CCRL 40/15
Downloads and Statistics
February 28, 2021
Testing summary:
Total: 1'220'774 games
played by 2'799 programs

White wins: 419'368 (34.4%)
Black wins: 308'512 (25.3%)
Draws: 492'894 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 1.4 32-bit (2829+16
−16		)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 122 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 3 32-bit2995+12
−12		(+166)7.5 − 22.5
(+2−17=11)
25.0%
7.5 / 30
0.0%
+2
0 0 = = 0 = 0 0 0 0 = = = 0 = = 0 0 0 0 1 0 0 = = = 1 0 0 0
–   Naum 4 32-bit2930+13
−14		(+101)12 − 18
(+4−10=16)
40.0%
12.0 / 30
0.0%
+41
= 1 = 0 1 1 = 0 = = = = = 1 0 = = 0 0 = 0 = 0 = 0 = = 0 0 =
–   Rybka 2.3.2a 32-bit2912+9
−9		(+83)11.5 − 18.5
(+6−13=11)
38.3%
11.5 / 30
0.0%
+7
= = 0 = = 0 0 0 = 0 0 = 0 1 = 1 1 0 1 0 = 0 = = 0 1 0 1 0 =
–   Demolito 2017-08-26 64-bit2889+20
−20		(+60)1.5 − 6.5
(+0−5=3)		18.8%
1.5 / 8
0.0%
−150
0 0 0 = = 0 0 =
–   FabChess 1.13 64-bit2876+21
−21		(+47)4 − 6
(+0−2=8)		40.0%
4.0 / 10
0.0%
−2
= = = = = 0 0 = = =
–   The Baron 3.44 64-bit2866+12
−12		(+37)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.0%
−32
= 0 = 1 = 0 0 =
–   Francesca MAD 0.27 64-bit2855+26
−26		(+26)3.5 − 2.5
(+1−0=5)		58.3%
3.5 / 6
5.1%
+68
= = = 1 = =
–   Fritz 112852+10
−10		(+23)13 − 17
(+7−11=12)
43.3%
13.0 / 30
1.2%
−17
1 0 1 0 = 0 = 0 0 = = 0 = 1 = 1 0 0 = = 0 0 1 = = = 1 1 0 =
–   Stockfish 1.4 64-bit2849+19
−19		(+20)105.5 − 132.5
(+33−60=145)
44.3%
105.5 / 238
4.3%
−12
= = 0 0 = = = = 1 = 1 1 = 1 = = 0 = = 0 = 0 = 0 1 = 0 = = = = = 0 = 1 = = = = = 1 = 1 0 1 = = 0 1 0 = = 0 = 1 = = 0 = 1 = 0 1 = 0 1 = 0 = = = = = = = = = = 1 = 0 = = 1 = = = 0 = 0 = 0 = = 1 = = 0 = 0 = 1 = = 0 0 = = = = = 0 = 0 0 0 = 0 = 0 = = = 0 = 0 0 = = = 1 0 = = = = 1 0 0 = = = = 0 = = 1 0 = = = 0 = = = 0 = = = = 0 = = = = 0 = = = = = = = 0 1 = = = = 0 = 0 = = 0 = = 0 1 0 = 0 1 = = 0 = = = 0 = 0 0 = 0 = = = 1 = = 1 1 = = = = = = 0 = 0 1 0 1 0 = 1 = 0 = 1 = = = 1 1 0
–   Thinker 5.4c Inert 32-bit2849+13
−13		(+20)19 − 22
(+6−9=26)
46.3%
19.0 / 41
3.2%
0
1 0 = 0 = 0 0 = = = = = = = 1 = 1 = = 0 0 = 0 1 = = 1 = = = = = = = = = = 1 0 = 0
–   Counter 3.3 64-bit2848+22
−23		(+19)6 − 6
(+2−2=8)		50.0%
6.0 / 12
9.7%
+22
0 1 = = = = = 1 = 0 = =
–   Asymptote 0.7 64-bit2844+21
