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CCRL 40/40 Rating List - Custom engine selection
1004662 games played by 2384 programs, run by 22 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz),
about 15 minutes on a modern Intel CPU.
Computed on March 16, 2019 with Bayeselo based on 1'004'662 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/
Engine Elo + - Score AvOp Games
Shallow Blue 2.0.0 64-bit 1711 +23 -23 52.8% -25.8 744
Shallow Blue 1.1.0 64-bit 1576 +25 -25 35.7% +135.9 697