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also known as Pocket Chess for Windows, is a shareware chess program by Ivan Bacigal from the 90s, made in 2008 Chess Engine Communication Protocol compatible to run under the WinBoard GUI [1]. Waxmax uses 10x12 board representation, incremental attack updates, alpha-beta search with iterative deepening, aspiration window, killer and refutation moves, history heuristic - all pretty cutting-edge back in 1990. Later on, Ivan added null move pruning and tried several types of futility pruning before settling on razoring. Waxman's name resembles the Russian word for chess Шахмат, while its original name was VaxMan, an attempt to camouflage the program as a DEC VAX management utility [2].


Waxman GUI [3]

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Chess Program



  1. ^ WAXMAN | WinBoard Chess Engine by Ivan Bacigal
  2. ^ WAXMAN | WinBoard Chess Engine by Ivan Bacigal - F A Q
  3. ^ Septober - Computerschach by Herbert Marquardt

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