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a WinBoard compliant chess engine by Alex Brunetti, written in Delphi and Assembly. Protej applies rotated bitboards - its search evolved to iterative deepening aspiration search with NegaScout alpha-beta, null move pruning with R == 3, transposition table, and basic search extensions and reductions. The quiescence search ignores losing captures, thanx to a fast SEE implementation [1] . So far, Protej played the CCT9, CCT10, WCRCC 2014 online, and CIPS 2007, CCC 2008, and CCC 2009 over the board.

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Chess Engine



  1. ^ Protej chess engine - chronology

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