CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (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 4CPU3525+18
−18
(−22)16 − 16
(+2−2=28)
50.0%
16.0 / 32
95.4%
−22
= = 0 1 = = = 1 = = = = = = = = = = = = = = = = 0 = = = = = = =
–   Fat Fritz 2 (in SF) 64-bit3506+15
−15
(−41)27.5 − 24.5
(+4−1=47)
52.9%
27.5 / 52
99.9%
−28
= = = = = = = = = = = = 1 = = = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = 0 1 1 = = = = =
–   Dragon by Komodo 64-bit 4CPU3496+16
−15
(−51)30.5 − 19.5
(+11−0=39)
61.0%
30.5 / 50
100.0%
+6
= = = = = = 1 = = = = = = = = = = 1 = = = = 1 = = = = = = = 1 = 1 = = = 1 = = = 1 = 1 = 1 = 1 = 1 =
–   Dragon by Komodo 64-bit3472+14
−14
(−75)31 − 19
(+12−0=38)
62.0%
31.0 / 50
100.0%
−11
= = = = 1 = 1 = 1 = 1 = = = = = 1 = 1 = 1 = = = 1 = = = 1 = = = = = = = = = = 1 = = = = = = 1 = 1 =
–   RubiChess 2.1 64-bit 4CPU3409+20
−20
(−138)32 − 14
(+18−0=28)
69.6%
32.0 / 46
100.0%
−27
= 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+21
−22
(−148)24.5 − 9.5
(+15−0=19)
72.1%
24.5 / 34
100.0%
−19
= 1 = = = 1 = = 1 = = = = = 1 1 1 1 1 1 = = 1 1 1 = = = = 1 = 1 = 1
–   Houdini 6 64-bit 4CPU3397+10
−10
(−150)40.5 − 9.5
(+31−0=19)
81.0%
40.5 / 50
100.0%
+57
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
–   SlowChess Blitz 2.5 64-bit 4CPU3394+17
−17
(−153)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−23
= 1 = = = 1 = 1 = 1 = 1 = = = = = 1 1 1 = 1 1 = = = 1 1 = 1 = 1
–   Ethereal 12.75 64-bit 4CPU3391+15
−15
(−156)39 − 11
(+28−0=22)
78.0%
39.0 / 50
100.0%
+23
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 4CPU3384+17
−17
(−163)42.5 − 11.5
(+31−0=23)
78.7%
42.5 / 54
100.0%
+21
= 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
–   Nemorino 6.00 64-bit 4CPU3383+17
−17
(−164)36.5 − 13.5
(+23−0=27)
73.0%
36.5 / 50
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 =
–   Igel 2.9.0 64-bit 4CPU3360+16
−16
(−187)35 − 15
(+21−1=28)
70.0%
35.0 / 50
100.0%
−70
= 1 = 1 = = 0 1 1 1 = 1 = 1 = 1 = 1 1 = = = = = 1 1 = 1 = 1 = = = = = = = 1 1 1 1 = = 1 1 = 1 = = =
–   Igel 2.8.0 64-bit 4CPU3358+25
−25
(−189)54 − 12
(+42−0=24)
81.8%
54.0 / 66
100.0%
+26
= 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
–   SlowChess Blitz 2.4 64-bit 4CPU3356+21
−21
(−191)39.5 − 10.5
(+29−0=21)
79.0%
39.5 / 50
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 1 =
–   Lc0 0.27.0 w703810 64-bit 4CPU3335+17
−17
(−212)13.5 − 4.5
(+9−0=9)
75.0%
13.5 / 18
100.0%
−57
= = = = 1 = 1 = 1 = 1 1 1 1 1 = 1 =
–   Booot 6.5 64-bit 4CPU3329+21
−21
(−218)15 − 3
(+12−0=6)
83.3%
15.0 / 18
100.0%
+16
1 = 1 = = = 1 1 1 1 1 1 1 = 1 = 1 1
–   Xiphos 0.6 64-bit 4CPU3328+13
−13
(−219)43 − 7
(+36−0=14)
86.0%
43.0 / 50
100.0%
+48
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
–   Fire 7.1 64-bit 4CPU3319+11
−11
(−228)44 − 6
(+38−0=12)
88.0%
44.0 / 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 1 1 =
–   RofChade 2.3 64-bit 4CPU3310+14
−14
(−237)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
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 1 1 = 1 =
–   Pedone 3.0 64-bit 4CPU3300+18
−18
(−247)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
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 = 1 = 1 1 1 = 1 =
–   Booot 6.4 64-bit 4CPU3296+15
−15
(−251)47 − 5
(+42−0=10)
90.4%
47.0 / 52
100.0%
+84
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 15, 2021