CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
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 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Arasan 21.4 64-bit3125+16
−16		(+114)8 − 24
(+1−17=14)
25.0%
8.0 / 32
0.0%
−42
= = 0 = 0 0 0 1 0 = = 0 = 0 = = = 0 = 0 0 0 = 0 0 = 0 = 0 0 0 =
–   Marvin 5.0.0 64-bit3112+22
−22		(+101)5.5 − 6.5
(+2−3=7)		45.8%
5.5 / 12
0.0%
+76
= = 1 1 0 = = 0 = = 0 =
–   Nemorino 5.00 64-bit3084+13
−13		(+73)5.5 − 10.5
(+0−5=11)		34.4%
5.5 / 16
0.0%
−10
= = 0 = = = 0 0 = 0 = = = = 0 =
–   Stash 29.0 64-bit3064+22
−22		(+53)4.5 − 5.5
(+1−2=7)		45.0%
4.5 / 10
0.0%
+28
= = 0 = = = = 1 = 0
–   iCE 4.0 64-bit3058+15
−15		(+47)7 − 9
(+3−5=8)		43.8%
7.0 / 16
0.0%
+2
0 1 0 = 0 = 1 = 0 = 0 = 1 = = =
–   Marvin 4.0.0 64-bit3049+22
−22		(+38)7 − 7
(+4−4=6)		50.0%
7.0 / 14
0.3%
+38
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
0.8%
−21
0 0 1 = 0 = 0 1 = = = = = 0 0 1
–   ChessBrainVB 3.663033+23
−23		(+22)6 − 8
(+1−3=10)		42.9%
6.0 / 14
5.9%
−12
= 0 = 0 = = = 0 1 = = = = =
–   Rybka 4.1 32-bit3028+12
−12		(+17)18.5 − 19.5
(+5−6=27)
48.7%
18.5 / 38
4.4%
+9
0 1 = = = = = = = 1 0 = 0 1 = = = = = = = = 0 = = = 0 0 1 = = 1 = = = = = =
–   SmarThink 1.98 64-bit3024+13
−13		(+13)6 − 8
(+3−5=6)		42.9%
6.0 / 14
10.6%
−34
0 1 0 0 1 0 = = 1 = = = 0 =
–   Arasan 20.5 64-bit3023+20
−20		(+12)5 − 7
(+2−4=6)		41.7%
5.0 / 12
19.0%
−40
1 1 0 = 0 0 = = 0 = = =
–   Critter 1.01 32-bit3018+18
−18		(+7)21 − 17
(+11−7=20)
55.3%
21.0 / 38
29.2%
+39
= 1 0 0 = 1 1 = = 0 = 0 1 = 1 1 1 1 0 1 1 = = 0 = = = = = 0 = = = = = = = 1
–   Rybka 4 32-bit3016+15
−15		(+5)13 − 17
(+6−10=14)
43.3%
13.0 / 30
31.1%
−35
0 0 = = = = = 0 0 = 0 = 1 1 = 0 = = 1 = 0 = = 1 0 1 = 0 0 1
–   Arasan 20.3 64-bit3007+20
−20		(−4)7.5 − 4.5
(+5−2=5)		62.5%
7.5 / 12
62.2%
+75
0 = = 1 = = = 1 1 1 0 1
–   Bagatur 2.2 64-bit2994+18
−18		(−17)5 − 7
(+2−4=6)		41.7%
5.0 / 12
91.4%
−69
0 0 = = 0 1 0 = 1 = = =
–   Amoeba 3.2 64-bit2989+19
−19		(−22)4 − 6
(+1−3=6)		40.0%
4.0 / 10
95.5%
−80
= = 0 1 0 = = = 0 =
–   Critter 0.90 32-bit2988+15
−15		(−23)17.5 − 20.5
(+5−8=25)
46.1%
17.5 / 38
98.3%
−45
0 1 = = = = = 0 0 0 = 0 = 1 1 0 = = 0 = = = 1 = = = 1 = = = = = = = = 0 = =
–   Minic 2.0 64-bit2977+23
−23		(−34)11 − 7
(+8−4=6)		61.1%
11.0 / 18
99.0%
+39
0 = 1 1 0 1 1 1 = 1 0 0 = = 1 = = 1
–   Naum 4.2 32-bit2957+10
−10		(−54)21 − 17
(+11−7=20)
55.3%
21.0 / 38
100.0%
−23
1 = 1 = 1 = = 1 = = 1 0 0 = = = 0 = 1 = = = = 1 0 = 1 0 = = = 1 0 0 = 1 = 1
–   Deep Sjeng c't 20102939+10
−10		(−72)22 − 16
(+10−4=24)
57.9%
22.0 / 38
100.0%
−27
= = 1 = = 1 = 1 1 = = = 1 = = = 1 = = = 1 = = = 0 0 0 = 1 0 1 1 = = = = = =
–   Shredder 12 32-bit2928+7
−7		(−83)46 − 22
(+30−6=32)
67.6%
46.0 / 68
100.0%
+24
1 = = = 1 = 1 1 0 = = 1 = = = = = 1 1 1 1 1 1 = = 1 1 = 1 1 1 = = = 1 = 1 = 1 = 1 = 0 0 = = = 1 = = = = 1 = 1 0 1 1 1 0 = 0 = 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 1 0 1 = = 1 = 1 1 = = = = = = 1 = 1 = = 1 1 1 = 1 1 = 1 = = = 0 = 0 = = 1 = = 0 = = = 1 =
–   Spike 1.4 Leiden2913+8
−8		(−98)28.5 − 13.5
(+18−3=21)
67.9%
28.5 / 42
100.0%
+9
0 1 = 1 = 1 = 1 1 0 1 1 1 1 = = 1 = 0 = = = = = 1 = = = = = 1 = 1 = = 1 1 1 1 = 1 =
