CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
White score: 54.5%

Engine Details

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Show each game results
Stockfish 1.5.1 32-bit (2863+15
−15		)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 124 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Alfil 15.7 64-bit3056+13
−13		(+193)1 − 5
(+0−4=2)		16.7%
1.0 / 6
0.0%
−39
0 0 = = 0 0
–   SmarThink 1.96 64-bit3005+20
−20		(+142)5 − 7
(+2−4=6)		41.7%
5.0 / 12
0.0%
+89
1 = 0 = 0 = = = = 0 0 1
–   Defenchess 1.1f 64-bit2996+12
−12		(+133)2 − 4
(+0−2=4)		33.3%
2.0 / 6
0.0%
+43
0 = = 0 = =
–   Rybka 3 32-bit2995+12
−12		(+132)10 − 24
(+3−17=14)
29.4%
10.0 / 34
0.0%
0
= 0 0 0 0 = = = 0 1 0 1 0 0 0 = = = 0 = 0 0 = 0 0 0 = 1 = = = 0 = 0
–   Gull R375 64-bit2986+19
−19		(+123)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Naum 4.2 64-bit2975+9
−9		(+112)7.5 − 15.5
(+3−11=9)		32.6%
7.5 / 23
0.0%
−1
1 = 1 0 0 0 0 = = = = = 0 = 0 0 0 0 = = 0 0 1
–   Vajolet2 2.4 64-bit2968+21
−21		(+105)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+73
= = 0 = = 1 0 = 0 1
–   Vajolet2 2.2 64-bit2960+19
−19		(+97)2.5 − 7.5
(+0−5=5)		25.0%
2.5 / 10
0.0%
−57
= = 0 0 0 = 0 = 0 =
–   SlowChess Blitz Classic 1.5 64-bit2955+22
−22		(+92)6.5 − 13.5
(+2−9=9)		32.5%
6.5 / 20
0.0%
−12
= 1 0 = 0 0 = = = 0 = 0 = = 0 0 0 0 = 1
–   Hakkapeliitta 3.0 64-bit2953+12
−12		(+90)6 − 4
(+4−2=4)		60.0%
6.0 / 10
0.0%
+148
0 = = = 1 1 0 = 1 1
–   Wasp 2.6 64-bit2946+13
−13		(+83)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+83
0 1
–   Arasan 20.0 64-bit2944+26
−26		(+81)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−46
= 1 0 = 0 = 0 0 = 0
–   SmarThink 1.80 64-bit2938+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
–   Deep Shredder 12 64-bit2938+10
−9		(+75)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+26
= 0 = 1 1 = 0 0
–   Rodent III 0.210 64-bit2936+19
−19		(+73)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+67
= = 0 0 1 = 1 =
–   Naum 4 32-bit2930+13
−13		(+67)12.5 − 21.5
(+3−12=19)
36.8%
12.5 / 34
0.0%
−8
= 0 = 0 = = 1 = = = 0 = 0 0 0 = 0 = = = 0 = 0 1 = = = = 1 0 0 = 0 =
–   Wasp 2.00 64-bit2930+26
−26		(+67)6 − 10
(+3−7=6)		37.5%
6.0 / 16
0.0%
−18
1 1 0 = 0 = 0 = 0 0 0 1 = = 0 =
–   Hannibal 1.3 32-bit2929+17
−17		(+66)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+125
1 = = =
–   Shredder 12 32-bit2929+7
−7		(+66)34 − 62
(+15−43=38)
35.4%
34.0 / 96
0.0%
−28
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 = = 0 0 = 0 0 = = 0 0 1 0 0 0 0 = 0 = 1 = = 0 = 0 0 0 0 = = 0 1 = 1
–   Wasp 2.01 64-bit2925+20
−20		(+62)6 − 10
(+2−6=8)		37.5%
6.0 / 16
0.0%
−12
0 = = 1 = 0 1 = = 0 0 = = = 0 0
–   Texel 1.03 64-bit2923+25
−24		(+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-bit2919+10
