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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Stockfish 1.9.1 32-bit (3001+16
−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
–   SlowChess Blitz Classic 1.9 64-bit3104+23
−23		(+103)3.5 − 12.5
(+0−9=7)		21.9%
3.5 / 16
0.0%
−75
0 0 = 0 0 = = 0 0 0 0 = 0 = = =
–   Xiphos 0.3 64-bit3092+19
−19		(+91)7.5 − 12.5
(+3−8=9)		37.5%
7.5 / 20
0.0%
+14
= = 0 = 0 1 0 1 0 1 0 0 0 = = = = = = 0
–   Winter 0.8 64-bit3081+21
−21		(+80)7.5 − 8.5
(+5−6=5)		46.9%
7.5 / 16
0.0%
+54
0 1 = = 1 1 0 0 1 = 1 = 0 0 0 =
–   Pedone 1.9 64-bit3079+16
−16		(+78)8 − 12
(+4−8=8)		40.0%
8.0 / 20
0.0%
+11
0 = = = = = 0 = 1 0 1 0 = = 0 0 1 0 1 0
–   chess22k 1.14 64-bit3077+16
−16		(+76)8 − 8
(+3−3=10)		50.0%
8.0 / 16
0.0%
+78
= = = = = = = 1 1 0 = = = 0 0 1
–   Arasan 21.2 64-bit3077+16
−16		(+76)4.5 − 7.5
(+0−3=9)		37.5%
4.5 / 12
0.0%
+13
= 0 = = = = 0 = = = = 0
–   Koivisto 4.0 64-bit3072+20
−20		(+71)4.5 − 11.5
(+1−8=7)		28.1%
4.5 / 16
0.0%
−66
0 0 0 0 = = 0 = = 1 = = 0 = 0 0
–   Senpai 2.0 64-bit3031+11
−11		(+30)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.1%
−32
0 1 0 0 = = = = 0 1
–   Sting SF 15 64-bit3031+25
−25		(+30)10 − 14
(+1−5=18)		41.7%
10.0 / 24
1.9%
−12
= = = = = = = 0 0 = = = = = 0 = = = 0 = = 0 = 1
–   Laser 1.4 64-bit3025+18
−18		(+24)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
2.2%
0
0 = 0 1 1 = = 1 0 1 = = 0 0
–   ChessBrainVB 3.683024+21
−21		(+23)9 − 5
(+4−0=10)		64.3%
9.0 / 14
3.6%
+94
1 = 1 = = = = = = = 1 1 = =
–   Rybka 4 32-bit3017+15
−15		(+16)22 − 20
(+9−7=26)
52.4%
22.0 / 42
5.6%
+28
1 0 = 1 1 0 = 0 = = = = 1 = 1 = = 1 = = = = = = = 0 = = 0 = = = = = 1 1 = 0 0 = 1 =
–   Combusken 1.2.0 64-bit3009+25
−25		(+8)7 − 9
(+4−6=6)		43.8%
7.0 / 16
27.9%
−29
= = = = 1 0 = 1 = 1 0 0 0 1 0 0
–   Sting SF 19 64-bit3007+24
−24		(+6)7.5 − 6.5
(+2−1=11)		53.6%
7.5 / 14
33.0%
+24
= = = = = = = = = 1 = 1 0 =
–   Rodent III 0.281 64-bit2992+20
−20		(−9)7.5 − 6.5
(+3−2=9)		53.6%
7.5 / 14
74.7%
+11
0 = = 1 = = = = = = = 1 0 1
–   Critter 0.90 32-bit2989+15
−15		(−12)22.5 − 17.5
(+10−5=25)
56.3%
22.5 / 40
86.8%
+24
1 = 1 = = = = = 1 1 = = = = = = = = = 1 = = 1 = 0 = 1 = 1 1 0 = = = 0 0 0 1 = =
–   ChessBrainVB 3.612987+27
−27		(−14)6 − 4
(+4−2=4)		60.0%
6.0 / 10
81.6%
+49
= = 1 1 1 0 = = 0 1
–   Demolito 2019-04-27 64-bit2985+19
−19		(−16)7.5 − 6.5
(+4−3=7)		53.6%
7.5 / 14
89.0%
+6
0 0 = = = = = = 1 1 = 1 1 0
–   Naum 4.2 32-bit2958+10
−10		(−43)24 − 18
