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 13 64-bit 4CPU#1  (3548+19
−18
)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. On our 40/15 list, this includes a small number of games from the development version of 2021-02-16. We tested this version, which subsequently had no further functional changes to it and essentially became Stockfish 13.
This is one of the 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit 4CPU3524+19
−18
(−24)26 − 26
(+0−0=52)
50.0%
26.0 / 52
96.8%
−24
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   Dragon by Komodo 64-bit 4CPU3496+15
−15
(−52)29 − 21
(+8−0=42)
58.0%
29.0 / 50
100.0%
−12
= = = = = = = = 1 = 1 = = = = 1 = = = = = = = = = 1 = = = = = = = = = 1 = = 1 = = 1 = 1 = = = = = =
–   RubiChess 2.1 64-bit 4CPU3410+23
−23
(−138)15 − 5
(+10−0=10)
75.0%
15.0 / 20
100.0%
+16
= 1 = 1 1 1 = 1 = 1 = = 1 = = 1 = 1 = 1
–   Komodo 13.1 64-bit 4CPU3401+20
−20
(−147)36.5 − 13.5
(+23−0=27)
73.0%
36.5 / 50
100.0%
−8
1 = 1 = 1 1 = = 1 = 1 = 1 = 1 = 1 = = 1 1 = 1 = 1 = = = = = 1 = 1 = 1 1 = = 1 1 1 = 1 = 1 = = = 1 =
–   Igel 3.0.0 64-bit 4CPU3399+22
−22
(−149)26.5 − 7.5
(+19−0=15)
77.9%
26.5 / 34
100.0%
+28
1 = 1 1 = = 1 1 = = 1 = = = 1 1 1 1 = 1 = 1 = 1 = 1 1 = 1 1 = 1 = 1
–   Houdini 6 64-bit 4CPU3397+10
−10
(−151)39.5 − 12.5
(+27−0=25)
76.0%
39.5 / 52
100.0%
+10
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 2.5 64-bit 4CPU3394+18
−18
(−154)41.5 − 10.5
(+31−0=21)
79.8%
41.5 / 52
100.0%
+41
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 = = = =
–   Ethereal 12.75 64-bit 4CPU3390+15
−15
(−158)43 − 13
(+30−0=26)
76.8%
43.0 / 56
100.0%
+11
= 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 =
–   Fire 8 64-bit 4CPU3383+17
−17
(−165)38.5 − 11.5
(+27−0=23)
77.0%
38.5 / 50
100.0%
+2
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 =
–   Nemorino 6.00 64-bit 4CPU3382+17
−17
(−166)40 − 12
(+28−0=24)
76.9%
40.0 / 52
100.0%
+3
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 = =
–   Nemorino 6.05 64-bit 4CPU3374+23
−23
(−174)30 − 8
(+22−0=16)
78.9%
30.0 / 38
100.0%
+13
1 1 = 1 = 1 1 1 1 = 1 1 1 = = 1 = 1 = = 1 1 = 1 = 1 1 1 = 1 = = = 1 1 1 = =
–   Igel 2.9.0 64-bit 4CPU3359+17
−17
(−189)38.5 − 11.5
(+27−0=23)
77.0%
38.5 / 50
100.0%
−19
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
–   RubiChess 2.0 64-bit 4CPU3354+20
−20
(−194)24 − 8
(+16−0=16)
75.0%
24.0 / 32
100.0%
−40
= 1 1 1 = = = 1 = 1 = 1 = = = 1 = 1 1 1 = = = 1 1 1 1 = = 1 = 1
–   Komodo 13.3 64-bit3343+13
−13
(−205)39 − 9
(+30−0=18)
81.3%
39.0 / 48
100.0%
+6
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 =
–   Lc0 0.27.0 w703810 64-bit 4CPU3333+18
−18
(−215)27 − 11
(+16−0=22)
71.1%
27.0 / 38
100.0%
−92
= 1 = = = = = 1 1 = = = = = = 1 = 1 = 1 = = = 1 = 1 = 1 = 1 1 1 1 1 = = 1 1
–   Booot 6.5 64-bit 4CPU3332+21
−22
(−216)22.5 − 9.5
(+13−0=19)
70.3%
22.5 / 32
100.0%
−100
= = = = 1 = = = 1 1 = = 1 1 = 1 1 = = = = 1 = 1 1 1 = 1 = 1 = =
–   Xiphos 0.6 64-bit 4CPU3328+13
−13
(−220)42.5 − 7.5
(+35−0=15)
85.0%
42.5 / 50
100.0%
+35
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
–   RofChade 2.3 64-bit 4CPU3310+14
−14
(−238)88 − 16
(+72−0=32)
84.6%
88.0 / 104
100.0%
+10
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 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
–   Pedone 3.0 64-bit 4CPU3301+18
−18
(−247)46.5 − 5.5
(+41−0=11)
89.4%
46.5 / 52
100.0%
+72
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 = 1 = 1 =
–   Laser 1.7 64-bit 4CPU3284+13
−13
(−264)100 − 14
(+86−0=28)
87.7%
100.0 / 114
100.0%
+27
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 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 = 1 = 1 1 1 1 1 1 1 =

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