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 1.5.1 32-bit (2879+12
−12		)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
–   Bit-Genie 9 64-bit3101+11
−11		(+222)1 − 5
(+0−4=2)		16.7%
1.0 / 6
0.0%
−23
–   Alfil 15.7 64-bit3091+11
−11		(+212)1 − 5
(+0−4=2)		16.7%
1.0 / 6
0.0%
−31
–   SmarThink 1.96 64-bit3036+17
−17		(+157)5 − 7
(+2−4=6)		41.7%
5.0 / 12
0.0%
+95
–   Rybka 3 32-bit3027+9
−9		(+148)10 − 24
(+3−17=14)
29.4%
10.0 / 34
0.0%
0
–   Defenchess 1.1f 64-bit3027+11
−11		(+148)2 − 4
(+0−2=4)		33.3%
2.0 / 6
0.0%
+44
–   Gull R375 64-bit3013+16
−16		(+134)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Naum 4.2 64-bit3000+8
−8		(+121)7.5 − 15.5
(+3−11=9)		32.6%
7.5 / 23
0.0%
−7
–   Vajolet2 2.4 64-bit2996+18
−18		(+117)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+81
–   Vajolet2 2.2 64-bit2986+16
−16		(+107)2.5 − 7.5
(+0−5=5)		25.0%
2.5 / 10
0.0%
−62
–   SlowChess Blitz Classic 1.5 64-bit2980+19
−19		(+101)6.5 − 13.5
(+2−9=9)		32.5%
6.5 / 20
0.0%
−18
–   Hakkapeliitta 3.0 64-bit2979+10
−10		(+100)6 − 4
(+4−2=4)		60.0%
6.0 / 10
0.0%
+168
–   Wasp 2.6 64-bit2970+11
−11		(+91)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+91
–   Arasan 20.0 64-bit2970+22
−22		(+91)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−51
–   SmarThink 1.80 64-bit2962+22
−22		(+83)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
−105
–   Deep Shredder 12 64-bit2961+8
−8		(+82)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+24
–   Rodent III 0.210 64-bit2960+16
−16		(+81)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+75
–   Naum 4 32-bit2955+11
−11		(+76)12.5 − 21.5
(+3−12=19)
36.8%
12.5 / 34
0.0%
−12
–   Hannibal 1.3 32-bit2952+15
−15		(+73)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+144
–   Shredder 12 32-bit2952+6
−6		(+73)34 − 62
(+15−43=38)
35.4%
34.0 / 96
0.0%
−34
–   Wasp 2.00 64-bit2951+21
−21		(+72)6 − 10
(+3−7=6)		37.5%
6.0 / 16
0.0%
−24
–   Wasp 2.01 64-bit2947+17
−17		(+68)6 − 10
(+2−6=8)		37.5%
6.0 / 16
0.0%
−18
–   Texel 1.03 64-bit2946+21
−21		(+67)2.5 − 7.5
(+2−7=1)		25.0%
2.5 / 10
0.0%
−147
–   Gull 1.2 64-bit2942+12
−12		(+63)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−39
–   Cheng 4.39 64-bit2941+9
−9		(+62)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+26
–   SmarThink 1.70 64-bit2938+14
−14		(+59)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
0.0%
+175
–   Francesca MAD 0.29 64-bit2937+18
−18		(+58)3 − 9
(+1−7=4)		25.0%
3.0 / 12
0.0%
−129
–   Spike 1.4 Leiden2935+6
−6		(+56)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+150
–   Rybka 2.3.2a 32-bit2933+7
−7		(+54)12.5 − 17.5
(+7−12=11)
41.7%
12.5 / 30
0.0%
−9
–   Amoeba 2.6 64-bit2932+17
−17		(+53)2 − 6
(+2−6=0)		25.0%
2.0 / 8
0.0%
−189
–   Rybka 1.2 64-bit2928+14
−14		(+49)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−45
–   Wasp 1.25 64-bit2927+19
−19		(+48)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
−21
–   Hannibal 1.2 32-bit2925+12
−12		(+46)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−120
–   Arasan 19.0.1 64-bit2924+21
−21		(+45)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.0%
+44
–   Protector 1.4.0 64-bit2922+11
−11		(+43)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
0.0%
+88
–   chess22k 1.7 64-bit2919+19
−19		(+40)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
0.0%
−35
–   Atlas 3.91 64-bit2916+11
−11		(+37)6 − 6
(+3−3=6)		50.0%
6.0 / 12
0.0%
+33
–   Booot 5.2.0 64-bit2912+13
−13		(+33)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
0.0%
−34
–   DiscoCheck 5.2.1 64-bit2912+13
−13		(+33)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
−44
–   Fizbo 1.31 64-bit2911+19
−19		(+32)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.2%
+32
–   Spark 1.0 64-bit2911+10
−10		(+32)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+109
–   Fritz 122907+9
−9		(+28)12.5 − 17.5
(+3−8=19)
41.7%
12.5 / 30
0.0%
−27
–   Scorpio 2.8 64-bit2905+11
−11		(+26)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
0.1%
−9
–   Nalwald 15 64-bit2901+19
−19		(+22)6.5 − 9.5
(+3−6=7)		40.6%
6.5 / 16
2.2%
−50
–   Quazar 0.4 32-bit2897+10
−10		(+18)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
1.0%
−272
