Cataphract - a simple UCI chess engine written in C++.
Only work with CPUs that support AVX2.
Author: Masceron
Cataphract 1.3 what's new?
Changes since version 1.2:
Adopted a stronger net.
Added singular extension and related techniques like multicut and negative extensions.
More sophisticated time management.
Improved transposition table writing conditions.
Improved quiescence search and noisy moves categorization.
General optimizations and adoption of newer C++ features.
Cataphract 1.2 JA vs other engines:
| Critter 1.6a | 24/28 | +20 | 28 games |
| PZChessBot 6.0 | 2.5/8 | -3 | 8 games |
| Arasan 25.3 JA | 1.5/8 | -5 | 8 games |
| PlentyChess Alamat 7.0.41 SE | 0.5/8 | -7 | 8 games |
| Minke 4.0.0 | 3.5/5 | +2 | 5 games |
| Demolito 2025-12-16 | 3/4 | +2 | 4 games |
| Texel 1.13a4 JA | 1.5/4 | -1 | 4 games |
| Stockfish dev-20260101 | 1/4 | -2 | 4 games |
| Astra 6.1.1 | 1/4 | -2 | 4 games |
| Artemis 23TR PrO | 1/4 | -2 | 4 games |
| Obsidian 16.15 SE | 1/4 | -2 | 4 games |
| Raubfisch X48e | 1/4 | -2 | 4 games |
| Caissa 1.24 JA | 1/4 | -2 | 4 games |
| Quanticade 3.0 | 1/4 | -2 | 4 games |
| PlentyChess 7.0.37 | 1/4 | -2 | 4 games |
| CorChess 20251130 | 0.5/4 | -3 | 4 games |
| DarkSeid 7.7 EE | 0.5/4 | -3 | 4 games |
| DON dev-20251221 | 0.5/4 | -3 | 4 games |
| Motor 0.9.0 | 0.5/4 | -3 | 4 games |
| Raid 5.2 | 0.5/4 | -3 | 4 games |
| Revolution 4.10 261225 | 0/4 | -4 | 4 games |
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