(+12−6=24)
57.1%
24.0 / 42
100.0%
−1
0 = = 1 = 1 = = 1 = 1 = 0 = = 1 = 1 1 0 = = = 1 = = = 0 = = 1 = = = 1 = = 1 0 1 = 0
–   Deep Sjeng c't 20102940+10
−10		(−61)23 − 15
(+10−2=26)
60.5%
23.0 / 38
100.0%
−4
0 = = = = 1 = 1 = 1 = 1 = = = = 0 = 1 = 1 = = = = = 1 = = = = 1 = 1 = 1 = =
–   Francesca MAD 0.30a 64-bit2936+25
−25		(−65)11.5 − 6.5
(+7−2=9)		63.9%
11.5 / 18
100.0%
+17
0 = 0 1 = 1 1 1 = = 1 1 = = = 1 = =
–   Shredder 12 32-bit2929+7
−7		(−72)47 − 25
(+29−7=36)
65.3%
47.0 / 72
100.0%
+20
1 1 1 1 = = = = = = 1 1 1 = 1 1 = = = 0 = = 1 = 0 = 0 = = = 1 = = = 1 = 1 = 1 1 0 1 = 1 1 = = = 1 1 0 1 = = = = = 1 = 1 = = 1 1 1 0 1 0 1 = = 1
–   Critter 0.80 32-bit2924+15
−15		(−77)22.5 − 14.5
(+11−3=23)
60.8%
22.5 / 37
100.0%
−17
1 = = = = = = 1 0 1 1 1 = 1 1 0 = = = = = = = 1 = = 1 = = = 1 1 = 0 = = =
–   Dirty CUCUMBER 64-bit2918+12
−12		(−83)7 − 5
(+5−3=4)		58.3%
7.0 / 12
100.0%
−27
1 1 = = 1 0 0 = 1 1 = 0
–   Komodo 1.3 32-bit2917+16
−16		(−84)19 − 14
(+9−4=20)
57.6%
19.0 / 33
100.0%
−38
= 1 = = 1 1 = = = = = = = 0 = = 0 1 = 1 = 0 = 1 = = 1 0 1 1 = = =
–   Rybka 2.3.2a 32-bit2912+9
−9		(−89)20 − 10
(+12−2=16)
66.7%
20.0 / 30
100.0%
+10
= 1 1 0 = = 1 = 1 = 0 1 1 = = = 1 = 1 = 1 = = = = 1 1 1 = =
–   Komodo 1.2 32-bit2896+14
−14		(−105)29.5 − 13.5
(+21−5=17)
68.6%
29.5 / 43
100.0%
+13
1 = 1 1 = = = 1 = = = = 1 = 1 1 = 1 = = 0 1 1 1 1 1 1 = 0 1 1 = = = 1 1 0 1 = 1 0 1 0
–   Hiarcs 13.22895+11
−10		(−106)20 − 10
(+12−2=16)
66.7%
20.0 / 30
100.0%
−9
1 1 = = = = = 1 = 1 1 = = 1 1 = = = 1 = 0 = 0 1 = = = 1 1 1
–   Fritz 122886+11
−11		(−115)25 − 13
(+16−4=18)
65.8%
25.0 / 38
100.0%
−17
1 = = 1 = 1 1 = = = 1 1 = = 1 = = = 1 0 0 = = = 1 0 = = 1 1 0 1 = 1 1 1 = 1
–   Gull 1.0a 32-bit2885+12
−12		(−116)25 − 9
(+19−3=12)
73.5%
25.0 / 34
100.0%
+42
1 = 1 = 1 1 1 1 1 1 = = 1 1 1 0 1 = 1 = 1 = = 0 1 0 1 1 1 = = = = 1
–   Protector 1.4.0 32-bit2878+11
−11		(−123)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
+7
= 1 = 1 = 1 1 1 = 0 = 1 1 = 0 = 1 = = 1 = 1 1 1 0 1 1 1 = =
–   Gull 1.1 32-bit2876+17
−17		(−125)27.5 − 12.5
(+15−0=25)
68.8%
27.5 / 40
100.0%
−20
1 = 1 1 = 1 1 = = = = = 1 = = = = = = 1 = 1 = = 1 = = 1 = = 1 = 1 = = = 1 1 1 =
–   Hiarcs 13.12874+14
−14		(−127)27 − 15
(+18−6=18)
64.3%
27.0 / 42
100.0%
−39
1 1 1 0 1 0 = = 1 1 1 1 = = = 1 1 1 = = 1 1 = 1 = 0 0 = = = 1 = 0 1 1 = = 0 = 1 = =
–   Spark 1.0 32-bit2864+11
−11		(−137)23.5 − 9.5
(+16−2=15)
71.2%
23.5 / 33
100.0%
−4
1 = 1 = = 1 1 1 0 = = 1 1 1 1 = 1 1 = = = = = = = 1 = 1 1 0 = 1 1
