CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

Options
Show each game results
GNU Chess 6.25 64-bit in CCRL 40/4, 2019-10-19
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
GNU Chess 6.25 64-bit has no rank with rating of 2660 Elo points (+31 -32),
based on 346 games: 94 wins, 146 losses and 106 draws
Score: 42.5%, Average opponent: +52.5, Draws: 30.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - ChessBrainVB 3.31                  2828   8.5-21.5  (+5 -18=7 )    0.0    +6
 - Scorpio 2.7.6 64-bit               2815   9.0-20.0  (+3 -14=12)    0.0   +36
 - Rhetoric 1.4.3 64-bit              2804   9.5-20.5  (+4 -15=11)    0.0   +21
 - Ktulu 9                            2781  11.0-17.0  (+7 -13=8 )    0.0   +47
 - The Baron 3.29 64-bit              2772   8.5-21.5  (+5 -18=7 )    0.0   -45
 - Alaric 707                         2663  13.5-13.5  (+10-10=7 )   43.4     0
 - Nebula 2.0 64-bit                  2654  12.5-15.5  (+8 -11=9 )   64.9   -44
 - Gogobello 1.3 64-bit               2653   9.5-19.5  (+6 -16=7 )   64.3  -132
 - Phalanx XXV                        2653  14.5-15.5  (+10-11=9 )   66.6   -19
 - Colossus 2008b                     2641  18.0-10.0  (+13-5 =10)   87.4   +77
 - Cyrano 0.6b17 64-bit               2641  16.0-14.0  (+10-8 =12)   87.6    +4
 - Ethereal 8.16 64-bit               2629  16.5-10.5  (+13-7 =7 )   95.3   +44


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019