CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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SugaR AI 1.00 64-bit 4CPU (3519+26
−26
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members, Marco Zerbinati Links: List of Authors, Homepage, Development Versions, Testing Framework, Homepage
Stockfish was originally based on Glaurung by Tord Romstad. Per the author, SugaR is derived from Stockfish. Source code is provided.
This is one of the 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ShashChess 15.0 64-bit 4CPU3530+23
−22
(+11)16 − 16
(+1−1=30)
50.0%
16.0 / 32
24.6%
+11
= = = = = = = = = = = = = = 1 = = = = = = = = = = = = = = 0 = =
–   Stockfish 12 64-bit 4CPU3515+19
−19
(−4)16 − 16
(+0−0=32)
50.0%
16.0 / 32
57.5%
−4
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   RubiChess 2.1 64-bit 4CPU3411+27
−27
(−108)8 − 4
(+4−0=8)
66.7%
8.0 / 12
100.0%
−16
1 = = 1 = 1 = 1 = = = =
–   Houdini 6 64-bit 4CPU3398+10
−10
(−121)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+8
= = 1 1 1 = 1 = 1 = = 1 1 = 1 = 1 = 1 = 1 1 1 = = = = = = = 1 =
–   SlowChess Blitz 2.5 64-bit 4CPU3396+18
−18
(−123)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−9
1 = = = 1 1 1 = = = = 1 = = 1 1 0 1 0 1 = 1 = 1 = 1 = 1 = = = 1
–   Ethereal 12.75 64-bit 4CPU3392+15
−15
(−127)22 − 10
(+13−1=18)
68.8%
22.0 / 32
100.0%
−19
1 1 1 1 = = = = 1 1 1 = = = 1 = = = = = = 1 1 1 = = 1 = = = 1 0
–   Nemorino 6.00 64-bit 4CPU3384+17
−17
(−135)25 − 7
(+18−0=14)
78.1%
25.0 / 32
100.0%
+45
= = = = 1 = 1 = 1 = 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 = = =
–   SlowChess Blitz 2.4 64-bit 4CPU3357+22
−21
(−162)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
−21
1 1 1 = = = 1 = 1 1 1 = = = 1 1 = = 1 = 1 = 1 = = = = 1 1 = 1 =
–   RubiChess 2.0 64-bit 4CPU3356+20
−20
(−163)25 − 7
(+18−0=14)
78.1%
25.0 / 32
100.0%
+19
= = 1 1 = 1 = 1 = 1 = 1 1 1 = 1 = 1 = 1 = 1 = 1 1 1 = 1 = 1 = 1
–   Booot 6.5 64-bit 4CPU3336+22
−22
(−183)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
+11
= 1 1 1 = 1 = = 1 1 1 1 1 1 1 = = = = 1 1 1 = = = 1 = 1 1 1 = 1
–   Xiphos 0.6 64-bit 4CPU3330+13
−13
(−189)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−24
1 1 1 = = = 1 1 1 1 = = 1 = 1 1 1 = 1 = = 1 = = 1 1 1 = = 1 = =
–   Fire 7.1 64-bit 4CPU3320+11
−11
(−199)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
−59
1 1 = = 1 1 1 = 1 = = = = 1 1 = 1 = 1 = = 1 = = = = 1 = 1 = 1 1
–   RofChade 2.3 64-bit 4CPU3311+14
−14
(−208)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+58
= = 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 4CPU3303+18
−18
(−216)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+10
= 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 4CPU3297+15
−15
(−222)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−9
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 1, 2021