8=24)
66.1%
39.0 / 59
100.0%
−51
–   Deep Sjeng WC2008 64-bit 4CPU2944+11
−11		(−205)52.5 − 14.5
(+40−2=25)
78.4%
52.5 / 67
100.0%
−1
–   Thinker 5.4c Inert 64-bit 4CPU2943+13
−13		(−206)63.5 − 12.5
(+52−1=23)
83.6%
63.5 / 76
100.0%
+44
–   Bright 0.5c 4CPU2907+20
−20		(−242)40.5 − 8.5
(+33−1=15)
82.7%
40.5 / 49
100.0%
+1
809 games: 279 wins, 150 losses, 380 draws (47.0%), score: 58.0%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024