−21		(+15)4 − 6
(+3−5=2)		40.0%
4.0 / 10
13.6%
−57
0 1 0 1 = 1 0 0 0 =
–   The Baron 3.43 64-bit2837+24
−24		(+8)5 − 5
(+2−2=6)		50.0%
5.0 / 10
30.1%
+4
1 = 0 0 = = 1 = = =
–   Marvin 3.2.0 64-bit2837+16
−16		(+8)8.5 − 7.5
(+5−4=7)		53.1%
8.5 / 16
25.0%
+23
1 0 1 0 1 1 0 = = = = = 1 = 0 =
–   Shredder 112832+12
−12		(+3)16 − 14
(+8−6=16)
53.3%
16.0 / 30
41.0%
+22
= 0 1 0 = = 1 1 1 0 = = = = 1 = = = 1 1 = = = 0 0 = = 0 1 =
–   Crafty 25.1 64-bit2827+25
−25		(−2)3 − 7
(+1−5=4)		30.0%
3.0 / 10
57.2%
−129
0 0 0 = = 1 = = 0 0
–   Cyclone xTreme Fury2827+19
−19		(−2)2 − 1
(+1−0=2)		66.7%
2.0 / 3
58.2%
+80
1 = =
–   DisasterArea 1.54 64-bit2827+18
−18		(−2)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
58.6%
+97
0 1 = = 0 1 1 1 1 =
–   Grapefruit 1.0 32-bit2826+9
−9		(−3)18 − 20
(+6−8=24)
47.4%
18.0 / 38
65.5%
−18
= = 0 = 0 = 1 = = = = = 0 0 = = = 0 1 0 = 1 1 0 = = = = = = 0 = 1 1 = = = =
–   Deep Sjeng WC2008 32-bit2825+12
−12		(−4)14.5 − 15.5
(+6−7=17)
48.3%
14.5 / 30
66.7%
−11
1 1 1 0 = 1 = = 0 = = = 0 = 0 0 = = 1 = = = = = = = = 0 0 1
–   Cyclone xTreme2823+13
−13		(−6)16.5 − 13.5
(+7−4=19)
55.0%
16.5 / 30
72.2%
+16
= 1 = 1 = = = = = 0 = 1 = 0 1 1 = = = = = 0 1 = = = = 1 0 =
–   Hiarcs 12.12817+11
−11		(−12)17.5 − 12.5
(+13−8=9)
58.3%
17.5 / 30
89.3%
+40
0 = 1 = 1 1 1 = 0 = 1 0 = 1 1 = 0 1 = = 0 = 0 1 0 1 1 0 1 1
–   Hiarcs 12 Sharpen PV On2813+14
−14		(−16)17.5 − 12.5
(+10−5=15)
58.3%
17.5 / 30
93.9%
+31
0 = = 1 1 = = = 1 0 = 1 1 = = 1 = = 1 1 = 0 = = = 1 = 0 1 0
–   Zappa Mexico II 32-bit2809+12
−12		(−20)15 − 15
(+7−7=16)
50.0%
15.0 / 30
98.0%
−18
0 = 0 = 0 = 1 1 1 1 0 = = = 1 = 0 = = 0 1 = 1 0 = = = = = =
–   Onno 1.1.1 32-bit2797+18
−18		(−32)46 − 38
(+27−19=38)
54.8%
46.0 / 84
99.7%
−2
= 0 1 0 = = = 1 = = 1 = = = 0 1 0 1 0 = 1 = 0 1 1 1 0 = = = 0 = = 0 = 1 0 1 1 1 = 1 = = 1 = 0 = = 1 0 1 = = 1 1 = = 1 0 0 = = = 0 = = 1 = 1 0 = = = = 1 0 0 1 = 1 1 0 1
–   Onno 1.0 32-bit2795+18
−18		(−34)15 − 15
(+9−9=12)
50.0%
15.0 / 30
99.8%
−35
= = 0 0 1 = = 1 = 0 0 = = = 0 1 = = 1 = 1 0 1 = 0 1 1 1 0 0
–   Bright 0.4a2776+10
−10		(−53)20 − 13
(+12−5=16)
60.6%
20.0 / 33
100.0%
+11
= = = 1 0 = 1 = 1 = 1 0 0 0 1 1 = 1 = = = = = = 0 = 1 = 1 1 1 = 1
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10		(−56)17 − 13
