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 2021-01-11 64-bit 4CPU (3547+19
−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 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit 4CPU3524+19
−18
(−23)16 − 16
(+2−2=28)
50.0%
16.0 / 32
95.5%
−23
–   Fat Fritz 2 (in SF) 64-bit3507+16
−15
(−40)27.5 − 24.5
(+4−1=47)
52.9%
27.5 / 52
99.9%
−27
–   Dragon by Komodo 64-bit 4CPU3496+15
−15
(−51)30.5 − 19.5
(+11−0=39)
61.0%
30.5 / 50
100.0%
+6
–   Dragon by Komodo 64-bit3471+14
−14
(−76)31 − 19
(+12−0=38)
62.0%
31.0 / 50
100.0%
−12
–   RubiChess 2.1 64-bit 4CPU3410+23
−23
(−137)26 − 12
(+14−0=24)
68.4%
26.0 / 38
100.0%
−33
–   Igel 3.0.0 64-bit 4CPU3399+22
−22
(−148)24.5 − 9.5
(+15−0=19)
72.1%
24.5 / 34
100.0%
−19
–   Houdini 6 64-bit 4CPU3397+10
−10
(−150)40.5 − 9.5
(+31−0=19)
81.0%
40.5 / 50
100.0%
+57
–   SlowChess Blitz 2.5 64-bit 4CPU3394+18
−18
(−153)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−23
–   Ethereal 12.75 64-bit 4CPU3390+15
−15
(−157)39 − 11
(+28−0=22)
78.0%
39.0 / 50
100.0%
+22
–   Fire 8 64-bit 4CPU3383+17
−17
(−164)42.5 − 11.5
(+31−0=23)
78.7%
42.5 / 54
100.0%
+20
–   Nemorino 6.00 64-bit 4CPU3382+17
−17
(−165)36.5 − 13.5
(+23−0=27)
73.0%
36.5 / 50
100.0%
−28
–   Igel 2.9.0 64-bit 4CPU3359+17
−17
(−188)35 − 15
(+21−1=28)
70.0%
35.0 / 50
100.0%
−71
–   Igel 2.8.0 64-bit 4CPU3358+25
−25
(−189)54 − 12
(+42−0=24)
81.8%
54.0 / 66
100.0%
+26
–   SlowChess Blitz 2.4 64-bit 4CPU3355+22
−21
(−192)39.5 − 10.5
(+29−0=21)
79.0%
39.5 / 50
100.0%
−4
–   Lc0 0.27.0 w703810 64-bit 4CPU3333+18
−18
(−214)13.5 − 4.5
(+9−0=9)
75.0%
13.5 / 18
100.0%
−59
–   Booot 6.5 64-bit 4CPU3332+21
−22
(−215)15 − 3
(+12−0=6)
83.3%
15.0 / 18
100.0%
+19
–   Xiphos 0.6 64-bit 4CPU3328+13
−13
(−219)43 − 7
(+36−0=14)
86.0%
43.0 / 50
100.0%
+48
–   Fire 7.1 64-bit 4CPU3319+11
−11
(−228)44 − 6
(+38−0=12)
88.0%
44.0 / 50
100.0%
+67
–   RofChade 2.3 64-bit 4CPU3310+14
−14
(−237)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
100.0%
−6
–   Pedone 3.0 64-bit 4CPU3301+18
−18
(−246)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
100.0%
−15
–   Booot 6.4 64-bit 4CPU3296+15
−15
(−251)47 − 5
(+42−0=10)
90.4%
47.0 / 52
100.0%
+84

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