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Numpty chess,
a free Chess Engine Communication Protocol (aka Winboard) compatible chess engine by Chris Tatham. Having initially been started in JustBasic ^[1] it was subsequently translated into, and developed in FreeBasic ^[2] . Initially released in December 2005, Numpty has always had an open source code base. It is a comparatively weak engine, having a primary focus of being a reasonable but beatable opponent to casual and club players^[3] .

Features

^[4]

• 10x12 array based board structure with pseudo legal move generation
• Alpha-beta search with iterative deepening and limited quiesence
• Simple evaluation including material, game phase piece-square tables and basic endgame knowledge

Forum Posts

• Alice, Bullucks and Numpty chess engines by Norbert Raimund Leisner, CCC, August 13, 2008
  Re: Alice, Bullucks and Numpty chess engines Reply to topic by Chris Tatham, CCC, August 13, 2008
• Perft problems... by Chris Tatham, CCC, September 10, 2008 » Perft
• Numpty DD - a tribute to Don Dailey by Norbert Raimund Leisner, CCC, June 04, 2014
• Numpty update by Chris Tatham, CCC, October 21, 2014

External Links

Chess Engine

• Numpty chess
• Numpty Omega in CCRL 40/4

Misc

• numpty - Wiktionary
• BBC World Service | Learning English | Keep your English Up to Date - Numpty

References

1. ^ JustBasic
2. ^ FreeBasic
3. ^ RPD Youtube channel
4. ^ Numpty chess - key features

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