Tarnished - UCI chess engine
Author: Anik Patel (Bobingstern)
What has changed in the new version Tarnished 4.0 dev.1137 JA?
dev release for TCEC
bigger network, more data, etc
Tarnished 2.1 JA - tactical test
Tarnished 2.1 JA was tested against the position shown in the diagram, where the non-obvious move 1.Rg4+ wins.
Tarnished 2.1JA compiled by Jim Ablett and it solved the problem without any problems. Interestingly, the "original" 2.1 compiled failed and after 10 minutes of analysis it proposed 1.Bd5.
Tarnished 4.0 vs other engines:
| Caissa 1.23 | 5/14 | -4 | 14 Games |
| Knightx 4.5 | 10/10 | +10 | 10 Games |
| Belofte 2.1.9 (u) JA | 10/10 | +10 | 10 Games |
| Critter 1.6a | 9.5/10 | +9 | 10 Games |
| Lynx 1.10.0 | 9.5/10 | +9 | 10 Games |
| Pawnocchio 1.8 | 4.5/8 | +1 | 8 Games |
| Titan 1.1.0 | 4/8 | +0 | 8 Games |
| Viridithas 18.0.0 | 4/8 | +0 | 8 Games |
| RubiChess 20250606 JA | 3.5/8 | -1 | 8 Games |
| Motor 0.9.0 | 3.5/8 | -1 | 8 Games |
| Horsie 1.1.0 | 3.5/8 | -1 | 8 Games |
| Obsidian dev-16.14 | 3/8 | -2 | 8 Games |
| PlentyChess 6.0.18 | 3/8 | -2 | 8 Games |
| Clover 9.0 JA | 3/8 | -2 | 8 Games |
| Integral 7.0.0 JA | 2.5/8 | -3 | 8 Games |
| Stormphrax 7.0.0 JA | 2.5/8 | -3 | 8 Games |
| Berserk 20250622 | 2/8 | -4 | 8 Games |
| Belofte 2.1.9 (u) | 6/6 | +6 | 6 Games |
| Senpai 2.0 JA | 6/6 | +6 | 6 Games |
| Chess-3 2.0 JA | 5.5/6 | +5 | 6 Games |
| Eleanor 2.0 | 5/6 | +4 | 6 Games |
Jim Ablett compiles:



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