Chess engine: Fatalii 0.2.0

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Fatalii - UCI chess engine
Author: Patrick Heck,  Rating CEDR=1688
Challenge me on Lichess: https://lichess.org/@/FataliiBot

v.0.2.0:
Enhancements
Detect draws by 3-fold repetition
Detect draws by 50 move rule
Improved move ordering
Principal variation move
Hash move
Most valuable victim - least valuable attacker (MVV-LVA)
Evaluation is now based on piece square tables (PSTs). The PSTs are loosely based on the simple PSTs. Some of the parameters were tuned by hand and tested with self-play.
Improved time management
Playing strength
This version is significantly stronger than the previous one. Below are the results of a match at a time control of 2s + 0.1s. Fatalii 0.2.0 Simple PST uses the simple PSTs instead of the hand-tuned ones.

Individual statistics: Fatalii 0.1.0 - 137 games (+  3,=  5,-129),  4.0 %
Fritz 17                      :   4 (+  0,=  0,-  4),  0.0 %
Jackychess 0.9.14             :   1 (+  0,=  0,-  1),  0.0 %
Loki 3.5.0                    :   2 (+  0,=  0,-  2),  0.0 %
Cosette 5.1                   :   2 (+  0,=  0,-  2),  0.0 %
Kouri 1.15                    :   1 (+  0,=  0,-  1),  0.0 %
Sapeli 2.0                    :   1 (+  0,=  0,-  1),  0.0 %
Rustic Alpha 3.0.0            :   1 (+  0,=  0,-  1),  0.0 %
Iathena 2020-12-19            :   1 (+  0,=  0,-  1),  0.0 %
FracTal 1.0                   :   1 (+  0,=  1,-  0), 50.0 %
Chareth 0.1.0                 :   1 (+  0,=  0,-  1),  0.0 %
Quokka 2.1                    :   1 (+  0,=  0,-  1),  0.0 %
Monochrome r203               :   1 (+  1,=  0,-  0), 100.0 %
Colossus 2021b                :   2 (+  0,=  0,-  2),  0.0 %
Stockfish 14.1                :   1 (+  0,=  0,-  1),  0.0 %
Stockfish 13                  :   2 (+  0,=  0,-  2),  0.0 %
Pulse 1.7.3                   :   1 (+  0,=  0,-  1),  0.0 %
BLANK 1.3.0                   :   1 (+  0,=  0,-  1),  0.0 %
Lynx 0.9.0                    :   1 (+  0,=  1,-  0), 50.0 %
Fisherov 0.98j                :   2 (+  0,=  0,-  2),  0.0 %
MisterQueen                   :   1 (+  0,=  1,-  0), 50.0 %
Wasp 5.20 second compiles     :   4 (+  0,=  0,-  4),  0.0 %
Fritz 15                      :   4 (+  0,=  0,-  4),  0.0 %
Weiawaga 4.0                  :   1 (+  0,=  0,-  1),  0.0 %
Devel 4.0.2.3                 :   4 (+  0,=  0,-  4),  0.0 %
Popochin 4.3                  :   1 (+  0,=  0,-  1),  0.0 %
Prophet 4.1                   :   1 (+  0,=  0,-  1),  0.0 %
Bagatur 3.2                   :   2 (+  0,=  0,-  2),  0.0 %
Cheese 3.0.1                  :   2 (+  0,=  0,-  2),  0.0 %
Anka 0.6.3                    :   3 (+  0,=  0,-  3),  0.0 %
Belofte 2.1.5                 :   2 (+  0,=  0,-  2),  0.0 %
Rebel 14.1 NNUE               :   2 (+  0,=  0,-  2),  0.0 %
ClassicAra 0.9.9              :   1 (+  0,=  0,-  1),  0.0 %
Koivisto 7.13                 :   2 (+  0,=  0,-  2),  0.0 %
Stockfish 170222              :   4 (+  0,=  0,-  4),  0.0 %
Keele 1.0                     :   2 (+  0,=  0,-  2),  0.0 %
Fire 8.2                      :   2 (+  0,=  0,-  2),  0.0 %
Leorik 1.0                    :   3 (+  0,=  0,-  3),  0.0 %
Raubfisch X48d3               :   4 (+  0,=  0,-  4),  0.0 %
SF+NNUE AIO 130222            :   2 (+  0,=  2,-  0), 50.0 %
Mayhem 6.8                    :   4 (+  0,=  0,-  4),  0.0 %
Tantabus 2.0.0                :   7 (+  0,=  0,-  7),  0.0 %
SF PB 170222                  :   2 (+  0,=  0,-  2),  0.0 %
Koivisto 7.14 Ipman           :   4 (+  2,=  0,-  2), 50.0 %
Raubfisch GTZ27d3             :   4 (+  0,=  0,-  4),  0.0 %
Journeyman 1.0                :   5 (+  0,=  0,-  5),  0.0 %
Vafra 3.3.0                   :   2 (+  0,=  0,-  2),  0.0 %
Admete 1.4.0                  :   6 (+  0,=  0,-  6),  0.0 %
Toga IV                       :   4 (+  0,=  0,-  4),  0.0 %
Eggnog 3.0                    :   1 (+  0,=  0,-  1),  0.0 %
Rebel 14.1.02 CST             :   2 (+  0,=  0,-  2),  0.0 %
Expositor 2WQ23               :   1 (+  0,=  0,-  1),  0.0 %
Stockfish 010322              :   2 (+  0,=  0,-  2),  0.0 %
Frozenight 1.0.0              :   2 (+  0,=  0,-  2),  0.0 %
Rebel 14.2                    :   2 (+  0,=  0,-  2),  0.0 %
CorChess 020322               :   2 (+  0,=  0,-  2),  0.0 %
Knightx 3.2                   :   2 (+  0,=  0,-  2),  0.0 %
Raubfisch GTZ27e              :   2 (+  0,=  0,-  2),  0.0 %
Raubfisch X48e                :   2 (+  0,=  0,-  2),  0.0 %
Stockfish 020322 Ivec         :   2 (+  0,=  0,-  2),  0.0 %
Lozza 2.2                     :   1 (+  0,=  0,-  1),  0.0 %
Little Goliath 3.15.4         :   1 (+  0,=  0,-  1),  0.0 %
Frozenight 2.0.0              :   1 (+  0,=  0,-  1),  0.0 %
Princhess 0.7.0               :   1 (+  0,=  0,-  1),  0.0 %
Walleye 1.6.0                 :   1 (+  0,=  0,-  1),  0.0 %

Fatalii 0.2.0 download 


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