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Aryan1508 / Bit-Genie

UCI chess engine in C++
GNU General Public License v3.0
23 stars 3 forks source link

Improve TT replacement scheme #180

Closed Aryan1508 closed 3 years ago

Aryan1508 commented 3 years ago

Allow replacement of entries with the same hash as long as new_depth >= old_depth - 1

http://chess.grantnet.us/test/19100/

ELO   | 8.88 +- 5.80 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=2MB
LLR   | 3.09 (-2.94, 2.94) [0.00, 5.00]
GAMES | N: 7200 W: 1974 L: 1790 D: 3436