Princhess 0.22.0 - new version chess engine

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Princhess - UCI compatible chess engine written in Rust.
Thanks to the Authors: Princess Lana & Jacob Jackson  Rating Chess Engines Diary CEDR=3186

Princhess 0.22.0 what's new?

 📦 NEW: Hardtanh context architecture for eg- and mg-policy nets
📦 NEW: New nets trained with improved data generation
📦 NEW: Gini-based CPUCT adjustment
📦 NEW: Virtual mean and increased CPUCT jitter
📦 NEW: Scale value by material phase
👌 IMP: Reduce atomic contention and buffer root edge stats in multi-threaded search
👌 IMP: X-FEN castling support (Chess960 FENs)

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Results of princhess-0.22.0 vs princhess-0.21.0 (8+0.08, 1t, 128MB, UHO_Lichess_4852_v1.epd):
Elo: 42.95 +/- 12.39, nElo: 75.46 +/- 21.53
LOS: 100.00 %, DrawRatio: 44.20 %, PairsRatio: 2.40
Games: 1000, Wins: 299, Losses: 176, Draws: 525, Points: 561.5 (56.15 %)
Ptnml(0-2): [8, 74, 221, 181, 16], WL/DD Ratio: 0.64
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 Princhess 0.20 vs other engines:

Admete 1.6.04/4+44 Games
Fornax 4.0 JA4/4+44 Games
Mochi 20250308 JA4/4+44 Games
Lynx 1.9.01.5/4-14 Games
Pawnocchio 1.3.14151/4-24 Games
Nalwald ab11891 JA0.5/4-34 Games
Perseus 1.00/4-44 Games
Sting Black Hole 102/3+13 Games
Lifish 1.01/3-13 Games
Orion 1.02/2+22 Games
Casanchess 0.8 JA2/2+22 Games
The Baron 3.452/2+22 Games
Chessatron 1.3.141592/2+22 Games
The Flying Dutchman 1.0 JA2/2+22 Games
Bread 1.3.0 JA2/2+22 Games
Clozza 1.0 JA2/2+22 Games
BlueBetaFish dev-b3b8603 JA2/2+22 Games
Bread Engine 1.3.02/2+22 Games
Wahoo 4.0.01.5/2+12 Games
Lynx 1.9.11/2+02 Games
Anduril1/2+02 Games



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