CCRL 40/15
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 1'220'986 games
played by 2'799 programs

White wins: 419'408 (34.3%)
Black wins: 308'533 (25.3%)
Draws: 493'045 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 2.0.1 32-bit (3011+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
–   Arasan 21.4 64-bit3126+16
−16		(+115)8 − 24
(+1−17=14)
25.0%
8.0 / 32
0.0%
−41
= 0 0 0 = 0 0 = 0 = = = 0 = 0 0 0 1 0 = = 0 = 0 = = = 0 0 0 0 =
–   Marvin 5.0.0 64-bit3104+27
−27		(+93)2.5 − 5.5
(+0−3=5)		31.3%
2.5 / 8
0.0%
−11
0 = = 0 = = 0 =
–   Nemorino 5.00 64-bit3086+13
−12		(+75)5.5 − 10.5
(+0−5=11)		34.4%
5.5 / 16
0.0%
−8
= = 0 = = 0 = = = = 0 = = = 0 0
–   iCE 4.0 64-bit3060+15
−15		(+49)7 − 9
(+3−5=8)		43.8%
7.0 / 16
0.0%
+4
0 1 0 = 0 = 0 = 1 = = = 1 = 0 =
–   Marvin 4.0.0 64-bit3050+22
−22		(+39)7 − 7
(+4−4=6)		50.0%
7.0 / 14
0.3%
+39
0 1 0 1 0 1 0 1 = = = = = =
–   Minic 3.03 64-bit3048+26
−26		(+37)6.5 − 9.5
(+3−6=7)		40.6%
6.5 / 16
0.9%
−21
= = = 0 0 1 0 0 1 = 0 = 0 1 = =
–   ChessBrainVB 3.663034+23
−23		(+23)6 − 8
(+1−3=10)		42.9%
6.0 / 14
4.9%
−11
= = = = = 0 1 = = 0 = 0 = =
–   Rybka 4.1 32-bit3029+12
−12		(+18)18.5 − 19.5
(+5−6=27)
48.7%
18.5 / 38
3.4%
+10
= = 1 = = 1 = = = = = = = = = = 0 = = = 0 0 = = = = = = = = = 1 0 = 0 1 0 1
–   SmarThink 1.98 64-bit3025+13
−13		(+14)6 − 8
(+3−5=6)		42.9%
6.0 / 14
8.4%
−33
1 = = = 0 = 0 1 0 0 1 0 = =
–   Arasan 20.5 64-bit3024+20
−20		(+13)5 − 7
(+2−4=6)		41.7%
5.0 / 12
16.4%
−39
= = 1 1 0 = 0 0 0 = = =
–   Critter 1.01 32-bit3019+18
−18		(+8)21 − 17
(+11−7=20)
55.3%
21.0 / 38
23.9%
+40
= = = 0 = = = = = = = 1 = 1 1 1 0 1 1 = = 0 = = 1 0 0 = 1 1 = = 0 = 0 1 = 1
–   Rybka 4 32-bit3017+14
−15		(+6)13 − 17
(+6−10=14)
43.3%
13.0 / 30
27.1%
−34
0 0 = = = = = = = 1 0 1 = 0 0 1 0 0 = 0 = 1 1 = 0 = = 1 = 0
–   Arasan 20.3 64-bit3008+20
−20		(−3)7.5 − 4.5
(+5−2=5)		62.5%
7.5 / 12
58.1%
+76
0 = = 1 = = = 1 1 1 0 1
–   Bagatur 2.2 64-bit2996+18
−18		(−15)5 − 7
(+2−4=6)		41.7%
5.0 / 12
88.0%
−67
= = = = 0 1 0 = 1 = 0 0
–   Critter 0.90 32-bit2989+15
−15		(−22)17.5 − 20.5
(+5−8=25)
46.1%
17.5 / 38
97.9%
−44
1 = = = = = 0 0 0 = = = = = = = = 0 = = 1 1 0 = = 0 = = 0 = = = 1 = = = 1 0
–   Amoeba 3.2 64-bit2988+20
−20		(−23)4 − 6
(+1−3=6)		40.0%
4.0 / 10
95.9%
−81
