CCRL 40/2 FRC
Downloads and Statistics
April 3, 2021
Testing summary:
Total: 323'540 games
played by 249 programs

White wins: 130'279 (40.3%)
Black wins: 110'397 (34.1%)
Draws: 82'864 (25.6%)
White score: 53.1%

Engine Details

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Stockfish 1.8 (3128+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 32 Stockfish versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Critter 0.903104+20
−20
(−24)57.5 − 42.5
(+42−27=31)
57.5%
57.5 / 100
96.1%
+27
= 0 1 = 0 1 1 1 0 0 = 0 1 1 1 0 = 1 = = = 1 = 1 1 1 0 1 = = 1 1 = 0 = 0 1 1 = 1 0 = 0 = 1 1 = 0 1 = 1 0 1 = 1 1 1 0 0 = 1 0 1 = = 1 = 1 1 1 0 = 1 1 0 1 0 0 1 = 0 = 0 0 = = = 1 0 = 1 0 1 0 1 0 1 1 = =
–   Rybka 33087+13
−13
(−41)50 − 50
(+33−33=34)
50.0%
50.0 / 100
100.0%
−40
0 1 = 1 1 = 0 = 0 = 1 1 1 1 1 1 = = 0 0 = = 0 = = 1 0 0 0 = 1 = 1 1 0 1 0 0 = = 0 = = 0 1 = = 1 = 0 1 = 0 1 = = 1 0 0 0 0 1 0 1 0 = 0 1 1 1 1 = 1 0 1 = = = 1 1 0 = 1 = 1 1 = 0 = 0 = 0 = 1 0 0 0 0 = 0
–   Critter 0.803037+19
−19
(−91)68 − 32
(+53−17=30)
68.0%
68.0 / 100
100.0%
+31
0 = 1 0 1 = = 1 = 1 = = 1 1 = = 0 1 1 = 1 = = 1 1 0 = = 0 1 1 1 0 1 1 = 1 1 0 1 = 1 1 = = 1 0 1 1 1 0 0 1 1 = = 0 1 = = 1 1 0 1 1 1 1 = 0 = 0 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 = = = 1 0 1 1 = 1 1 0 = 0 1
–   Naum 4.23033+9
−9
(−95)70.5 − 29.5
(+60−19=21)
70.5%
70.5 / 100
100.0%
+58
1 1 1 0 = 1 0 0 1 0 1 = 1 0 = 1 1 = = 1 1 1 1 = 0 1 0 1 1 = 0 1 1 = 1 0 0 1 1 1 1 1 1 1 1 1 0 1 1 0 = 1 1 1 0 0 1 1 1 = 1 = 0 = 1 0 = 0 1 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 = 1 1 = = 1 = 0 0 = 1 1 1 1 = 1
–   Shredder 123013+8
−8
(−115)63 − 37
(+52−26=22)
63.0%
63.0 / 100
100.0%
−19
1 1 1 1 = 1 1 1 0 1 1 0 1 0 1 1 = = 0 = 1 = 1 1 1 1 1 0 1 = = = = 1 1 1 0 = 1 = 0 0 1 0 = 0 0 1 0 1 0 1 0 0 0 1 = 1 1 = 1 1 1 1 1 0 1 = 1 = = 0 1 0 1 1 0 1 0 1 1 1 1 1 = = = = = 1 1 1 1 0 0 0 1 0 0 1
–   Spike 1.4 Leiden2942+8
−8
(−186)71 − 29
(+58−16=26)
71.0%
71.0 / 100
100.0%
−36
1 1 1 0 = 1 1 = 1 1 0 1 1 0 1 0 = 1 1 1 1 1 = 1 1 0 1 1 = = = = 1 = 1 = = 0 0 1 1 1 1 0 1 0 1 1 = 1 1 0 1 1 1 = 0 1 1 1 = 1 = 1 1 1 1 = = 1 1 1 1 0 1 0 1 1 = 1 1 = 0 = 1 1 = 1 1 0 = 1 = = 0 = 1 1 1 =
–   Hiarcs 13.22928+8
−8
(−200)77.5 − 22.5
(+65−10=25)
77.5%
77.5 / 100
100.0%
+1
1 = 1 1 = 1 1 = 0 = 1 1 = 1 = 1 1 1 1 1 1 1 1 0 1 = 0 1 0 1 1 1 = 1 = 1 1 = 1 = 1 1 1 1 1 = = 1 1 = 1 0 1 1 1 1 = 1 1 0 = 1 = 1 1 = 1 1 1 1 0 0 = 1 1 1 0 1 = 1 1 1 1 1 = 1 0 1 = 1 1 1 1 1 1 1 = = 1 =
–   Hiarcs 13.12898+16
−16
(−230)74 − 26
(+61−13=26)
74.0%
74.0 / 100
100.0%
−56
1 1 0 1 = 1 1 1 1 0 1 0 0 1 1 = 1 = 1 = 1 0 1 1 = 1 = 0 1 1 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 1 1 = = 1 1 1 1 1 1 1 1 = 1 = 1 0 0 1 1 = 1 0 1 1 1 0 0 = 1 =
–   Deep Sjeng WC20082878+8
−8
(−250)81 − 19
(+71−9=20)
81.0%
81.0 / 100
100.0%
−8
1 1 1 1 = 1 0 = 1 1 = 1 1 1 1 1 1 = 1 1 = = 1 1 1 1 1 1 1 0 = = 1 1 1 1 1 1 1 1 1 0 = 1 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 1 1 1 = = 0 1 1 1 0 1 = 1 1 1 1 1 0 0 = 1 1 1
–   Hiarcs 12.12826+12
−12
(−302)85.5 − 14.5
(+77−6=17)
85.5%
85.5 / 100
100.0%
−10
1 = 1 1 1 = 1 1 1 1 = 1 1 = 1 = = = 1 1 1 0 0 1 = 1 1 1 1 = 1 1 = 1 1 1 1 1 1 = 0 1 = 1 1 0 1 1 = 1 1 1 1 1 0 1 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 = 1 1 1 1 1 1 1 1
–   Cyclone xTreme Fear2824+9
−9
(−304)90.5 − 9.5
(+85−4=11)
90.5%
90.5 / 100
100.0%
+68
1 1 1 = = 1 1 1 1 1 1 1 1 1 1 1 1 0 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 = 1 1 1 = 1 1 1 1 1 1 = 1 1 = = 1 = 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 0

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 1.8
played with current
participants of this list
Represented by
1-2-CPU    400Stockfish 190321
All    400Stockfish 190321
Free    200Stockfish 190321
Free 1-2-CPU    200Stockfish 190321
Free single-CPU    200Stockfish 190321
Open source    100Stockfish 190321
Open source 1-2-CPU    100Stockfish 190321
Open source single-CPU    100Stockfish 190321
Single-CPU    400Stockfish 190321

Created in 2005-2008 by CCRL team
Last games added on April 3, 2021