–   Thinker 5.4d Inert 32-bit2856+10
−10		(−145)28 − 11
(+21−4=14)
71.8%
28.0 / 39
100.0%
0
= = = 1 1 1 1 1 1 1 = 1 1 = 1 = = = 0 1 0 = 1 = = 1 1 1 1 0 = 1 1 = 1 0 = 1 1
–   Deep Junior 12 32-bit2856+18
−19		(−145)24.5 − 12.5
(+16−4=17)
66.2%
24.5 / 37
100.0%
−46
= 1 1 1 = = = 1 1 = 0 = 0 = 1 0 1 = 1 = 1 = 1 1 1 = = = 1 0 = = 1 1 = 1 =
–   Booot 5.1.02844+10
−10		(−157)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−8
0 = 1 = 1 1 = 1 1 1 1 = 1 1 = 1 1 0 1 1 1 1 = 0 0 = = 1 1 = 1 =
–   Deep Junior 11.1a 32-bit2831+17
−17		(−170)22.5 − 7.5
(+18−3=9)
75.0%
22.5 / 30
100.0%
+3
1 1 = = 1 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 0 1 = 0 = 1 = = 0
–   Protector 1.3.5 32-bit2828+15
−15		(−173)27 − 10
(+20−3=14)
73.0%
27.0 / 37
100.0%
−23
= 1 1 = = = 1 = 1 1 0 = = 1 1 1 1 1 1 1 0 1 1 = = = 1 1 0 1 1 1 = 1 = = =
–   Grapefruit 1.0 32-bit2826+9
−9		(−175)21.5 − 8.5
(+14−1=15)
71.7%
21.5 / 30
100.0%
−46
0 1 = 1 1 1 = = = = = 1 1 1 1 = = = 1 1 1 = = = = = 1 = 1 1
–   Booot 5.02824+15
−15		(−177)26.5 − 7.5
(+20−1=13)
77.9%
26.5 / 34
100.0%
+8
1 1 1 1 = 1 1 1 = = = 1 1 1 = 1 = 1 = = 1 1 = = 1 1 = 1 = = 1 0 1 1
–   Cyclone xTreme2823+13
−13		(−178)24.5 − 5.5
(+19−0=11)
81.7%
24.5 / 30
100.0%
+35
1 1 1 1 1 = 1 = = = 1 = = = = = 1 1 = 1 1 1 1 1 1 1 1 1 = 1
–   Spark 0.4 32-bit2821+16
−16		(−180)27 − 7
(+23−3=8)
79.4%
27.0 / 34
100.0%
+40
1 1 = 1 1 0 = 0 1 = 1 = 1 1 1 1 1 = = 1 1 1 1 1 0 1 = 1 1 1 1 = 1 1
–   Hannibal 1.0a 32-bit2800+12
−12		(−201)29 − 8
(+21−0=16)
78.4%
29.0 / 37
100.0%
−21
= = 1 = = 1 = 1 1 = 1 1 = = = 1 = = 1 1 = 1 1 = 1 = 1 1 1 = 1 1 = 1 1 1 1
–   Bright 0.5c2778+12
−12		(−223)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
−57
= 1 1 = = 1 1 = 1 = = 1 1 = 1 1 1 0 = 1 = 1 1 = 1 = 1 1 1 0
–   Jonny 4.002777+11
−11		(−224)28 − 6
(+22−0=12)
82.4%
28.0 / 34
100.0%
−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		(−252)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−33
1 1 =
–   MinkoChess 1.0 32-bit2744+32
−32		(−257)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Tornado 4.4 32-bit2744+23
−23		(−257)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   MinkoChess 1.1 32-bit2740+27
−27		(−261)5.5 − 0.5
(+5−0=1)		91.7%
5.5 / 6
100.0%
+96
1 1 1 1 = 1
–   Crafty 23.4 32-bit2732+19
−19		(−269)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
1320 games: 532 wins, 165 losses, 623 draws (47.2%), score: 63.9%

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