CCRL 40/4
Downloads and Statistics
October 22, 2019
Testing summary:
Total: 2'121'427 games
played by 2'481 programs
28688 CPU days (X2 4600+)

White wins: 823'094 (38.8%)
Black wins: 665'478 (31.4%)
Draws: 632'855 (29.8%)
White score: 53.7%

Engine Details

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K2 0.83 in CCRL 40/4, 2019-10-22
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:
K2 0.83 has no rank with rating of 2560 Elo points (+16 -16),
based on 1358 games: 508 wins, 491 losses and 359 draws
Score: 50.6%, Average opponent: −5.4, Draws: 26.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Gogobello 1.3 64-bit               2654  11.5-20.5  (+7 -16=9 )    0.0    -5
 - GreKo 2016 64-bit                  2619  12.5-18.5  (+6 -12=13)    0.0    -4
 - Zarkov 6.55                        2617   9.0-11.0  (+6 -8 =6 )    0.0   +22
 - Glass 2.0 64-bit                   2610  13.5-18.5  (+11-16=5 )    0.0   -10
 - WyldChess 1.4 64-bit               2608  10.0-20.0  (+6 -16=8 )    0.0   -70
 - Amyan 1.72                         2604   9.0-23.0  (+4 -18=10)    0.0  -106
 - Pharaon 3.5.1                      2603  11.0-21.0  (+5 -15=12)    0.0   -59
 - GarboChess 2.10 64-bit             2598  11.5-20.5  (+7 -16=9 )    0.0   -60
 - GreKo 2015 64-bit                  2586  12.5-19.5  (+9 -16=7 )    1.0   -51
 - Floyd 0.9 64-bit                   2583  20.5-10.5  (+17-7 =7 )    0.9  +135
 - Muse 0.953 64-bit                  2582  16.0-16.0  (+13-13=6 )    1.1   +23
 - Francesca MAD 0.19                 2581  17.0-15.0  (+11-9 =12)    1.2   +41
 - Zurichess Glarus 64-bit            2579  14.5-16.5  (+7 -9 =15)    6.2    -1
 - Hamsters 0.7.1                     2578  19.0-13.0  (+14-8 =10)    1.8   +84
 - DanaSah 6.50                       2577  17.5-14.5  (+14-11=7 )    4.8   +50
 - SOS 5.1                            2573  13.5-18.5  (+9 -14=9 )    5.9   -43
 - Carballo 1.5 64-bit                2570  14.0-18.0  (+11-15=6 )   20.0   -37
 - Maverick 1.5 64-bit                2569  15.5-16.5  (+13-14=5 )   15.8    -2
 - Petir 4.39                         2566  16.5-15.5  (+10-9 =13)   24.4   +17
 - Aristarch 4.50                     2566  17.5-14.5  (+14-11=7 )   22.1   +39
 - Gandalf 4.32h                      2565  17.5-13.5  (+13-9 =9 )   32.3   +47
 - Capivara LK 0.09b02c 64-bit        2565  14.5-17.5  (+10-13=9 )   29.7   -25
 - nanoSzachy 4.1 64-bit              2559  13.5-18.5  (+10-15=7 )   51.5   -58
 - Brutus 8.05 64-bit                 2557  14.5-17.5  (+10-13=9 )   61.6   -34
 - Marvin 2.1.0 64-bit                2556  12.0-20.0  (+7 -15=10)   62.0   -92
 - Ghost 3.1 64-bit                   2554  19.0-13.0  (+17-11=4 )   71.0   +67
 - Rebel Century                      2545  21.0-11.0  (+15-5 =12)   93.2   +85
 - Ufim 8.02                          2540  15.0-17.0  (+8 -10=14)   98.8   -39
 - AnMon 5.75                         2539  14.5-17.5  (+10-13=9 )   99.1   -55
 - Fridolin 2.00 64-bit               2538  16.0-16.0  (+12-12=8 )   98.6   -25
 - DanaSah 4.88                       2533  19.0-13.0  (+15-9 =8 )   99.5   +35
 - Gogobello 1.1 64-bit               2533  17.5-14.5  (+13-10=9 )   98.8    +4
 - Hermann 2.8 64-bit                 2531  38.5-25.5  (+30-17=17)   99.9   +43
 - ECE X                              2511  21.5-10.5  (+19-8 =5 )  100.0   +85
 - Coiled 0.4 64-bit                  2508  18.0-14.0  (+12-8 =12)  100.0   -11
 - Green Light Chess 3.01.2.2         2505  17.0-15.0  (+11-9 =12)  100.0   -34
 - Little Goliath Evolution 3.12      2505  18.5-13.5  (+16-11=5 )  100.0    +2
 - Yace 0.99.87                       2503  17.0-15.0  (+15-13=4 )  100.0   -34
 - Trace 1.37a                        2500  22.0-10.0  (+20-8 =4 )  100.0   +89
 - ECE X2                             2474  19.0-13.0  (+17-11=4 )  100.0   -13
 - JikChess 0.01 64-bit               2454  19.0-13.0  (+16-10=6 )  100.0   -33
 - Ethereal 7.60 64-bit               2449  21.0-11.0  (+18-8 =6 )  100.0    +5


Created in 2005-2013 by CCRL team
Last games added on October 22, 2019