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Chess engine: Fatalii 0.4.0


Fatalii - UCI chess engine
Author: Patrick Heck,  Rating CEDR=2250
Challenge me on Lichess: https://lichess.org/@/FataliiBot

v.0.4.0:
Improvements
Search
Added null move pruning
Added futility pruning
Added reverse futility pruning
Transposition table
Now uses a bucket system with 4 entries per bucket
Improved replacement scheme based on entry age and depth
Evaluation
Draws by insufficient material are now detected
Added a small tempo bonus for the side to move
Slightly tuned PSTs by hand (hopefully for the last time, planning to automate this in the future :D)
UCI
info now prints exact mate scores. No more 327.66 scores!

Individual statistics: Fatalii 0.2.1 - 64 games (+  5,=  3,- 56), 10.2  %
RofChade 3.0                  :   2 (+  0,=  0,-  2),  0.0 %
Raubfisch X48d3               :   2 (+  0,=  0,-  2),  0.0 %
Fisherov chess monk 1.2       :   4 (+  0,=  0,-  4),  0.0 %
Knightx 3.4                   :   2 (+  0,=  0,-  2),  0.0 %
Atlas 4.25                    :   2 (+  0,=  0,-  2),  0.0 %
Minic 3.28                    :   4 (+  0,=  0,-  4),  0.0 %
Avalanche 1.2.0               :   4 (+  0,=  0,-  4),  0.0 %
BigBallz 010922               :   4 (+  0,=  0,-  4),  0.0 %
Kayra 1.5 Dynamics            :   2 (+  0,=  0,-  2),  0.0 %
Fire-zero 09022022            :   2 (+  0,=  0,-  2),  0.0 %
Trinket 2.0.0                 :   4 (+  1,=  3,-  0), 62.5 %
Frozenight 5.0.0              :   4 (+  0,=  0,-  4),  0.0 %
MadChess 3.1                  :   4 (+  0,=  0,-  4),  0.0 %
Viridithas 2.6.0              :   2 (+  0,=  0,-  2),  0.0 %
StockNemo 5.3.0.0             :   2 (+  0,=  0,-  2),  0.0 %
CT800 1.44                    :   4 (+  0,=  0,-  4),  0.0 %
Rusty Pigeon 1.0              :   2 (+  2,=  0,-  0), 100.0 %
Lumac0 14.0                   :   2 (+  2,=  0,-  0), 100.0 %
Stockfish 070922              :   4 (+  0,=  0,-  4),  0.0 %
Weiss 2.1 dev                 :   4 (+  0,=  0,-  4),  0.0 %
Fire-zero 09112022            :   2 (+  0,=  0,-  2),  0.0 %
Deep Rybka 4.1                :   2 (+  0,=  0,-  2),  0.0 %

Fatalii 0.4.0 download 


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