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 1.2 Default (2780+21
−22		)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		(+215)6 − 26
(+3−23=6)
18.8%
6.0 / 32
0.0%
−29
0 0 0 = 0 = 0 = 0 = 1 0 0 0 1 = 0 0 0 0 0 = 0 0 0 0 0 0 0 1 0 0
–   Naum 4 32-bit2930+13
−14		(+150)9 − 23
(+1−15=16)
28.1%
9.0 / 32
0.0%
+18
0 = = 0 0 = = 0 1 = 0 = = = 0 0 = = 0 0 0 0 0 = = 0 = 0 0 = = =
–   Fritz 112852+10
−10		(+72)14 − 16
(+8−10=12)
46.7%
14.0 / 30
0.0%
+51
1 0 0 = = 1 0 0 1 = 1 0 = 1 0 1 = 0 1 0 = = 0 1 = 0 = = = =
–   Thinker 5.4c Inert 32-bit2849+13
−13		(+69)11.5 − 18.5
(+6−13=11)
38.3%
11.5 / 30
0.0%
−10
0 1 1 = 0 = 1 = 0 0 = 0 = 1 1 0 = 0 0 0 1 = = 0 = = 0 0 0 =
–   Thinker 5.4a Inert 32-bit2835+21
−21		(+55)16 − 24
(+7−15=18)
40.0%
16.0 / 40
0.0%
−5
0 0 0 1 = 0 1 0 = 0 = 0 = 0 = = = = 0 0 0 = = 1 0 0 1 = = = 0 = = 1 0 = 1 = 1 =
–   Shredder 112832+12
−12		(+52)20 − 16
(+10−6=20)
55.6%
20.0 / 36
0.0%
+84
0 = 1 1 1 0 = = 1 = = 0 1 = 1 = 1 = = = = = = 0 = = = = = 1 = = 0 1 0 1
–   Grapefruit 1.0 32-bit2826+9
−9		(+46)13.5 − 23.5
(+4−14=19)
36.5%
13.5 / 37
0.0%
−34
1 1 = 0 = = = = = 0 = 0 0 0 = 1 = 0 0 = = 0 0 0 = = = 0 = 0 = 0 1 0 = = =
–   Toga II 1.4.1SE2826+12
−12		(+46)6.5 − 6.5
(+2−2=9)		50.0%
6.5 / 13
0.0%
+51
1 = 0 = = = = 0 = = 1 = =
–   Deep Sjeng WC2008 32-bit2825+12
−12		(+45)18 − 20
(+10−12=16)
47.4%
18.0 / 38
0.0%
+29
1 1 1 1 0 1 1 0 = = = 0 0 = = 1 1 = = 1 = = 0 0 = 0 = 0 = 0 1 = = 0 0 0 = =
–   Cyclone 3.42822+21
−21		(+42)19 − 21
(+10−12=18)
47.5%
19.0 / 40
0.2%
+26
0 0 1 1 0 = 0 0 = = 1 = = = 0 0 1 1 = = = = = 1 = = = 0 = 1 1 0 0 = 1 0 = 1 = 0
–   Toga II 1.4.1SE62820+23
−23		(+40)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.7%
−116
= 0
–   Hiarcs 12.12817+11
−11		(+37)16.5 − 21.5
(+7−12=19)
43.4%
16.5 / 38
0.1%
0
= = = = 1 = 0 = = 0 = = = 1 = 0 = = 1 0 0 = 1 = 1 1 0 0 = 0 = 0 = 0 = 1 0 0
–   Hiarcs 12 Sharpen PV On2813+14
−14		(+33)13.5 − 16.5
(+7−10=13)
45.0%
13.5 / 30
0.5%
+2
0 0 = 1 0 0 0 0 0 1 1 1 1 = = = = = 1 0 = = = = 1 0 = 0 = =
–   Zappa Mexico II 32-bit2809+12
−12		(+29)19 − 19
(+10−10=18)
50.0%
19.0 / 38
1.0%
+30
1 0 = = 1 1 = = = = 0 0 1 0 = = 0 0 = = = 1 = 1 0 1 = 0 1 0 0 = 1 = = = 1 =
–   TheMadPrune 1.1.252805+24
−24		(+25)14 − 16
(+6−8=16)
46.7%
14.0 / 30
6.4%
+3
0 = = = = 1 = 1 0 = 0 = = 0 = 0 = 0 1 = 0 = = 1 = = 1 1 0 =
–   Fruit 2.3.12786+14
−14		(+6)5 − 6
(+1−2=8)		45.5%
5.0 / 11
34.0%
−19
1 0 = = = = = = 0 = =
–   Bright 0.4a2776+10
−10		(−4)12.5 − 17.5
(+5−10=15)
41.7%
12.5 / 30
63.8%
−52
= = 1 = 0 = = 0 1 = 0 0 = = 0 0 = = 1 0 = = 1 0 = = 1 0 0 =
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10		(−7)13.5 − 15.5
(+7−9=13)		46.6%
13.5 / 29
72.4%
−23
0 0 0 = = 1 0 1 1 0 0 = = 1 = = = = 1 0 = 0 = = = 1 1 0 =
–   Glaurung 2.2 32-bit2755+24
−24		(−25)5 − 5
(+2−2=6)		50.0%
5.0 / 10
94.5%
−28
= 1 1 = = = = = 0 0
–   Marvin 3.0.0 64-bit2732+23
−23		(−48)6 − 4
(+5−3=2)		60.0%
