Cataphract - a simple UCI chess engine written in C++.
Only work with CPUs that support AVX2.
Author: Masceron
Cataphract 1.5 what's new?
Changes from version 1.4:
NNUE architecture changed to (768x16→1280)x2→1x8.
Added Lazy SMP and support for multithreaded tasks.
Added SPSA support and did some parameters tuning.
Time manager has been improved to scale smoother with unstable searches.
Various bug fixes and improvements.
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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