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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Zevra 2.1.1 r216 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:
Zevra 2.1.1 r216 64-bit has no rank with rating of 2379 Elo points (+18 -18),
based on 1187 games: 400 wins, 539 losses and 248 draws
Score: 44.1%, Average opponent: +43.9, Draws: 20.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Pupsi2 0.09 64-bit                 2529  10.0-20.0  (+8 -18=4 )    0.0   +20
 - Jumbo 0.6.96 64-bit                2490  16.5-23.5  (+12-19=9 )    0.0   +47
 - Jumbo 0.6.66 64-bit                2464  13.0-27.0  (+8 -22=10)    0.0   -40
 - Anatoli 0.35k                      2455  16.5-15.5  (+15-14=3 )    0.0   +87
 - LittleThought 1.052 64-bit         2452  15.0-17.0  (+12-14=6 )    0.0   +49
 - Matacz 1.4                         2446  17.5-14.5  (+14-11=7 )    0.0  +105
 - Lozza 1.18 64-bit                  2445  14.0-18.0  (+12-16=4 )    0.0   +15
 - Ares 1.005.2 64-bit                2441  10.5-21.5  (+7 -18=7 )    0.0   -65
 - SpiderChess 070603                 2439  14.0-18.0  (+10-14=8 )    0.0   +16
 - MadChess 2.2 64-bit                2436  13.5-18.5  (+12-17=3 )    0.0    -5
 - Abrok 5.0                          2435  11.0-21.0  (+9 -19=4 )    0.0   -70
 - King of Kings 2.56                 2434  16.0-15.0  (+13-12=6 )    0.0   +64
 - LambChop 10.99                     2434  16.0-16.0  (+13-13=6 )    0.0   +53
 - Nemeton 1.8                        2433  15.5-16.5  (+12-13=7 )    0.0   +43
 - Eeyore 1.52 64-bit                 2427  20.0-12.0  (+16-8 =8 )    0.0  +136
 - Gaia 3.5 64-bit                    2425  12.0-24.0  (+11-23=2 )    0.0   -97
 - Nejmet 3.07                        2425  13.5-21.5  (+11-19=5 )    0.0   -43
 - Quark 2.35                         2423  15.5-21.5  (+10-16=11)    0.0   -11
 - Hussar 0.4                         2420  13.5-21.5  (+8 -16=11)    0.0   -38
 - Snitch 1.6.2 32-bit                2419  12.5-19.5  (+8 -15=9 )    0.0   -39
 - Dragon 4.6                         2418  18.5-16.5  (+15-13=7 )    0.0   +61
 - RomiChess P3n 64-bit               2415  13.5-17.5  (+12-16=3 )    0.1   -18
 - Simplex 0.9.8 64-bit               2409  12.5-22.5  (+9 -19=7 )    0.1   -70
 - FabChess 1.8 64-bit                2409  16.5-14.5  (+13-11=7 )    1.0   +49
 - Taltos rev118 64-bit               2405  16.0-16.0  (+11-11=10)    1.9   +27
 - Ifrit m1.8 64-bit                  2404  15.5-19.5  (+10-14=11)    0.8   -16
 - OliThink 5.3.2 64-bit              2402  17.5-19.5  (+12-14=11)    1.8    +3
 - TJchess 1.3 64-bit                 2399   9.5-27.5  (+7 -25=5 )    4.1  -172
 - KnightDreamer 3.3                  2393  14.5-21.5  (+8 -15=13)    9.2   -47
 - Bearded N44.5 64-bit               2391  19.5-16.5  (+17-14=5 )   16.6   +44
 - Axolotl 1.8 64-bit                 2391  15.5-16.5  (+13-14=5 )   17.4     0
 - PostModernist 1016                 2389  18.0-20.0  (+11-13=14)   16.1    -6
 - Typhoon 1.00-358 64-bit            2382  15.5-19.5  (+12-16=7 )   41.9   -39
 - Giraffe 20161023 64-bit            2370  21.5-15.5  (+19-13=5 )   79.0   +56
 - WChess 1.06                        2367  14.0-18.0  (+10-14=8 )   82.7   -57


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