New version chess engine for Android: Viridithas 10.0.0
Rating CEDR=3148
v.10.0.0:
Upgrades
Only update best-move when alpha is raised (3.06 +- 2.35) (#52)
Return tt_value rather than alpha/beta on ttcut (14.41 +- 6.06) (#53)
Dynamic time management using subtree sizes (5.63 +- 3.54) (#54)
Smaller net trained on FRC + cleaned-up old data (6.14 +- 3.85) (#55)
Use a greater fraction of the clock increment (9.50 +- 4.87 at 8s+0.08s) (#56)
Material scaling for NNUE eval (9.50 +- 4.87) (#57)
Prevent NMP if TT indicates it will fail (5.66 +- 3.58) (#60)
Elo comparison against v9.1.0
Individual statistics: Viridithas 7.0.0 - 84 games (+ 36,= 17,- 31), 53.0 %
Laser 1.7 : 2 (+ 1,= 1,- 0), 75.0 %
GoldOno 7.0 : 4 (+ 0,= 3,- 1), 37.5 %
Topple 0.7.5 : 2 (+ 2,= 0,- 0), 100.0 %
Asymptote 0.8 : 2 (+ 1,= 1,- 0), 75.0 %
SugaR AI 1.50 : 2 (+ 0,= 0,- 2), 0.0 %
Stockfish 13 : 2 (+ 0,= 0,- 2), 0.0 %
Spider 1.1c : 2 (+ 1,= 0,- 1), 50.0 %
Black Mamba 2.0 : 2 (+ 1,= 1,- 0), 75.0 %
Stash 33.22 : 4 (+ 3,= 1,- 0), 87.5 %
Velvet 5.0.0 : 2 (+ 2,= 0,- 0), 100.0 %
Carp 1.2.0 : 6 (+ 6,= 0,- 0), 100.0 %
Winter 2.0 : 6 (+ 5,= 1,- 0), 91.7 %
Ethereal 14.00 : 6 (+ 1,= 0,- 5), 16.7 %
Polyfish 230202 : 6 (+ 0,= 2,- 4), 16.7 %
Stockfish 230202 : 6 (+ 0,= 0,- 6), 0.0 %
Smallbrain 7.0 : 6 (+ 1,= 3,- 2), 41.7 %
Sting Black Hole 4 : 6 (+ 6,= 0,- 0), 100.0 %
Fatalii 0.4.0 : 2 (+ 2,= 0,- 0), 100.0 %
Svart 2.0.0 : 2 (+ 2,= 0,- 0), 100.0 %
ShashChess 29.1 : 2 (+ 0,= 0,- 2), 0.0 %
Pawn 1.0 : 2 (+ 0,= 1,- 1), 25.0 %
Berserk 11.1 : 2 (+ 0,= 1,- 1), 25.0 %
Velvet 2.5.0 dev-1 : 2 (+ 0,= 2,- 0), 50.0 %
CfishNN 230309 : 2 (+ 0,= 0,- 2), 0.0 %
Polyfish 20230304 : 2 (+ 0,= 0,- 2), 0.0 %
Peacekeeper 1.20 : 2 (+ 2,= 0,- 0), 100.0 %
See also: Viridithas 10.0.0 for Windows
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