Marvin - UCI chess engine
Rating JCER=3458, Author - Martin Danielsson
Rating JCER=3458, Author - Martin Danielsson
Marvin 6.3.0 JA is a build created by Jim Ablett. Judging by the first few tests, this engine performs faster than the original. We'll post the test results and rankings for this engine on our website soon. Stay tuned!
v.6.3.0:
Improvements
New NNUE architecture, (768->1024)x2->1
Switch back to pure NNUE evaluation
Remove scaling of NNUE scores
Remove delta pruning
Include checks in first iteration of quiscence search
Added possibility to generate and rescore training data
Bug fixes
Fixed compile problem with Android NDK
Fixed a bug when evaluating piece-square tables
Fixed a FEN parsing bug
Marvin 6.3.0 vs other engines:
| Rice 8.0.0 | 10/18 | +2 | 18 Games |
| Wasp 7.00 | 8.5/18 | -1 | 18 Games |
| Komodo 14.1 | 8/16 | +0 | 16 Games |
| Cheng 4.48 | 8/16 | +0 | 16 Games |
| Alexandria 7.0.0 | 2.5/16 | -11 | 16 Games |
| Pedone 3.1 | 8/14 | +2 | 14 Games |
| Nemorino 6.00 | 7/14 | +0 | 14 Games |
| Winter 4.0 JA | 7/14 | +0 | 14 Games |
| Titan 1.1.0 | 3.5/14 | -7 | 14 Games |
| Renegade 1.1.0 | 6/12 | +0 | 12 Games |
| Peacekeeper 3.00 | 4.5/12 | -3 | 12 Games |
| Caissa 1.18 | 3.5/12 | -5 | 12 Games |
| Chess-System-Tal-2 | 2.5/12 | -7 | 12 Games |
| Berserk 13 | 1.5/12 | -9 | 12 Games |
| Obsidian 12.29 | 3.5/11 | -4 | 11 Games |
| Stash 35.26 JA | 6.5/10 | +3 | 10 Games |
| Tucano 11.19 JA | 5/10 | +0 | 10 Games |
| Midnight 9 | 4.5/10 | -1 | 10 Games |
| Minic 3.41 | 4.5/10 | -1 | 10 Games |
| Clarity 7.0.0 | 4/10 | -2 | 10 Games |
| Lizard 10.4 | 3/10 | -4 | 10 Games |
Marvin - best tournament results:
Windows/Linux & Android profiled builds - Jim Ablett compiles:
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