Cinder - UCI chess engine
Author: Bruno Dutra Rating Chess Engines Diary CEDR=3650
Cinder 0.4.0 what's new?
What's Changed
Split null move pruning from null move reduction by @brunocodutra in #848
Split see pruning between quiet and noisy moves by @brunocodutra in #851
Incorporate threats to history heuristic by @brunocodutra in #865
Implement the probcut heuristic by @brunocodutra in #869
Incorporate threats to continuation heuristic by @brunocodutra in #876
Update NNUE architecture to 768x16hm -> 4096/2 -> ([16*2 -> 16*2 -> 16*2 -> 1] + [16*2 + 1])x8 by @brunocodutra in #916
How powerful is the Cinder chess engine?
STC
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Results of dev vs v0.3.1 (8+0.08, 1t, 16MB, UHO_Lichess_4852_v1.epd):
Elo: 83.62 +/- 4.19, nElo: 168.97 +/- 8.14
LOS: 100.00 %, DrawRatio: 38.60 %, PairsRatio: 6.54
Games: 7000, Wins: 2606, Losses: 953, Draws: 3441, Points: 4326.5 (61.81 %)
Ptnml(0-2): [10, 275, 1351, 1780, 84], WL/DD Ratio: 0.95
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LTC
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Results of dev vs v0.3.1 (40+0.4, 1t, 16MB, UHO_Lichess_4852_v1.epd):
Elo: 89.11 +/- 7.27, nElo: 195.00 +/- 15.23
LOS: 100.00 %, DrawRatio: 38.10 %, PairsRatio: 8.83
Games: 2000, Wins: 749, Losses: 247, Draws: 1004, Points: 1251.0 (62.55 %)
Ptnml(0-2): [1, 62, 381, 546, 10], WL/DD Ratio: 0.92
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Cinder 0.3.1 vs other engines:
| Critter 1.6a | 16/16 | +16 | 16 Games |
| Claw 1.0-M | 6/16 | -4 | 16 Games |
| SF-POLY 200825 | 5.5/16 | -5 | 16 Games |
| Artemis 17.9TR sl | 4.5/16 | -7 | 16 Games |
| Alexandria 8.1.0 | 5/14 | -4 | 14 Games |
| Fire 10 mingw | 8.5/12 | +5 | 12 Games |
| Pawnocchio 1.8.1 | 6.5/12 | +1 | 12 Games |
| Caissa 1.23 | 5/12 | -2 | 12 Games |
| Viridithas 18.0.0 | 4.5/12 | -3 | 12 Games |
| PlentyChess 6.0.18 | 4/12 | -4 | 12 Games |
| Tactical Titan v3 | 4/10 | -2 | 10 Games |
| Spirit 100825 | 3.5/10 | -3 | 10 Games |
| Bread Engine 1.6.0 | 8/8 | +8 | 8 Games |
| Eubos 4.1 JA | 8/8 | +8 | 8 Games |
| Colossus 2025b | 8/8 | +8 | 8 Games |
| Eleanor 2.0 | 7.5/8 | +7 | 8 Games |
| Laser 1.8 beta JA | 7.5/8 | +7 | 8 Games |
| Patricia 5.0 | 6/8 | +4 | 8 Games |
| Halogen 14.16.1 | 4/8 | +0 | 8 Games |
| Alexandria 8.1.2 | 3.5/8 | -1 | 8 Games |
| Halogen 14.17.0 | 3.5/8 | -1 | 8 Games |
Achievements of the Cinder chess engine, see entry:
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