6.0 / 10
99.9%
+22
1 0 0 = 1 1 1 0 1 =
–   Counter 3.0 64-bit2731+28
−28		(−49)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
99.7%
−7
0 1 0 1 0 1 1 1 = 0
–   Bright 0.3a2729+19
−19		(−51)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
100.0%
−96
0 1 = = = 0
–   Shield 2.1 64-bit2727+13
−13		(−53)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
+6
1 0 = = 1 1 0 = 1 =
–   Twisted Logic 200806202723+16
−17		(−57)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
100.0%
−109
0 = = 1 0 =
–   GreKo 2018.08 64-bit2716+21
−21		(−64)4 − 2
(+3−1=2)		66.7%
4.0 / 6
100.0%
+48
1 1 = = 1 0
–   GreKo 2018.07 64-bit2708+15
−16		(−72)2.5 − 5.5
(+0−3=5)		31.3%
2.5 / 8
100.0%
−176
= = 0 = 0 0 = =
–   Ktulu 82706+9
−9		(−74)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−74
= =
–   Chess Tiger 2007.12704+10
−10		(−76)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−76
= =
–   Chessmaster 11 Archangel2702+19
−19		(−78)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+79
= 1
–   Booot 4.15.02693+14
−14		(−87)4 − 3
(+2−1=4)		57.1%
4.0 / 7
100.0%
−49
= 1 = = = 0 1
–   Delfi 5.42689+12
−12		(−91)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
100.0%
−374
= 0 0 0
–   Chessmaster 11 Toxic2682+19
−20		(−98)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−255
= 0
–   Movei 00.8.438 (10 10 10)2666+11
−11		(−114)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−114
= =
–   Minic 0.65 64-bit2662+28
−28		(−118)9 − 3
(+6−0=6)		75.0%
9.0 / 12
100.0%
+29
= = 1 = 1 = 1 1 = 1 1 =
–   Alaric 7072661+12
−11		(−119)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−119
1 0
–   E.T. Chess 13.01.082650+13
−13		(−130)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−130
1 0
–   Cyrano 0.6b17 32-bit2648+14
−14		(−132)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Colossus 2008b2643+12
−12		(−137)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−137
0 1
–   CM10th Guardian2639+26
−26		(−141)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−283
= 0
–   tomitankChess 2.1 64-bit2637+22
−22		(−143)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
100.0%
+31
1 1 0 = = 1 1 1 = 1
–   Scorpio 2.05b2636+32
−32		(−144)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Igel 1.1 64-bit2628+26
−26		(−152)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
100.0%
−84
0 1 = 1 1 0
–   Ruffian 2.1.02624+13
−13		(−156)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−13
= 1
–   Dirty 24Apr2011 32-bit2614+29
−29		(−166)9.5 − 0.5
(+9−0=1)		95.0%
9.5 / 10
100.0%
+278
= 1 1 1 1 1 1 1 1 1
–   Alfil 8.1.12601+14
−14		(−179)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−21
1 =
–   Crafty 22.10 32-bit2573+32
−32		(−207)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−50
= 1
679 games: 162 wins, 215 losses, 302 draws (44.5%), score: 46.1%

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