CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Custom engine selection

Comparing 12 engines!
12 selected engines played 0 games with each other

CCRL 40/4 Rating List — Custom engine selection (Quote)

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 Intel CPU.
Computed on May 19, 2019 with Bayeselo based on 2'021'465 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

1Lc0 0.21.1 JH.T6.532 GPU3486+17−1759.2%−58.652.4%1100 
 Lc0 0.21.1 w41800 GPU3474+17−1755.7%−37.651.2%1000
 Lc0 0.20.2 w32930 GPU3451+14−1459.2%−60.148.4%1600
 Lc0 0.20.1 w36089 64-bit2797+19−1955.1%−41.524.6%982
 Lc0 0.21.0 w32930 64-bit2753+80−9412.8%+319.413.4%82
 Lc0 0.20.2 w32930 64-bit2672+80−9018.8%+240.021.9%64
 Leela Chess 0.10 w483 64-bit2607+22−2248.6%+10.824.3%725
 Leela Chess 0.10 w323 64-bit2538+23−2257.2%−56.120.8%754
 Leela Chess 0.10 w272 64-bit2308+33−3256.1%−46.719.7%350
 Leela Chess 0.9 w272 64-bit2271+33−3251.3%−9.517.9%352
 Leela Chess 0.7 w187 64-bit2235+22−2263.3%−104.418.9%814
 Leela Chess 0.5 w123 64-bit1963+32−3246.9%+24.717.7%373

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Rating list
Testing profile
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Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines

Created in 2005-2013 by CCRL team
Last games added on May 19, 2019