CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 11 64-bit 4CPU (3479+20
−19		)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
–   ShashChess 8.0 64-bit 4CPU3444+16
−15		(−35)25.5 − 24.5
(+3−2=45)
51.0%
25.5 / 50
99.8%
−30
= = = = 1 = = = = = = = = = = = = = = = = = = 0 = = = 1 = = = = = = = = = = = = 1 0 = = = = = = = =
–   Komodo 14 64-bit 4CPU3417+18
−18		(−62)18.5 − 13.5
(+5−0=27)
57.8%
18.5 / 32
100.0%
−22
= 1 = = = = = = = 1 = = = = = = = = = 1 = = = = = 1 = = = = = 1
–   Komodo 13.3 64-bit 4CPU3414+21
−21		(−65)21 − 11
(+11−1=20)
65.6%
21.0 / 32
100.0%
+21
= = = 1 = 1 0 1 1 1 = = = = = 1 = = = = = 1 1 = = 1 1 = = = 1 =
–   Komodo 13.1 64-bit 4CPU3403+21
−21		(−76)39 − 17
(+24−2=30)
69.6%
39.0 / 56
100.0%
+40
= = 1 = 1 0 1 1 1 = = = 1 1 1 = 1 = 1 = 1 = = = = = 1 = 1 1 1 0 = = = = 1 = 1 = = 1 = = 1 1 = = = 1 1 = 1 = = 1
–   Houdini 6 64-bit 4CPU3399+10
−10		(−80)37.5 − 18.5
(+20−1=35)
67.0%
37.5 / 56
100.0%
+13
= = = = 1 = = = 1 1 = = = 1 1 = = 1 1 = = 1 1 = = 1 = = = 1 1 = = = = = 1 = 1 = = = = 1 1 = 1 0 = = 1 1 = = 1 =
–   Komodo 14 MCTS 64-bit 4CPU3373+23
−23		(−106)19.5 − 12.5
(+7−0=25)
60.9%
19.5 / 32
100.0%
−51
= = = = = 1 = = = = = = 1 = = = = 1 1 1 = 1 1 = = = = = = = = =
–   Ethereal 12.00 64-bit 4CPU3351+22
−22		(−128)21.5 − 8.5
(+13−0=17)
71.7%
21.5 / 30
100.0%
−2
1 1 1 = 1 = 1 = = = = 1 = 1 = 1 = 1 = 1 = = = 1 = = 1 1 = =
–   Ethereal 11.75 64-bit 4CPU3346+21
−21		(−133)37.5 − 16.5
(+21−0=33)
69.4%
37.5 / 54
100.0%
−24
1 = = 1 1 = = = 1 = = = = 1 1 = 1 = 1 = = 1 1 1 = 1 1 = 1 = 1 = 1 = = = = = 1 = = 1 = = = 1 = 1 = = = 1 = =
–   Xiphos 0.6 64-bit 4CPU3334+14
−14		(−145)41.5 − 12.5
(+29−0=25)
76.9%
41.5 / 54
100.0%
+22
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 = 1
–   SlowChess Blitz Classic 2.2 64-bit 4CPU3329+20
−20		(−150)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−22
1 1 1 = = 1 = = = = = = = 1 = 1 = 1 1 1 = = = 1 1 = = = = 1 1 1
–   Fire 7.1 64-bit 4CPU3322+11
−11		(−157)42 − 12
(+30−0=24)
77.8%
42.0 / 54
100.0%
+20
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 = 1 1
–   RofChade 2.3 64-bit 4CPU3312+16
−16		(−167)21.5 − 10.5
(+11−0=21)
67.2%
21.5 / 32
100.0%
−73
1 = 1 1 = = = = 1 1 = = = = 1 1 = = = = = 1 = 1 = = = 1 1 = = =
–   Booot 6.4 64-bit 4CPU3300+16
−16		(−179)24 − 8
(+16−0=16)
75.0%
24.0 / 32
100.0%
−27
1 1 1 1 = 1 = 1 = = 1 1 = 1 1 = 1 = = = = 1 = 1 = = 1 1 = = = 1
–   RubiChess 1.8 64-bit 4CPU3293+20
−20		(−186)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
−45
= 1 = 1 1 1 = = = 1 = = = 1 = = = 1 = 1 = 1 1 1 1 1 1 1 = = = =
–   Laser 1.7 64-bit 4CPU3288+13
−13		(−191)42 − 10
(+32−0=20)
80.8%
42.0 / 52
100.0%
+14
= 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 1 = 1 = 1 1 =
–   RofChade 2.202 64-bit 4CPU3279+18
−18		(−200)36 − 8
(+28−0=16)
81.8%
36.0 / 44
100.0%
+16
= 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 = = =
–   Defenchess 2.2 64-bit 4CPU3278+15
−15		(−201)43 − 7
(+36−0=14)
86.0%
43.0 / 50
100.0%
+67
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 = 1 1 1 1 = = 1 1 1 = 1 =
–   Fritz 17 64-bit 4CPU3277+17
−17		(−202)25 − 7
(+18−0=14)
78.1%
25.0 / 32
100.0%
−21
= 1 = 1 1 1 1 = = 1 1 = = 1 1 1 = 1 1 1 = 1 = 1 = = 1 1 = = = 1
–   SlowChess Blitz Classic 2.1 64-bit 4CPU3276+22
−22		(−203)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+31
= 1 1 1 1 1 = 1 = 1 = 1 1 1 = 1 = = = 1 1 1 = 1 1 1 = 1 1 1
–   Fizbo 2 64-bit 4CPU3272+12
−12		(−207)46.5 − 7.5
(+39−0=15)
86.1%
46.5 / 54
100.0%
+62
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 1 1 1 1 = 1 1 1 = 1 1 1 = 1 = = =
840 games: 392 wins, 6 losses, 442 draws (52.6%), score: 73.0%

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021