Cinder 0.2.0 - new version chess engine

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Cinder - UCI chess engine 
Author: Bruno Dutra

v.0.2.0:
SPRT
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Results of dev vs base (1+0.01, 1t, 16MB, UHO_Lichess_4852_v1.epd):
Elo: 130.39 +/- 4.49, nElo: 217.01 +/- 6.81
LOS: 100.00 %, DrawRatio: 28.72 %, PairsRatio: 9.04
Games: 10000, Wins: 4719, Losses: 1133, Draws: 4148, Points: 6793.0 (67.93 %)
Ptnml(0-2): [18, 337, 1436, 2459, 750], WL/DD Ratio: 1.12
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What's Changed
Implement time management based on node count per pv by @brunocodutra in #743
implement time management based on score stability by @brunocodutra in #744
Implement the SPSA algorithm to auto-tune hyper-parameters by @brunocodutra in #763
Add support for Syzygy tablebases by @brunocodutra in #777

How powerful is the Cinder chess engine?

The previous version of this engine in the Chess Engines Diary - CEDR ranking achieved a rating of 3580. This gives it 41st place on the list from May 1, 2025. This version, according to the author's announcement, is to be better by 100 points.


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