0 = 0 1 0 = = = = =
–   Minic 2.0 64-bit2979+23
−23		(−32)11 − 7
(+8−4=6)		61.1%
11.0 / 18
98.6%
+41
0 = 0 0 = = 1 = = 1 1 1 0 1 1 1 = 1
–   Naum 4.2 32-bit2958+10
−10		(−53)21 − 17
(+11−7=20)
55.3%
21.0 / 38
100.0%
−22
1 1 = 1 = = 1 = = 1 = = = 1 0 0 = 0 0 = = = 1 = = 1 0 0 = 1 = = = = 1 0 1 =
–   Deep Sjeng c't 20102940+10
−10		(−71)22 − 16
(+10−4=24)
57.9%
22.0 / 38
100.0%
−26
= = 1 = = 1 = 1 1 = = = 1 0 1 1 = = = 1 = = = 0 0 = = 1 = = = 1 = = = 0 = =
–   Shredder 12 32-bit2928+8
−7		(−83)46 − 22
(+30−6=32)
67.6%
46.0 / 68
100.0%
+24
= = = 1 = 1 1 0 = = 1 = = = = = 1 1 1 1 1 1 = = 1 = 0 0 = = = 1 = 1 = 1 0 1 1 1 0 = 0 = 1 1 1 1 1 = = = = 1 = = 1 1 1 1 = = = 1 = 1 1 =
–   Komodo 1.3 32-bit2916+16
−16		(−95)29 − 17
(+16−4=26)
63.0%
29.0 / 46
100.0%
−19
= 1 0 1 = = 1 = 1 1 = = 0 = = 1 = = 0 = = = = = = 1 = 1 = = = = 0 1 = = = 1 1 1 = 1 1 = 1 1
–   Spike 1.4 Leiden2914+8
−8		(−97)28.5 − 13.5
(+18−3=21)
67.9%
28.5 / 42
100.0%
+10
= = 1 = 0 = 1 = = = = = = = 1 = 1 = = 1 1 1 1 = 1 = 0 1 = 1 = 1 = 1 1 0 1 1 1 1 = =
–   Rybka 2.3.2a 32-bit2912+9
−9		(−99)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
+100
= 0 1 1 1 = 1 0 1 1 = 1 1 = 1 = = 1 1 = 1 1 1 1 1 1 1 1 = =
–   Deep Junior 12.5 32-bit2908+15
−16		(−103)20.5 − 13.5
(+14−7=13)
60.3%
20.5 / 34
100.0%
−34
0 0 = 1 0 = = 1 = 1 1 1 = 1 = 1 = = = 0 = = 0 1 1 = 0 1 1 0 = 1 1 1
–   Hiarcs 13.22895+11
−10		(−116)25.5 − 12.5
(+14−1=23)
67.1%
25.5 / 38
100.0%
−19
1 0 = = = = 1 = = = 1 1 = 1 = 1 = 1 1 = = = 1 = = 1 = = = 1 = = 1 = 1 = 1 =
–   Fritz 122886+11
−11		(−125)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
+24
= 1 1 1 1 1 = = 1 1 1 = 0 = = 1 1 0 = = = = = 1 1 = 1 1 = 1 = 1 1 1
–   Gull 1.0a 32-bit2885+12
−12		(−126)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
+17
= = = 1 1 1 = = = 1 1 = 1 1 = = 1 1 = = 1 = 1 0 1 = 1 1 1 =
–   Protector 1.4.0 32-bit2878+11
−11		(−133)27.5 − 10.5
(+19−2=17)
72.4%
27.5 / 38
100.0%
+7
= 1 1 1 = 1 1 1 1 = 1 1 1 0 1 1 1 1 = = = 1 1 1 = 1 = = 1 = = = = = = = 0 =
–   Gull 1.2 32-bit2876+12
−12		(−135)29 − 9
(+21−1=16)
76.3%
29.0 / 38
100.0%
+34
1 = 1 1 1 = = = 1 1 0 = 1 = = = 1 1 1 1 1 1 1 1 = 1 = 1 = 1 1 = = = = = 1 1
–   Gull 1.1 32-bit2876+17
−17		(−135)28.5 − 9.5
(+20−1=17)
75.0%
28.5 / 38
100.0%
+21