−11		(+56)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+24
0 = = 1 0 1 0 = = =
–   Gull 1.2 64-bit2918+15
−15		(+55)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−37
= 0 1 0
–   SmarThink 1.70 64-bit2917+16
−16		(+54)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
0.0%
+155
1 = 0 0 1 = 1 1 = 1
–   Spike 1.4 Leiden2914+8
−8		(+51)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+133
0 = 1 1
–   Francesca MAD 0.29 64-bit2913+21
−21		(+50)3 − 9
(+1−7=4)		25.0%
3.0 / 12
0.0%
−120
0 = 1 = 0 0 = 0 = 0 0 0
–   Rybka 2.3.2a 32-bit2912+9
−9		(+49)12.5 − 17.5
(+7−12=11)
41.7%
12.5 / 30
0.0%
−5
= 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		(+48)2 − 6
(+2−6=0)		25.0%
2.0 / 8
0.0%
−183
0 0 1 0 0 0 0 1
–   Wasp 1.25 64-bit2908+22
−22		(+45)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
−14
0 0 1 = = = = = 0 =
–   Arasan 19.0.1 64-bit2906+26
−26		(+43)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.2%
+43
1 0 = = = = 1 0 = =
–   Hannibal 1.2 32-bit2905+14
−14		(+42)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−108
= = 0 0
–   Protector 1.4.0 64-bit2900+14
−14		(+37)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
0.0%
+74
0 1 1 0 1 = = =
–   Rybka 1.2 64-bit2899+18
−18		(+36)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.1%
−46
= 0 0 1
–   Atlas 3.91 64-bit2899+13
−13		(+36)6 − 6
(+3−3=6)		50.0%
6.0 / 12
0.0%
+32
1 1 = = 0 = 0 = = 1 0 =
–   chess22k 1.7 64-bit2898+22
−22		(+35)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
0.4%
−31
= 1 0 1 0 = 1 0 0 1 0 = 0 = 0 =
–   DiscoCheck 5.2.1 64-bit2894+15
−15		(+31)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.2%
−36
0 = = = 0 1 0 = 1 0
–   Fizbo 1.31 64-bit2893+22
−21		(+30)5 − 5
(+2−2=6)		50.0%
5.0 / 10
1.1%
+30
0 = 0 = = = = 1 = 1
–   Booot 5.2.0 64-bit2893+15
−15		(+30)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
0.2%
−26
= 0 = 0 = 1 = = 0 = = 0 1 0
–   Spark 1.0 64-bit2892+12
−12		(+29)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.1%
+96
= = 1 =
–   Fritz 122886+11
−11		(+23)12.5 − 17.5
(+3−8=19)
41.7%
12.5 / 30
0.6%
−23
= = = = 0 = = 0 1 = 0 = 0 = 0 = = = = = 0 1 0 0 = = = 1 = =
–   Scorpio 2.8 64-bit2885+14
−14		(+22)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
1.8%
−9
1 = 0 = 0 = = = 0 1 0 1
–   Quazar 0.4 32-bit2880+12
−12		(+17)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
4.0%
−267
= 0 0 0
–   Rybka 1.2 32-bit2868+17
−17		(+5)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
33.2%
+87
1 0 = 1
–   Thinker 5.4d Inert 64-bit2864+15
−15		(+1)2 − 2
(+0−0=4)		50.0%
2.0 / 4
45.6%
+1
= = = =
–   Gaviota 1.0 64-bit2859+11
−11		(−4)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
67.6%
+23
1 0 1 = = = 0 1 = =
–   Dirty 30Apr2017 64-bit2856+15
