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NG-play,
a relatively simple, open source engine compliant to the Chess Engine Communication Protocol written in C by George Georgopoulos. NG-play uses a 10x12 board, and performs a negamax alpha-beta search with iterative deepening and null move pruning. Evaluation considers material and mobility in a first pass, and focuses on king safety in the middlegame, as well as passed pawn evaluation in a second pass ^[1] .

Development History

• From version 8.0, search algorithm changed to NegaScout
• From version 9.0, a simple transposition table scheme is used

Forum Posts

• A not very recent Greek chess engine by Ruxy Sylwyka, CCC, December 03, 2012
• Author of NGplay_61 should give credit to tscp by User923005, OpenChess Forum, December 05, 2012
• new chess computer: CT800 by Rasmus Althoff, CCC, September 05, 2016 » CT800
• NGplay 9.87 64-bit released by Graham Banks, CCC, February 25, 2017

External Links

• George Georgopoulos Personal page
• Latest version 64 bit (NGplay_9.87_64bit.zip) download
• Latest sources (NGplay_9.87.c)
• NG-Play in CCRL 40/40

References

1. ^ NGplay_61.c download

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