Chess engine: Alexandria
Author: PGG106 Rating CEDR=3268
v.3.5.0
What's Changed
Lazy SMP by @PGG106 in #86
Improve and modernize uci support by @PGG106 in #91
Reduce checks for time running out to once every 1024 nodes by @PGG106 in #92
Improve memory usage, add some comments, fix movetime uci command by @PGG106 in #93
Move most of the allocations on the heap by @PGG106 in #95
Rework search stack by @PGG106 in #96
Rework history heuristic by @PGG106 in #97
change nmp to fail soft by @PGG106 in #98
Final tweak to search output pretty_print by @PGG106 in #102
avoid perft crashing when called with a depth of 1 by @PGG106 in #105
Rewrite LMR with a more conventional approach by @PGG106 in #109
Make nmp more aggressive by @PGG106 in #110
Introduce continuation history by @PGG106 in #111
Store static eval in the TT by @PGG106 in #114
Simplify TT exact flag in Qsearch by @PGG106 in #115
Avoid LMR dropping into Qsearch or extending by @PGG106 in #117
Full multi-threaded datagen implementation by @PGG106 in #119
fix movepicker by @PGG106 in #127
Individual statistics: Alexandria 2.4 - 352 games (+166,=127,- 59), 65.2 %
Baron 3.44.1 : 1 (+ 0,= 1,- 0), 50.0 %
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 %
Devel 4.0.2.3 : 1 (+ 1,= 0,- 0), 100.0 %
Komodo 13.02 : 2 (+ 0,= 1,- 1), 25.0 %
Zahak 10.0 : 2 (+ 0,= 1,- 1), 25.0 %
Supernova 2.4 : 1 (+ 0,= 1,- 0), 50.0 %
Zevra 2.5 : 1 (+ 0,= 1,- 0), 50.0 %
Stash 33.0 : 2 (+ 1,= 0,- 1), 50.0 %
Little Goliath 3.15.4 : 1 (+ 0,= 0,- 1), 0.0 %
FrankyGo 1.0.3 : 1 (+ 1,= 0,- 0), 100.0 %
Deep Shredder 13 : 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 %
Popochin 4.3 : 1 (+ 1,= 0,- 0), 100.0 %
Smallbrain 5.0 : 1 (+ 1,= 0,- 0), 100.0 %
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 4.0 : 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 %
Avalanche 1.2.0 : 1 (+ 0,= 1,- 0), 50.0 %
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 : 5 (+ 5,= 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 %
Roc 1.9.1 : 4 (+ 2,= 2,- 0), 75.0 %
StockNemo 5.6.0.0 : 185 (+ 92,= 87,- 6), 73.2 %
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