CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Counter 1.99 64-bit in CCRL 40/4, 2019-12-07
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:
Counter 1.99 64-bit has no rank with rating of 2451 Elo points (+23 -23),
based on 640 games: 191 wins, 270 losses and 179 draws
Score: 43.8%, Average opponent: +42.9, Draws: 28.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Ufim 8.02                          2540  14.0-18.0  (+9 -13=10)    0.0   +49
 - AnMon 5.75                         2539  12.0-20.0  (+9 -17=6 )    0.0    -5
 - Fridolin 2.00 64-bit               2538   9.5-21.5  (+5 -17=9 )    0.0   -47
 - Gogobello 1.1 64-bit               2533  12.0-19.0  (+7 -14=10)    0.0    +9
 - Hermann 2.8 64-bit                 2531  14.0-18.0  (+11-15=6 )    0.0   +33
 - ECE X                              2511  17.0-15.0  (+13-11=8 )    0.0   +85
 - Coiled 0.4 64-bit                  2508   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Dorky 4.5 64-bit                   2505  15.0-17.0  (+10-12=10)    0.0   +35
 - Little Goliath Evolution 3.12      2505  16.0-15.0  (+12-11=8 )    0.0   +64
 - Yace 0.99.87                       2504  15.0-17.0  (+12-14=6 )    0.0   +31
 - Betsabe II 1.66                    2495  10.5-21.5  (+5 -16=11)    0.1   -70
 - Bruja 1.9.1 64-bit                 2491  11.5-20.5  (+8 -17=7 )    0.1   -61
 - CyberPagno 3.0 64-bit              2491  14.0-18.0  (+10-14=8 )    0.1    -2
 - Tao 5.6                            2486  11.0-20.0  (+9 -18=4 )    0.2   -78
 - Mephisto Gideon Professional       2474  13.5-18.5  (+9 -14=9 )    3.9   -29
 - Cerebro 3.03d                      2471  15.0-17.0  (+10-12=10)    4.9    -1
 - Kiwi 0.6d 64-bit                   2470  16.5-15.5  (+10-9 =13)    7.0   +29
 - Schooner 1.7.0 64-bit              2464  15.5-16.5  (+9 -10=13)   18.5    +6
 - LittleThought 1.052 64-bit         2452  17.0-15.0  (+12-10=10)   46.2   +19
 - Matacz 1.4                         2446  15.0-17.0  (+10-12=10)   65.5   -28
 - Delphil 3.2 64-bit                 2432  16.5-15.5  (+11-10=11)   92.3   -10


Created in 2005-2013 by CCRL team
Last games added on December 7, 2019