−15		(−7)8.5 − 7.5
(+4−3=9)		53.1%
8.5 / 16
74.9%
+9
1 1 = = 1 = 0 = = 0 = = = 1 0 =
–   Naum 3 32-bit2851+17
−17		(−12)5 − 3
(+3−1=4)		62.5%
5.0 / 8
85.9%
+61
1 1 1 0 = = = =
–   Toga II 3.02850+16
−16		(−13)3 − 1
(+2−0=2)		75.0%
3.0 / 4
89.2%
+137
= = 1 1
–   Thinker 5.4c Inert 32-bit2849+13
−13		(−14)20.5 − 21.5
(+9−10=23)
48.8%
20.5 / 42
93.4%
−16
= 1 0 1 0 = = 1 = 1 0 0 = = = = = = 1 = 0 = = = 0 = 1 0 1 0 0 = = = 0 = 1 = = = = 1
–   Minic 1.39 64-bit2849+28
−28		(−14)6 − 6
(+4−4=4)		50.0%
6.0 / 12
81.5%
−17
0 = 1 1 0 1 = 1 0 = 0 =
–   SmarThink 1.60 64-bit2845+32
−32		(−18)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
85.0%
−44
= 1 = 1 0 1 = 0 0 0
–   Fruit Reloaded 3.2.1 64-bit2837+12
−12		(−26)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
99.7%
+9
0 1 = 1 = = = 0 = 1
–   MinkoChess 1.3 32-bit2829+31
−31		(−34)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
97.5%
−2
= 0 = 1 = = 1 1 0 =
–   Cyclone xTreme Fury2827+19
−19		(−36)10.5 − 13.5
(+4−7=13)		43.8%
10.5 / 24
99.9%
−74
= 0 = = 0 = = = 1 0 = = = 0 0 0 = 0 = = = 1 1 1
–   Grapefruit 1.0 32-bit2826+9
−9		(−37)18 − 20
(+12−14=12)
47.4%
18.0 / 38
100.0%
−55
0 = 1 1 0 0 0 0 1 = = = 0 1 1 1 = 0 = = 1 0 = 1 0 0 1 0 1 1 = 0 = 1 0 = = 0
–   Deep Sjeng WC2008 32-bit2825+12
−12		(−38)17.5 − 16.5
(+9−8=17)
51.5%
17.5 / 34
100.0%
−28
= 1 0 = 1 0 = = 1 0 1 1 = 1 0 1 0 = = = = = = 0 = = 1 = 0 = 1 = = 0
–   Murka 3 64-bit2823+12
−12		(−40)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−122
0 1 = 0
–   NirvanaChess 1.6 64-bit2821+28
−27		(−42)4 − 6
(+2−4=4)		40.0%
4.0 / 10
99.6%
−106
0 = = 0 1 0 = = 1 0
–   Cyclone xTreme Rage2820+25
−25		(−43)25 − 11
(+16−2=18)
69.4%
25.0 / 36
99.9%
+72
= 1 = 1 = = 1 = 1 1 = 1 1 1 1 = = 1 = = 1 = 1 = = 0 1 0 = = = 1 1 = = 1
–   Hiarcs 12.12817+11
−11		(−46)21 − 13
(+11−3=20)
61.8%
21.0 / 34
100.0%
+21
= 1 = = 1 = = 1 0 = = = = = = = = = = = 1 1 1 1 = 1 0 = 1 = 1 = 0 1
–   Hiarcs 12 Sharpen PV On2813+14
−13		(−50)17 − 13
(+8−4=18)
56.7%
17.0 / 30
100.0%
−12
1 = = = 1 1 0 = = 1 1 1 = = = 1 0 0 1 = = = = = = = = = = 0
–   Zappa Mexico II 32-bit2809+12
−12		(−54)18 − 16
(+9−7=18)
52.9%
18.0 / 34
100.0%
−35
= = = 0 = = = 1 1 = 0 0 0 1 0 = 1 = = = 0 1 0 = 1 = 1 = 1 = = = 1 =
–   Rodent II 0.8.7 64-bit2809+26
−27		(−54)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+98
= = 1 1 1 1 1 0 1 0
–   Protector 1.3.1b 32-bit2801+23
−23		(−62)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−2
1 = = =
–   Onno 1.1.1 32-bit2797+18
−18		(−66)22 − 12
(+15−5=14)
64.7%
22.0 / 34
100.0%
+29
1 1 1 = 1 = 1 1 1 0 1 1 = 1 = = 1 1 = = = = = 0 = 1 = 0 1 = 0 = 1 0
–   Spark 0.3 32-bit2797+16
−16		(−66)23 − 13
(+16−6=14)
63.9%
23.0 / 36
100.0%
+22
1 1 1 1 1 0 = = 0 0 1 = = = = = = 1 = = 1 = = 1 = 0 0 1 0 1 1 = 1 1 1 1
