Chess engine: Topple 0.8.1 JA
Topple - UCI chess engine.
Author- Vincent Tang, Rating CEDR=2919
v. 0.8.1:
General
Lots of code cleanup and refactoring to improve maintainability
New material hashing scheme
Replaced custom Syzygy probing code with the Fathom library
New binaries compiled with LLVM/Clang (much smaller now).
Search
Optimised move generation of pawns
Adjusted hash table replacement criteria to favour PV nodes
Strength gains should be in the 5-10 elo range based on self play testing.
Topple 0.8.1 vs other engines:
| Jence 1.0.2 | 9/9 | +9 | 9 Games |
| Amoeba 3.4 | 6/9 | +3 | 9 Games |
| Nirvanachess 2.5 | 1.5/7 | -4 | 7 Games |
| Novice 3.1 | 4/5 | +3 | 5 Games |
| Godel 7.0 | 4/5 | +3 | 5 Games |
| BBC 1.4 | 3/5 | +1 | 5 Games |
| Cheng 4.41 | 2.5/5 | +0 | 5 Games |
| K2 0.99 | 4/4 | +4 | 4 Games |
| CT800 1.44 | 4/4 | +4 | 4 Games |
| Jinx 1.0 | 3/3 | +3 | 3 Games |
| Deuterium 2019.2.37.73 | 2.5/3 | +2 | 3 Games |
| Clovis III | 2/3 | +1 | 3 Games |
| Delocto 0.61n | 2/3 | +1 | 3 Games |
| Journeyman 2.1 | 1.5/3 | +0 | 3 Games |
| GOOB 1.8.9 | 1.5/3 | +0 | 3 Games |
| Inanis 1.2.0 | 1.5/3 | +0 | 3 Games |
| Monolith 2 | 1.5/3 | +0 | 3 Games |
| Cheese 3.1.1 | 1.5/3 | +0 | 3 Games |
| Beef 0.3.6 | 1.5/3 | +0 | 3 Games |
| Polaris 1.8.1 | 1.5/3 | +0 | 3 Games |
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