1 = 1 1 = = = = 1 1 1 1 = = 1 1 1 1 = = 0 1 = = = 1 1 1 = 1 = = 1 1 = 1 = 1
–   Spark 1.0 32-bit2864+11
−11		(−147)31.5 − 10.5
(+23−2=17)
75.0%
31.5 / 42
100.0%
+14
= 1 = 1 1 = 1 = = 1 1 = 1 1 = 1 0 0 = = = 1 = 1 1 1 1 1 1 1 1 1 = 1 = = 1 1 1 = = =
–   Thinker 5.4d Inert 32-bit2856+10
−10		(−155)27.5 − 14.5
(+16−3=23)
65.5%
27.5 / 42
100.0%
−65
1 0 = 1 1 1 1 = = 1 = = = = = = = 1 = = 1 = = = = 1 1 0 1 = = = = 1 = 1 = 1 1 0 1 =
–   Deep Junior 12 32-bit2856+18
−19		(−155)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−27
= = 1 0 1 = = 1 1 1 1 1 1 1 = = = = 1 = = 1 0 1 0 1 1 = 1 =
–   Booot 5.1.02844+10
−10		(−167)32.5 − 9.5
(+23−0=19)
77.4%
32.5 / 42
100.0%
+5
1 1 1 = = 1 = = = 1 = = 1 1 = 1 = 1 1 1 = 1 1 = = 1 = 1 1 1 = = 1 1 = 1 = = 1 = 1 1
–   Protector 1.3.5 32-bit2828+15
−15		(−183)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
−78
1 = 1 = 1 1 1 1 1 = = = = = 1 = = 1 1 1 = 0 1 = 1 = = 1 = = 0 = = =
–   Grapefruit 1.0 32-bit2826+9
−9		(−185)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+37
1 1 0 1 1 1 = 1 1 1 = 1 1 1 = 1 = 1 1 1 = 1 = 0 1 1 = 1 = 1
–   Cyclone xTreme2823+13
−13		(−188)22.5 − 7.5
(+19−4=7)
75.0%
22.5 / 30
100.0%
−3
1 0 1 1 1 1 1 = 1 0 1 1 1 = 1 = 1 = 1 1 1 0 1 1 1 1 = = = 0
–   Hannibal 1.0a 32-bit2800+12
−12		(−211)35.5 − 6.5
(+30−1=11)
84.5%
35.5 / 42
100.0%
+47
1 1 1 = 1 = 1 = 1 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
–   Jonny 4.002778+11
−11		(−233)30.5 − 3.5
(+27−0=7)
89.7%
30.5 / 34
100.0%
+91
1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 = 1 1 1 1 = 1 1 1 1 = 1 1 = 1 1 = 1 1
–   Scorpio 2.7 32-bit2749+20
−20		(−262)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+21
1 1 1 =
–   Tornado 4.4 32-bit2744+23
−23		(−267)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Chronos 1.9.9 32-bit2740+17
−17		(−271)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+18
1 1 = 1
–   MinkoChess 1.1 32-bit2740+27
−27		(−271)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+18
1 = 1 1 1 1 = 1
–   Bison 9.11 32-bit2728+14
−14		(−283)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
1200 games: 492 wins, 154 losses, 554 draws (46.2%), score: 64.1%

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Created in 2005-2013 by CCRL team
Last games added on March 2, 2021