Zevra 2.5 64-bit Gauntlet for CCRL 40/15

[Graham Banks]

PGN - http://kirill-kryukov.com/chess/discuss ... p?id=49785

[Graham Banks]

Code: Select all

CCRL 40/15 Rating List - Custom engine selection
1321949 games played by 2995 programs, run by 25 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on January 8, 2022 with Bayeselo based on 1'321'949 games
Tested by CCRL team, 2005-2022, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
1 Zevra 2.5 64-bit                        2671  +26  -26  49.9%   +1.2   511
  Zevra 2.1.2 r248 64-bit                 2393  +19  -19  50.0%   +0.6   967
  Zevra 2.1.1 r216 64-bit                 2380  +17  -17  50.8%   -6.7  1218
  Zevra 1.8.6 r672 64-bit                 2270  +21  -21  50.9%   -9.4   862
  Zevra 1.8.5 r664 64-bit                 2248  +27  -27  53.7%  -27.0   511
  Zevra 1.8.4 r650 64-bit                 2236  +26  -26  47.4%  +22.6   515
  Zevra 1.8.2 r612 64-bit                 2189  +28  -28  45.5%  +32.0   436

[sovaz1997]

Thanks for testing, Graham!