Lynx it's written in C# (.NET 6). UCI protocol is needed.
Chess Engines Diary Rating CEDR=2048
Lynx release artifacts are self-contained and require no dependencies to be run.
However, you can also choose to build Lynx yourself.
Requirements
NET 6 SDK. You can find instructions about how to install it in yo
v.0.15
🔍 Exclude promotions from killer moves and take them into account in move ordering (#302)
🔍 Enhance depth extension on check (#313)
🔍 Increase MaxDepth default value to 128 (#292)
🔍 Add ToggleBits method and use it in Make/Unmake moves (#324)
🔍 Replace !_isFollowingPV LMR condition with !pvNode (#312)
⚡ Move to .NET 8 (#291)
⚡ Implement make/unmake move instead of allocating a new Position (#321)
⚡ Avoid passing Game.CurrentPosition reference down search methods (#322)
⚡ Change threefold repetition detection to 2 repetition detection (#296)
⚡ Use Bmi1.X64.TrailingZeroCount and Popcnt.X64.PopCount hardware intrinsics (#330)
⚡ Don't reload config on file changes (#299)
⚡ Disable NLog autoreload (#329)
⚡ Make NLog targets async (#331)
⌛ Simplify time management (#288).
This makes this release the first cutechess-friendly one, which means no timeouts when tested with short tc (10+0.1, 8+0.08, etc.)
🐛 Fix TT probing condition and TT moves score (#298)
Non strength-winning changes:
🐛 Fix nlog concurrency issue when accessing log files (#286)
🐛 Fix overflow that was causing negative hashfull numbers in uci info commands (#307)
🐛 Fix PV table bug which keeps extra moves in PV after the move where a draw is detected (#297)
🐛 Fix illegal moves potentially sent when the previous search line is hit (#294, #295)
Individual statistics: Lynx 0.13.0 - 185 games (+ 9,= 9,-167), 7.3 %
Critter 1.6a : 8 (+ 0,= 0,- 8), 0.0 %
Asymptote 0.8 : 1 (+ 0,= 0,- 1), 0.0 %
Devel 4.0.2.3 : 1 (+ 0,= 0,- 1), 0.0 %
Barbarossa 0.6.0 : 1 (+ 0,= 0,- 1), 0.0 %
Supernova 2.4 : 1 (+ 0,= 0,- 1), 0.0 %
Zevra 2.5 : 1 (+ 0,= 0,- 1), 0.0 %
Loki 3.5.0 : 1 (+ 0,= 0,- 1), 0.0 %
Cosette 5.1 : 1 (+ 0,= 0,- 1), 0.0 %
FrankyGo 1.0.3 : 1 (+ 0,= 0,- 1), 0.0 %
Pawn 2021-09-22 : 1 (+ 0,= 0,- 1), 0.0 %
Slowchess 2.9 : 2 (+ 0,= 0,- 2), 0.0 %
Journeyman 2.1 : 1 (+ 0,= 0,- 1), 0.0 %
Anka 0.6.3 : 1 (+ 0,= 0,- 1), 0.0 %
Popochin 4.3 : 1 (+ 0,= 0,- 1), 0.0 %
FoxSEE 8.2 : 1 (+ 0,= 0,- 1), 0.0 %
Uralochka 3.37c : 2 (+ 0,= 0,- 2), 0.0 %
Blunder 8.5.5 : 1 (+ 0,= 0,- 1), 0.0 %
Nalwald 16 : 2 (+ 0,= 0,- 2), 0.0 %
Ceibo 0.9 : 1 (+ 0,= 0,- 1), 0.0 %
Dumb 1.11 : 1 (+ 0,= 0,- 1), 0.0 %
