Chess engine: Alexandria 3.0 NNUE
Chess engine: Alexandria
Author: PGG106 Rating CEDR=3104
v.3.0
Reduce more on non-pv nodes (LMR) by @PGG106 in #29
Singular extension by @PGG106 in #31
use a separate thread to handle uci commands by @PGG106 in #32
don't nmp if current side has only king and panws on the board by @PGG106 in #33
clamp lmr reduction to [0, depth-1] by @PGG106 in #35
Skip bad captures in QSearch based on SEE score by @PGG106 in #36
Remove evaluation pruning by @PGG106 in #37
Cap history score to +-32768 by @PGG106 in #39
History pruning by @PGG106 in #40
Save original static eval and use it in place of search score when appropriate by @PGG106 in #41
stop checking if move exists before returning tt score by @PGG106 in #42
Use a Relative 768->512->1 net by @PGG106 in #43
Add flag to unroll loops to the makefile by @PGG106 in #44
Batch update Nnue in case of moved pieces by @PGG106 in #45
remove countermove heuristic by @PGG106 in #46
Cleanup Code by @PGG106 in #47
Prefetch TT entry before makemove by @PGG106 in #48
Individual statistics: Alexandria 2.4 : 3225 341 (+161,=122,- 58), 65.1 %
Stockfish 15 : 2 (+ 0,= 0,- 2), 0.0 %
Fisherov 0.98k : 4 (+ 0,= 1,- 3), 12.5 %
Lc0 0.29.0-rc0 : 2 (+ 0,= 0,- 2), 0.0 %
Komodo 13.02 : 2 (+ 0,= 1,- 1), 25.0 %
Zahak 10.0 : 2 (+ 0,= 1,- 1), 25.0 %
Stash 33.0 : 2 (+ 1,= 0,- 1), 50.0 %
Slowchess 2.9 : 2 (+ 0,= 1,- 1), 25.0 %
Marvin 6.0.0 : 2 (+ 0,= 1,- 1), 25.0 %
Fisherov chess monk 1.2 : 2 (+ 0,= 0,- 2), 0.0 %
Nalwald 16 : 2 (+ 1,= 1,- 0), 75.0 %
RubiChess 20220813 : 2 (+ 0,= 1,- 1), 25.0 %
Dumb 1.11 : 4 (+ 4,= 0,- 0), 100.0 %
Roc 2022Aug18 : 4 (+ 1,= 2,- 1), 50.0 %
Seawall 20220818 : 8 (+ 8,= 0,- 0), 100.0 %
Velvet 4.1.0 : 8 (+ 2,= 3,- 3), 43.8 %
Mantissa 3.7.2 : 4 (+ 1,= 2,- 1), 50.0 %
Caissa 0.9.0 : 6 (+ 1,= 3,- 2), 41.7 %
Devre 3.13 : 4 (+ 0,= 4,- 0), 50.0 %
Fire-zero 08222022 : 4 (+ 1,= 3,- 0), 62.5 %
Flaming Titz 230822 : 4 (+ 0,= 0,- 4), 0.0 %
Viridithas 2.5.0 : 4 (+ 3,= 1,- 0), 87.5 %
Wasp 6.00 : 6 (+ 0,= 2,- 4), 16.7 %
Atlas 4.25 : 4 (+ 1,= 3,- 0), 62.5 %
Blue Marlin 15.3a : 4 (+ 0,= 0,- 4), 0.0 %
Teal Oracle : 6 (+ 0,= 2,- 4), 16.7 %
StockNemo 5.2.0.0 : 4 (+ 4,= 0,- 0), 100.0 %
Crystal 4.1 Polyglot 220703 : 4 (+ 0,= 0,- 4), 0.0 %
ShashChess 24 : 6 (+ 0,= 0,- 6), 0.0 %
Kayra 1.5 Dynamics : 4 (+ 0,= 1,- 3), 12.5 %
Fire-zero 09022022 : 1 (+ 1,= 0,- 0), 100.0 %
BlackCore 1.0 : 4 (+ 4,= 0,- 0), 100.0 %
Fornax 3.0 : 4 (+ 4,= 0,- 0), 100.0 %
MadChess 3.1 : 4 (+ 4,= 0,- 0), 100.0 %
Viridithas 2.6.0 : 4 (+ 4,= 0,- 0), 100.0 %
StockNemo 5.3.0.0 : 4 (+ 4,= 0,- 0), 100.0 %
CT800 1.44 : 4 (+ 4,= 0,- 0), 100.0 %
Rusty Pigeon 1.0 : 4 (+ 4,= 0,- 0), 100.0 %
BlackCore 1.1 : 10 (+ 9,= 1,- 0), 95.0 %
DeepShredder 13 : 2 (+ 1,= 0,- 1), 50.0 %
Roc 1.9.1 : 4 (+ 2,= 2,- 0), 75.0 %
StockNemo 5.6.0.0 : 184 (+ 92,= 86,- 6), 73.4 %
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