CCRL Blitz
Downloads and Statistics
January 16, 2021
Testing summary:
Total: 2'442'136 games
played by 2'904 programs

White wins: 939'660 (38.5%)
Black wins: 754'242 (30.9%)
Draws: 748'234 (30.6%)
White score: 53.8%

Engine Details

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Isa 2.0.61 64-bit in CCRL Blitz, 2021-01-16
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:
Isa 2.0.61 64-bit has no rank with rating of 2237 Elo points (+18 -18),
based on 1192 games: 477 wins, 441 losses and 274 draws
Score: 51.5%, Average opponent: −11.1, Draws: 23.0%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Drosophila 1.5.1 64-bit                 2477   3.0-9.0   (+2 -8 =2 )    0.0   +39
 - Axolotl 1.8 64-bit                      2390   8.5-22.5  (+6 -20=5 )    0.0   -24
 - FrankWalter 2.2.3 64-bit                2389   7.5-24.5  (+6 -23=3 )    0.0   -70
 - RubiChess 0.7 64-bit                    2309  12.5-22.5  (+9 -19=7 )    0.0   -33
 - Kingfisher 1.0 64-bit                   2304  16.0-16.0  (+7 -7 =18)    0.0   +64
 - Zevra 1.8.6 r672 64-bit                 2301  14.5-17.5  (+9 -12=11)    0.0   +33
 - Kingfisher 1.1.1 64-bit                 2299  18.0-14.0  (+10-6 =16)    0.0   +98
 - Natwarlal 0.14                          2260  15.0-17.0  (+10-12=10)    0.9    +1
 - Napoleon 1.8 64-bit                     2254  15.5-14.5  (+13-12=5 )    6.8   +32
 - FireFly 2.7.2 64-bit                    2251  14.0-19.0  (+10-15=8 )   10.4   -39
 - Robocide 20170718 64-bit                2235  14.0-18.0  (+13-17=2 )   56.5   -52
 - Anechka 0.08                            2234  14.0-18.0  (+10-14=8 )   64.0   -46
 - Dorpsgek Eve's Temptation 64-bit        2234  18.5-11.5  (+14-7 =9 )   61.4   +76
 - GopherCheck 0.2.3 64-bit                2231  14.0-15.0  (+9 -10=10)   71.3   -21
 - Ant 2006-F                              2231  18.0-14.0  (+16-12=4 )   74.5   +43
 - AliChess 4.25                           2228  15.5-13.5  (+13-11=5 )   82.7   +17
 - Adam 3.3                                2221  20.0-12.0  (+18-10=4 )   95.0   +85
 - RamJet 0.13                             2213  18.5-10.5  (+15-7 =7 )   98.5   +76
 - Buzz 0.08 64-bit                        2211  17.5-14.5  (+14-11=7 )   99.3    +7
 - ChessAlex 2.0r4                         2208  16.0-13.0  (+13-10=6 )   99.4    +6
 - Chispa 4.0.3                            2207  33.5-27.5  (+26-20=15)   99.9    +3
 - Dorpsgek Dillinger 64-bit               2206  17.5-14.5  (+16-13=3 )   98.9    +5
 - Beowulf 2.4a 32-bit                     2205  31.0-31.0  (+25-25=12)   99.9   -32
 - RattateChess 1.0 Nosferatu              2199  31.5-30.5  (+23-22=17)  100.0   -31
 - Latista (Sinobyl) 1.5                   2195  12.0-18.0  (+7 -13=10)  100.0  -107
 - NG-Play 9.86 64-bit                     2195  10.5-15.5  (+7 -12=7 )  100.0  -117
 - Uralochka 1.1b                          2189  18.5-13.5  (+16-11=5 )  100.0   +14
 - Mango Paola Ajedrez 1.0                 2187  13.5-15.5  (+10-12=7 )  100.0   -77
 - Atak 6.8                                2185  38.0-23.0  (+31-16=14)  100.0   +35
 - Madeleine 0.2                           2184  36.5-24.5  (+30-18=13)  100.0   +18
 - Kurt 0.9.2.2 64-bit                     2161  16.5-12.5  (+14-10=5 )  100.0   -25
 - Galjoen 0.37.2 64-bit                   2160  34.0-23.0  (+30-19=8 )  100.0    -2
 - RamJet 0.14                             2116  23.0-8.0   (+19-4 =8 )  100.0   +51
 - Alf 1.09 64-bit                         2110   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - Wing 2.01                               2102   0.5-0.5   (+0 -0 =1 )  100.0  -104
 - Ecce 1.0 (rev. 508) 64-bit              2018   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Requiem 0.53                            2008   0.5-0.5   (+0 -0 =1 )  100.0  -198
 - Leonidas 8.3 64-bit                     2004   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Bubble 1.5                              1987   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - La Dame Blanche 2.0c                    1969   0.0-1.0   (+0 -1 =0 )  100.0  -INF
 - SSEChessII 2.05 DC                      1967   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - ALChess 1.84                            1962   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - ChessMind 0.80                          1954   0.5-0.5   (+0 -0 =1 )  100.0  -252
 - Smash 1.0.3                             1924   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - Sapeli 1.0 64-bit                       1778   1.0-0.0   (+1 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on January 16, 2021