Velvet 4.1.0 : 2 (+ 0,= 0,- 2), 0.0 %
Dragon 3.1 : 2 (+ 0,= 0,- 2), 0.0 %
Revenge 3.0 : 2 (+ 0,= 0,- 2), 0.0 %
Minic 3.30 : 2 (+ 0,= 1,- 1), 25.0 %
Ethereal 13.88 Plus NNUE : 2 (+ 0,= 0,- 2), 0.0 %
Koivisto 8.16 : 2 (+ 0,= 0,- 2), 0.0 %
Uralochka 3.38c : 2 (+ 0,= 0,- 2), 0.0 %
StockNemo 5.7.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
Frozenight 5.1.0 : 3 (+ 0,= 0,- 3), 0.0 %
Francesca 0.32 : 1 (+ 0,= 0,- 1), 0.0 %
Halogen 11 : 2 (+ 0,= 0,- 2), 0.0 %
Altair 1.0.0 : 1 (+ 0,= 0,- 1), 0.0 %
Prophet 4.3 : 1 (+ 0,= 0,- 1), 0.0 %
Seer 2.6 : 2 (+ 0,= 0,- 2), 0.0 %
CDrill 2000 : 2 (+ 0,= 1,- 1), 25.0 %
Fornax 4.0 : 1 (+ 0,= 0,- 1), 0.0 %
Avalanche 1.3.0 : 2 (+ 0,= 0,- 2), 0.0 %
BlackCore 3.0 : 6 (+ 0,= 0,- 6), 0.0 %
ShenYu 1.0.1 : 1 (+ 0,= 0,- 1), 0.0 %
Caissa 1.3 : 2 (+ 0,= 0,- 2), 0.0 %
Bienchen 1.0 : 4 (+ 0,= 0,- 4), 0.0 %
Sturddle 1.04 : 2 (+ 0,= 0,- 2), 0.0 %
Eubos 2.15 : 2 (+ 0,= 0,- 2), 0.0 %
Alexandria 3.0.2 : 6 (+ 0,= 0,- 6), 0.0 %
Mayhem 7.7 : 2 (+ 0,= 0,- 2), 0.0 %
RubiChess 20221120 : 2 (+ 0,= 0,- 2), 0.0 %
Tofiks 0.0.1 : 2 (+ 2,= 0,- 0), 100.0 %
Kimbo 1.0.0 : 6 (+ 0,= 0,- 6), 0.0 %
QuintBot 1.1.0 : 4 (+ 3,= 1,- 0), 87.5 %
Stockfish 20221120 : 2 (+ 0,= 0,- 2), 0.0 %
Stockfish 20221123 : 2 (+ 0,= 0,- 2), 0.0 %
CorChess 20221121 : 2 (+ 0,= 0,- 2), 0.0 %
Counter 5.0 : 8 (+ 0,= 0,- 8), 0.0 %
Kuma 1.0 : 10 (+ 1,= 0,- 9), 10.0 %
MadChess 3.2 beta : 8 (+ 0,= 0,- 8), 0.0 %
Princhess 0.8.0 : 10 (+ 1,= 3,- 6), 25.0 %
Reksio : 2 (+ 0,= 0,- 2), 0.0 %
Genko 1.0a : 2 (+ 0,= 0,- 2), 0.0 %
Peacekeeper 0.11 : 4 (+ 0,= 0,- 4), 0.0 %
Viridithas 5.1.0 : 4 (+ 0,= 0,- 4), 0.0 %
Viridithas 5.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
Berserk 20221129 : 2 (+ 0,= 0,- 2), 0.0 %
Caissa 1.4 : 4 (+ 0,= 0,- 4), 0.0 %
Rebel 16 : 6 (+ 0,= 0,- 6), 0.0 %
RubiChess 20221203 : 4 (+ 0,= 0,- 4), 0.0 %
Alexandria 3.1.0 : 1 (+ 0,= 0,- 1), 0.0 %
Avalanche 1.3.1 : 1 (+ 0,= 0,- 1), 0.0 %
Viridithas 6.0.0 : 1 (+ 0,= 0,- 1), 0.0 %
Jangine 2022-12-01 : 2 (+ 2,= 0,- 0), 100.0 %
RukChess 3.0.13 NNUE2 : 1 (+ 0,= 0,- 1), 0.0 %
Seawall 20230105 : 1 (+ 0,= 0,- 1), 0.0 %
Jangine 2022-12-27 : 1 (+ 0,= 1,- 0), 50.0 %
Carp 1.1.0 : 1 (+ 0,= 1,- 0), 50.0 %
Akimbo 0.1.1 : 1 (+ 0,= 0,- 1), 0.0 %
BlackCore 5.0 : 1 (+ 0,= 0,- 1), 0.0 %
Tofiks 1.0 : 1 (+ 0,= 1,- 0), 50.0 %
MagiC 2.9 : 1 (+ 0,= 0,- 1), 0.0 %
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Lynx 0.15 downloadgithub:https://github.com/lynx-chess/Lynx/releases/tag/v0.15.0
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