(+8−4=18)
56.7%
17.0 / 30
100.0%
−18
= = 1 = = 1 = = = 1 0 0 = 0 0 1 = 1 = 1 = = = 1 1 = = = = =
–   Spike 1.2 Turin2745+7
−7		(−84)26 − 10
(+20−4=12)
72.2%
26.0 / 36
100.0%
+67
1 1 1 1 1 1 = = = 1 1 = 0 1 = 1 = 1 = 1 1 1 0 1 = = 1 1 1 = 1 0 1 0 = =
–   Twisted Logic 20090922 32-bit2730+19
−19		(−99)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+184
= 1 1 1
–   Twisted Logic 200806202723+16
−17		(−106)18.5 − 13.5
(+10−5=17)
57.8%
18.5 / 32
100.0%
−60
1 = = = = 1 = = = = 1 0 0 1 0 = 1 = = = = = 1 1 = = = 1 1 0 0 1
–   Naum 2.0 32-bit2697+15
−15		(−132)20.5 − 9.5
(+15−4=11)
68.3%
20.5 / 30
100.0%
−12
= = 0 1 = = = 1 0 1 1 1 0 1 = 1 = 0 = 1 1 = = 1 1 1 1 = 1 1
–   Frenzee Feb08 32-bit2695+13
−13		(−134)27 − 6
(+22−1=10)
81.8%
27.0 / 33
100.0%
+91
1 1 1 = = = 1 1 1 1 = 1 = = 1 1 1 = 1 1 = 1 1 1 1 1 1 0 1 1 1 = =
–   Booot 4.15.02693+14
−14		(−136)23.5 − 10.5
(+17−4=13)
69.1%
23.5 / 34
100.0%
−11
= = = 1 1 = = = 1 1 1 1 0 0 = 1 = 1 1 = = 0 = 1 0 1 = 1 1 1 1 1 1 =
–   Delfi 5.42689+12
−12		(−140)24.5 − 8.5
(+18−2=13)
74.2%
24.5 / 33
100.0%
+14
= = = 0 = = 1 1 = 1 0 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 = = 1 1 = = =
–   Movei 00.8.438 (10 10 10)2666+11
−11		(−163)24 − 6
(+21−3=6)
80.0%
24.0 / 30
100.0%
+70
1 = 1 1 0 1 = 1 0 1 1 = 1 1 1 1 1 1 1 1 = 0 1 1 = 1 = 1 1 1
–   Alaric 7072661+12
−11		(−168)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−17
= 1 1 =
–   Scorpio 2.1 32-bit2652+34
−34		(−177)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−187
0 = 1 =
–   E.T. Chess 13.01.082650+13
−13		(−179)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+111
= 1 1 1
–   Cyrano 0.6b17 32-bit2648+14
−14		(−181)9 − 3
(+6−0=6)		75.0%
9.0 / 12
100.0%
−30
1 = 1 = 1 1 = 1 = 1 = =
–   Colossus 2008b2643+12
−12		(−186)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+97
1 = 1 1 1 = 1 1
–   Hamsters 0.7.12618+14
−14		(−211)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−53
1 = 1 =
–   Scorpio 2.2 32-bit2570+28
−28		(−259)2 − 1
(+1−0=2)		66.7%
2.0 / 3
100.0%
−153
1 = =
1168 games: 339 wins, 256 losses, 573 draws (49.1%), score: 53.6%

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Created in 2005-2013 by CCRL team
Last games added on February 28, 2021