–   Doch 09.980 32-bit2795+19
−19		(−68)23.5 − 10.5
(+18−5=11)
69.1%
23.5 / 34
100.0%
+61
1 1 = = = 1 = 1 0 0 0 1 = = 1 = 1 = 1 0 1 1 1 = 1 = 1 1 1 1 1 1 = 0
–   Onno 1.0 32-bit2795+18
−18		(−68)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
+83
1 0 1 0 = = = 1 = 1 1 1 1 = 1 1 1 = 1 = = 1 1 = 1 = 1 = 1 =
–   Nemo 1.0.1 32-bit2794+29
−29		(−69)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+88
= 1 = 1
–   Bright 0.4a2776+10
−10		(−87)23.5 − 13.5
(+15−5=17)
63.5%
23.5 / 37
100.0%
−5
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+9
−10		(−90)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
+48
1 = 0 = 1 = 1 = = = = 1 1 = 1 1 1 = 1 1 1 1 = = = = = 1 1 1 = 1 1 0
–   SmarThink 1.20 32-bit2746+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		(−118)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+33
1 = = 1 1 = 1 = 1 = 1 0 1 1 1 1 = 1 = = 1 1 1 = = 1 1 = = = 0 1
–   Twisted Logic 20090922 32-bit2730+19
−19		(−133)32 − 8
(+25−1=14)
80.0%
32.0 / 40
100.0%
+69
= 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
−17		(−140)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−28
= 1 = = = = 0 1 1 = 1 1 = 1 = 1 1 = = 1 = = = = 1 1 1 0 = 1 = 1
–   Naum 2.0 32-bit2697+15
−15		(−166)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−48
0 1 1 1 = = 1 = = = 1 = = 1 = 0 0 = 1 1 = = = = 1 1 = 1 1 1 1 1
–   Frenzee Feb08 32-bit2695+13
−13		(−168)28 − 12
(+22−6=12)
70.0%
28.0 / 40
100.0%
−34
= 0 0 1 = 1 1 1 = 0 1 0 1 0 = 0 = 1 = 1 = 1 = 1 = 1 1 = 1 = 1 1 1 1 1 1 = 1 1 1
–   Booot 4.15.02693+14
−14		(−170)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+23
1 1 1 = = 1 1 1 = 1 = 1 1 1 = 1 1 = = = = 1 = 1 0 1 = 1 = = 1 1 1 1 = 1 = 1 1 1
–   Delfi 5.42689+12
−12		(−174)30 − 10
(+24−4=12)
75.0%
30.0 / 40
100.0%
0
1 1 1 = = 1 1 1 = 1 = = 1 0 1 1 1 = 1 1 1 0 1 = 0 1 0 1 = = = 1 = 1 1 = 1 1 1 1
–   Crafty 23.1 32-bit2687+18
−18		(−176)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+32
= 1 = 1 1 1 = 1 1 1 = 1 1 1 = 1 1 = 1 1 = 1 1 = 1 0 1 = = 1
–   Movei 00.8.438 (10 10 10)2666+11
−11		(−197)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−31
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		(−214)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+76
1 = 1 1
–   Cyrano 0.6b17 32-bit2648+14
−14		(−215)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+72
1 1 1 1 = 1 1 =
–   Hamsters 0.7.12618+14
−14		(−245)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−245
= 0 1 =
–   Scorpio 2.2 32-bit2570+28
−28		(−293)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−225
= 1 = =
1530 games: 510 wins, 363 losses, 657 draws (42.9%), score: 54.8%

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Created in 2005-2013 by CCRL team
Last games added on April 12, 2021