CCRL Blitz
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 2'526'227 games
played by 3'011 programs

White wins: 970'445 (38.4%)
Black wins: 776'698 (30.7%)
Draws: 779'084 (30.8%)
White score: 53.8%

Engine Details

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Koivisto 4.0 64-bit in CCRL Blitz, 2021-05-15
Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "About" page.
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

CCRL Blitz main list:
Koivisto 4.0 64-bit is #57-58 with rating of 3120 Elo points (+17 -17),
based on 1112 games: 299 wins, 354 losses and 459 draws
Score: 47.5%, Average opponent: +15.1, Draws: 41.3%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Fizbo 2 64-bit                          3248  10.0-22.0  (+5 -17=10)    0.0    -1
 - Andscacs 0.95 64-bit                    3230   6.0-22.0  (+3 -19=6 )    0.0  -101
 - DanaSah 8.8 64-bit                      3203  13.5-18.5  (+6 -11=15)    0.0   +31
 - Pedone 2.1 64-bit                       3199  13.0-19.0  (+3 -9 =20)    0.0   +31
 - Arasan 22.1 64-bit                      3183  11.0-20.0  (+4 -13=14)    0.0   -26
 - Combusken 1.4.0 64-bit                  3168  10.0-15.0  (+4 -9 =12)    0.0    -7
 - NirvanaChess 2.5 64-bit                 3165  16.0-14.0  (+7 -5 =18)    0.0   +60
 - Chiron 4 64-bit                         3164  15.0-17.0  (+8 -10=14)    0.0   +24
 - Demolito 2020-10-10 64-bit              3161  14.0-22.0  (+6 -14=16)    0.0   -31
 - Critter 1.6a 64-bit                     3156  17.5-14.5  (+9 -6 =17)    0.0   +62
 - Wasp 4.0 64-bit                         3155  14.0-18.0  (+8 -12=12)    0.1    -7
 - Minic 3.02 64-bit                       3155  18.0-31.0  (+8 -21=20)    0.2   -48
 - Halogen 9 64-bit                        3154  15.5-16.5  (+11-12=9 )    0.2   +25
 - Winter 0.9 64-bit                       3154  15.5-16.5  (+10-11=11)    0.1   +24
 - Stash 30.0 64-bit                       3150  13.5-15.5  (+7 -9 =13)    2.4    +6
 - Marvin 5.0.0 64-bit                     3149  16.5-15.5  (+9 -8 =15)    0.9   +40
 - Orion 0.8 64-bit                        3136  13.0-19.0  (+8 -14=10)    6.9   -44
 - Demolito 2020-05-14 64-bit              3132  17.5-14.5  (+11-8 =13)   15.4   +40
 - NirvanaChess 2.4 64-bit                 3132  14.0-18.0  (+8 -12=12)   10.9   -28
 - Vajolet2 2.8 64-bit                     3129  16.0-16.0  (+9 -9 =14)   19.6    +7
 - Marvin 4.0.1 64-bit                     3123  14.0-18.0  (+5 -9 =18)   46.2   -31
 - Weiss 1.3 64-bit                        3120  16.0-14.0  (+11-9 =10)   51.1   +23
 - Minic 2.53 64-bit                       3116  15.5-16.5  (+7 -8 =17)   60.6   -14
 - Texel 1.07 64-bit                       3114  18.0-13.0  (+11-6 =14)   73.4   +49
 - Rybka 4.1 64-bit                        3111  16.5-14.5  (+12-10=9 )   84.5   +13
 - Hannibal 1.7 64-bit                     3110  18.0-13.0  (+13-8 =10)   84.8   +43
 - iCE 4.0 64-bit                          3108  16.5-15.5  (+10-9 =13)   87.4    -1
 - Stash 29.0 64-bit                       3107  16.0-16.0  (+9 -9 =14)   83.3   -10
 - chess22k 1.14 64-bit                    3097  16.5-15.5  (+12-11=9 )   98.0    -9
 - Protector 1.9.0 64-bit                  3088  12.5-18.5  (+5 -11=15)  100.0   -92
 - Senpai 2.0 64-bit                       3086  19.0-13.0  (+11-5 =16)  100.0   +23
 - Seer 1.2.1 64-bit                       3086  21.0-11.0  (+16-6 =10)   99.8   +71
 - Stash 28.0 64-bit                       3067  15.5-10.5  (+12-7 =7 )  100.0   +11
 - SmarThink 1.98 64-bit                   3045  14.5-17.5  (+8 -11=13)  100.0  -106
 - Amoeba 3.3 64-bit                       3019  19.5-12.5  (+13-6 =13)  100.0   -31


Created in 2005-2013 by CCRL team
Last games added on May 15, 2021