–   Rybka 1.2 32-bit2882+14
−14		(+3)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
37.3%
+97
–   Thinker 5.4d Inert 64-bit2881+13
−13		(+2)2 − 2
(+0−0=4)		50.0%
2.0 / 4
38.5%
+2
–   Gaviota 1.0 64-bit2875+9
−9		(−4)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
66.9%
+29
–   Dirty 30Apr2017 64-bit2871+13
−13		(−8)8.5 − 7.5
(+4−3=9)		53.1%
8.5 / 16
80.2%
+11
–   Minic 1.39 64-bit2870+23
−23		(−9)6 − 6
(+4−4=4)		50.0%
6.0 / 12
74.4%
−13
–   Bit-Genie 8 64-bit2870+22
−22		(−9)5 − 5
(+2−2=6)		50.0%
5.0 / 10
75.0%
−9
–   Naum 3 32-bit2869+14
−14		(−10)5 − 3
(+3−1=4)		62.5%
5.0 / 8
83.7%
+74
–   Thinker 5.4c Inert 32-bit2864+11
−11		(−15)20.5 − 21.5
(+9−10=23)
48.8%
20.5 / 42
96.1%
−18
–   Toga II 3.02863+13
−13		(−16)3 − 1
(+2−0=2)		75.0%
3.0 / 4
95.6%
+150
–   SmarThink 1.60 64-bit2859+28
−28		(−20)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
90.5%
−51
–   Fruit Reloaded 3.2.1 64-bit2851+11
−11		(−28)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
100.0%
+12
–   Cyclone xTreme Fury2840+17
−17		(−39)10.5 − 13.5
(+4−7=13)		43.8%
10.5 / 24
100.0%
−84
–   Grapefruit 1.0 32-bit2838+8
−8		(−41)18 − 20
(+12−14=12)
47.4%
18.0 / 38
100.0%
−63
–   Deep Sjeng WC2008 32-bit2838+11
−11		(−41)17.5 − 16.5
(+9−8=17)
51.5%
17.5 / 34
100.0%
−29
–   Murka 3 64-bit2833+10
−10		(−46)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−140
–   MinkoChess 1.3 32-bit2832+25
−25		(−47)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
100.0%
−9
–   Cyclone xTreme Rage2832+22
−22		(−47)25 − 11
(+16−2=18)
69.4%
25.0 / 36
100.0%
+83
–   Hiarcs 12.12828+9
−9		(−51)21 − 13
(+11−3=20)
61.8%
21.0 / 34
100.0%
+27
–   Hiarcs 12 Sharpen PV On2824+12
−12		(−55)17 − 13
(+8−4=18)
56.7%
17.0 / 30
100.0%
−11
–   NirvanaChess 1.6 64-bit2822+22
−22		(−57)4 − 6
(+2−4=4)		40.0%
4.0 / 10
100.0%
−134
–   Zappa Mexico II 32-bit2820+10
−10		(−59)18 − 16
(+9−7=18)
52.9%
18.0 / 34
100.0%
−37
–   Rodent II 0.8.7 64-bit2815+22
−22		(−64)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+107
–   Protector 1.3.1b 32-bit2812+20
−20		(−67)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
+4
–   Spark 0.3 32-bit2808+14
−14		(−71)23 − 13
(+16−6=14)
63.9%
23.0 / 36
100.0%
+31
–   Doch 09.980 32-bit2807+16
−16		(−72)23.5 − 10.5
(+18−5=11)
69.1%
23.5 / 34
100.0%
+72
–   Onno 1.0 32-bit2807+15
−15		(−72)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
+94
–   Onno 1.1.1 32-bit2806+15
−15		(−73)22 − 12
(+15−5=14)
64.7%
22.0 / 34
100.0%
+36
–   Nemo 1.0.1 32-bit2803+24
−24		(−76)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+94
–   Bright 0.4a2784+8
−8		(−95)23.5 − 13.5
(+15−5=17)
63.5%
23.5 / 37
100.0%
0
–   Loop 13.6 (Loop 2007)2780+8
−8		(−99)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
+55
–   Spike 1.2 Turin2750+6
−6		(−129)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+38
–   SmarThink 1.20 32-bit2750+14
−14		(−129)15 − 5
(+12−2=6)		75.0%
15.0 / 20
100.0%
+57
–   Twisted Logic 20090922 32-bit2732+16
−16		(−147)32 − 8
(+25−1=14)
80.0%
32.0 / 40
100.0%
+69
–   Twisted Logic 200806202725+14
−14		(−154)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−27
–   Naum 2.0 32-bit2696+13
−13		(−183)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−49
–   Frenzee Feb08 32-bit2692+11
−11		(−187)28 − 12
(+22−6=12)
70.0%
28.0 / 40
100.0%
−36
–   Booot 4.15.02692+11
−11		(−187)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+19
–   Delfi 5.42688+10
−10		(−191)30 − 10
(+24−4=12)
75.0%
30.0 / 40
100.0%
0
–   Crafty 23.1 32-bit2683+16
−16		(−196)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+26
–   Movei 00.8.438 (10 10 10)2662+9
−9		(−217)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−36
–   E.T. Chess 13.01.082644+11
−11		(−235)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+57
–   Cyrano 0.6b17 32-bit2639+12
−12		(−240)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+51
–   Hamsters 0.7.12605+11
−11		(−274)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−274
–   Scorpio 2.2 32-bit2554+24
−24		(−325)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−247
1562 games: 515 wins, 375 losses, 672 draws (43.0%), score: 54.5%

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