CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Engine Details

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Zevra 2.1.2 r248 64-bit in CCRL 40/4, 2019-11-16
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 2.1.2 r248 64-bit is #222-224 with rating of 2425 Elo points (+20 -20),
based on 958 games: 375 wins, 366 losses and 217 draws
Score: 50.5%, Average opponent: −6.9, Draws: 22.7%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Galjoen 0.40 64-bit                2572   8.5-23.5  (+4 -19=9 )    0.0   -18
 - Axolotl 1.9 64-bit                 2507  11.0-21.0  (+6 -16=10)    0.0   -20
 - Anatoli 0.35k                      2455  13.5-18.5  (+11-16=5 )    0.7   -27
 - LittleThought 1.052 64-bit         2452  16.5-15.5  (+11-10=11)    0.6   +39
 - Matacz 1.4                         2446  15.0-17.0  (+13-15=4 )    2.3    -1
 - Tunguska 1.1 64-bit                2445  12.5-19.5  (+9 -16=7 )    6.6   -56
 - Lozza 1.18 64-bit                  2445  13.5-18.5  (+8 -13=11)    5.5   -32
 - Ares 1.005.2 64-bit                2441  15.5-15.5  (+12-12=7 )    8.2   +17
 - SpiderChess 070603                 2439  17.5-14.5  (+15-12=5 )    8.1   +49
 - Nemeton 1.81                       2438  13.0-19.0  (+10-16=6 )   18.9   -55
 - MadChess 2.2 64-bit                2436  19.5-12.5  (+17-10=5 )   17.5   +94
 - Abrok 5.0                          2435  18.0-14.0  (+13-9 =10)   15.6   +52
 - King of Kings 2.56                 2434  17.5-14.5  (+14-11=7 )   20.0   +42
 - LambChop 10.99                     2434  17.5-14.5  (+15-12=5 )   18.9   +42
 - Flux 2.2.1                         2429  13.0-19.0  (+8 -14=10)   37.5   -58
 - Eeyore 1.52 64-bit                 2427  16.0-16.0  (+11-11=10)   41.7     0
 - Gaia 3.5 64-bit                    2425  14.5-16.5  (+12-14=5 )   48.8   -21
 - Nejmet 3.07                        2425  17.0-15.0  (+16-14=2 )   48.6   +23
 - Hussar 0.4                         2419  13.5-18.5  (+11-16=5 )   68.0   -64
 - OliThink 5.3.0 64-bit              2417  16.5-15.5  (+12-11=9 )   75.5    +2
 - Dragon 4.6                         2417  19.0-13.0  (+14-8 =10)   74.8   +53
 - RomiChess P3n 64-bit               2415  16.0-16.0  (+10-10=12)   79.4   -10
 - Simplex 0.9.8 64-bit               2409  16.5-15.5  (+15-14=3 )   91.7    -2
 - Taltos rev118 64-bit               2405  17.0-15.0  (+12-10=10)   92.4     0
 - Ifrit m1.8 64-bit                  2404  19.0-13.0  (+15-9 =8 )   97.0   +46
 - Teki 2 64-bit                      2392  15.0-17.0  (+12-14=6 )   99.4   -57
 - Googleplex Starthinker 1.6 64-bit  2392  14.5-17.5  (+10-13=9 )   99.2   -66
 - Giraffe 20161023 64-bit            2370  17.5-14.5  (+15-12=5 )  100.0   -19
 - TJchess 1.1 64-bit                 2338  20.5-11.5  (+16-7 =9 )  100.0   +13
 - Raven 0.50 64-bit                  2080  29.0-3.0   (+28-2 =2 )  100.0   +56


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019