New version chess engine: Seawall 20250322 JA
Chess engine: Seawall,
Rating CEDR=2827 Author - Patrick Heck
This is an [UCI] chess engine. It started as an attempt to build a minimal program that was able to play chess. Over time, it has gained features to make it stronger, but it still implements only a subset of UCI necessary to play games, and there's almost no evaluation.
Some ideas have been borrowed more directly than others; the obstruction difference algorithm is based on the version from [Chess Movegen], while the use of a low pass filter and capture history for move ordering were borrowed from [Stockfish].
Seawall 20240926 vs other engines:
| EveAnn 1.73 | 13.5/14 | +13 | 14 Games |
| Purple Panda 18 | 10/10 | +10 | 10 Games |
| Yakka 1.1 | 7.5/10 | +5 | 10 Games |
| Sapling 1.1.1 | 0/10 | -10 | 10 Games |
| Amelia 0.12 | 8/8 | +8 | 8 Games |
| Dirty | 0/8 | -8 | 8 Games |
| Stockfish 17 | 0/8 | -8 | 8 Games |
| SF-PRO 18.09.2024 | 0/8 | -8 | 8 Games |
| JigSaw 6.0 | 0/8 | -8 | 8 Games |
| YuliGM Strong 180824 | 0/8 | -8 | 8 Games |
| Neuromancer 1.5 | 7/7 | +7 | 7 Games |
| CT800 1.46 | 5.5/6 | +5 | 6 Games |
| Dirty Duna | 5/6 | +4 | 6 Games |
| Critter 1.6a | 0.5/6 | -5 | 6 Games |
| ShashChess 36 | 0/6 | -6 | 6 Games |
| Rems Sep24 | 0/6 | -6 | 6 Games |
| Brainlearn 29 | 0/6 | -6 | 6 Games |
| Yuliana 5.0 | 0/6 | -6 | 6 Games |
| Rems 150824 | 0/6 | -6 | 6 Games |
| CorChess 20240927 | 0/6 | -6 | 6 Games |
| Inanis 1.5.0 | 3.5/4 | +3 | 4 Games |
Jim Ablett compiles:
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