Chess engine: Motor 0.5.0

 

Motor - UCI chess engine written in C++ 17 with (768 -> 32) x 2 -> 1 NNUE trained with

Currently requires Clang or GCC/MinGW compiler.

Rating Chess Engines Diary CEDR=2786

v.0.5.0:

New network size: (768 -> 1024) x 2 -> 1

Multicut

Futility pruning

History rework

Movegen speedup

STC:

Score of Motor 0.5.0 vs Motor 0.4.0: 510 - 152 - 1338  [0.590] 2000

...      Motor 0.5.0 playing White: 289 - 45 - 666  [0.622] 1000

...      Motor 0.5.0 playing Black: 221 - 107 - 672  [0.557] 1000

...      White vs Black: 396 - 266 - 1338  [0.532] 2000

Elo difference: 62.9 +/- 8.6, LOS: 100.0 %, DrawRatio: 66.9 %

LTC:

Score of Motor 0.5.0 vs Motor 0.4.0: 103 - 22 - 275  [0.601] 400

...      Motor 0.5.0 playing White: 65 - 5 - 132  [0.649] 202

...      Motor 0.5.0 playing Black: 38 - 17 - 143  [0.553] 198

...      White vs Black: 82 - 43 - 275  [0.549] 400

Elo difference: 71.3 +/- 18.5, LOS: 100.0 %, DrawRatio: 68.8 %

Motor 0.4.0 - results:

Arasan 24.2.2	3/6	+0	6 Games
Alexandria 6.1.0	1.5/6	-3	6 Games
Clover 6.1.19	2/4	+0	4 Games
Velvet 7.3.0	1.5/4	-1	4 Games
Alexander 1.2	1.5/4	-1	4 Games
Rebel 16.3	1/4	-2	4 Games
Vafra 14.12.1 Stockfish	1/4	-2	4 Games
Obsidian 12.0	1/4	-2	4 Games
SF-PRO 13.04.2024	0.5/4	-3	4 Games
Stockfish 20240330 Ivec	0.5/4	-3	4 Games
Sloth 1.7	2/2	+2	2 Games
Tcheran 2.2	2/2	+2	2 Games
Ciorap-Bot 0.3	2/2	+2	2 Games
Crafty 25.6_ja	2/2	+2	2 Games
Alpaca 0.2.5	2/2	+2	2 Games
Knightx 3.9	2/2	+2	2 Games
Fatalii 0.6.1	2/2	+2	2 Games
Rybka 2.3.2a	2/2	+2	2 Games
Carp 3.0.1	1.5/2	+1	2 Games
Molybdenum 3.1	1.5/2	+1	2 Games
Princhess 0.16.0	1.5/2	+1	2 Games

Motor 0.5.0 download