Celeris - a fast chess engine
Author: Evan Fung
Celeris 2.0 - what's new?
Move generation
Magic Bitboards (wiki)
PEXT intrinsics (Optional) (wiki)
Fancy Magic Bitboards (wiki)
Fully Legal and Fast Move Generator
Keep tracks of pins and checks etc
Fast move generation (Up to 600 Mnps on a R9 7900)
Move ordering
Killer Move Heuristics
History Table (wiki)
MVV-LVA (wiki)
Staged Move Generation (wiki)
Static Exchange Evaluation (wiki)
Capture History (wiki)
Continuation History (wiki)
Search
Iterative Deepening (wiki)
Classic Alpha Beta Search (wiki)
Negamax
Quiescence Search (wiki)
Transposition Table (wiki)
- Lockless Hashing
Null Move Pruning (wiki)
Late Move Reductions (wiki)
Principal Variation Search (wiki)
Late Move Pruning
Futility Pruning (wiki)
Singular Extension Search (wiki)
Internal Iterative Deepening/Reductions (wiki)
SEE Pruning
Mate Distance Pruning (wiki)
Evaluation
NNUE evaluation
Celeris 2.0 - tests and strength/ELO
About 3400-3450 Elo
Celeris vs Stash (3430 on CCRL Blitz) on 8+0.8 tc:
Elo | 33.12 +- 19.96 (95%)
SPRT | 8.0+0.08s Threads=1 Hash=32MB
LLR | 0.72 (-2.94, 2.94) [0.00, 3.00]
Games | N: 726 W: 293 L: 224 D: 209
Penta | [32, 53, 133, 104, 41]
Comments
Post a Comment