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Chess engine: Horowitz 2.1.0 (Windows, MAC and Linux)



Horowitz, author: OliveriQ
Horowitz is a UCI compatible chess engine written in Golang. Available to play against on lichess.

Releasing Horowitz v2.1.0.
This version essentially consists of a simpler evaluation function and a much faster search function. This has produced a reasonable gain in playing strength. Evaluation now uses PSQT's + Material (both now incrementally updated) and mop-up evaluation for converting late endgame positions. Other changes include various bug fixes.

Here are the final scores of v2.1.0 vs v2.0.0 in a match consisting of 100 games (TC 40/10s + 0.1):
Score of horowitz-new vs horowitz-old: 66 - 17 - 17 [0.745]
...      horowitz-new playing White: 39 - 8 - 3  [0.810] 50
...      horowitz-new playing Black: 27 - 9 - 14  [0.680] 50
...      White vs Black: 48 - 35 - 17  [0.565] 100
Elo difference: 186.2 +/- 70.4, LOS: 100.0 %, DrawRatio: 17.0 %
100 of 100 games finished. TC: 40/10s + 0.1

Horowitz 2.1.0 download from page



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