–   Rybka 2.3.2a 32-bit2911+9
−9		(−100)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
+99
= 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-bit2907+15
−16		(−104)20.5 − 13.5
(+14−7=13)
60.3%
20.5 / 34
100.0%
−35
1 1 = 0 1 1 0 = 1 1 1 0 0 = 1 0 = = 1 = 1 1 1 = 1 = 1 = = = 0 = = 0
–   Hiarcs 13.22894+10
−11		(−117)25.5 − 12.5
(+14−1=23)
67.1%
25.5 / 38
100.0%
−20
1 = = = = = 1 = = = 1 1 = = = 1 = = 1 = = 1 = 1 = 1 = 1 = 1 = 1 = 1 = = 1 0
–   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 =
–   Fritz 122885+11
−11		(−126)25 − 9
(+18−2=14)
73.5%
25.0 / 34
100.0%
+23
= 1 1 = 1 1 = 1 = 1 1 1 1 1 1 1 1 = = 1 1 1 = 0 = = 1 1 0 = = = = =
–   Protector 1.4.0 32-bit2877+11
−11		(−134)27.5 − 10.5
(+19−2=17)
72.4%
27.5 / 38
100.0%
+6
0 = = 1 1 1 = 1 1 1 1 1 = = 1 = 1 1 1 0 1 1 1 1 = = = 1 1 1 = = = = = = = =
–   Gull 1.2 32-bit2875+12
−12		(−136)29 − 9
(+21−1=16)
76.3%
29.0 / 38
100.0%
+33
0 = 1 = = 1 1 1 1 1 1 1 = 1 = 1 = 1 = 1 1 = = = = = 1 1 1 = 1 1 1 = = = 1 1
–   Gull 1.1 32-bit2875+17
−17		(−136)28.5 − 9.5
(+20−1=17)
75.0%
28.5 / 38
100.0%
+20
= 1 1 = 1 1 = = = = 1 1 1 1 = = 0 1 = = = 1 = 1 = = 1 1 = 1 1 1 1 = = 1 1 1
–   Spark 1.0 32-bit2863+11
−11		(−148)31.5 − 10.5
(+23−2=17)
75.0%
31.5 / 42
100.0%
+13
= = 1 = 1 1 = 1 = = 1 1 0 = = = 1 = 1 1 = 1 = = 1 1 1 = = 1 1 1 1 1 1 = 1 1 = 1 0 1
–   Deep Junior 12 32-bit2855+18
−19		(−156)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−28
= = 1 0 1 = = 1 1 1 = = 1 0 1 0 1 1 = 1 = 1 1 1 1 1 = = = =
–   Thinker 5.4d Inert 32-bit2855+10
−10		(−156)27.5 − 14.5
(+16−3=23)
65.5%
27.5 / 42
100.0%
−66
1 = 1 0 = 1 1 1 1 = = 1 1 0 = = = = 1 = = 1 = 1 = 1 1 0 = 1 = = = = = = = = 1 = = 1
–   Booot 5.1.02843+10
−10		(−168)32.5 − 9.5
(+23−0=19)
77.4%
32.5 / 42
100.0%
+4
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-bit2827+15
−15		(−184)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
−79
1 = 1 = 1 1 1 1 1 = = = = = = = 0 = 1 = = 1 1 1 = 0 1 = 1 = = 1 = =
–   Grapefruit 1.0 32-bit2825+9
−9		(−186)24 − 6
(+20−2=8)
80.0%
24.0 / 30
100.0%
+36
= 1 1 1 = 1 = 1 1 1 = 1 = 0 1 1 = 1 = 1 1 1 0 1 1 1 = 1 1 1
–   Cyclone xTreme2822+13
−13		(−189)22.5 − 7.5
(+19−4=7)
75.0%
22.5 / 30
100.0%
−4
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-bit2799+12
−12		(−212)35.5 − 6.5
(+30−1=11)
84.5%
35.5 / 42
100.0%
+46
= 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 1 = 0 1 1
–   Jonny 4.002776+11
−11		(−235)30.5 − 3.5
(+27−0=7)
89.7%
30.5 / 34
100.0%
+89
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-bit2748+20
−20		(−263)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+20
1 1 1 =
–   Tornado 4.4 32-bit2743+23
−23		(−268)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   MinkoChess 1.1 32-bit2739+27
−27		(−272)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+17
= 1 1 = 1 1 1 1
–   Chronos 1.9.9 32-bit2739+17
−17		(−272)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+17
= 1 1 1
–   Bison 9.11 32-bit2727+14
−14		(−284)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
1214 games: 495 wins, 156 losses, 563 draws (46.4%), score: 64.0%

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021