Snitch

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Snitch,

a WinBoard and UCI compliant chess engine by Klaus Friedel, written in C++, first announced [1] and released [2] in 2004. While Klaus’ former engine Hagrid applies Rotated Bitboards, Snitch uses a plain 8x8 board with piece-lists and attack tables [3], as well as legal move generation.

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• Iterative Deepening
• Aspiration Windows
• Alpha-Beta PVS
• Transposition Table
• Selectivity
  • Fail-High Reductions
  • Null Move Pruning (R=2,3)
  • Quiescence Search
  • Futility Pruning
  • Delta Pruning
  • Eval based Pruning
• Move Ordering
  • Killer Heuristic
  • History Heuristic
  • MVV/LVA

Evaluation

• Material
• Piece-Square Tables
• Lazy Evaluation
• Square Control
• Pawn Structure
• Pawn Hash Table
• King Safety
• Outposts
• Bad Bishop [5]

Misc#

• Book Learning
• Nalimov Tablebases

See also#

• Hagrid

Forum Posts#

• New engine by Klaus Friedel, Winboard Forum, January 03, 2004
• New engine Snitch 1.0.0 by Klaus Friedel, Winboard Forum, September 28, 2004
• Snitch 1.0.4 available by Klaus Friedel, Winboard Forum, October 07, 2004
• Snitch 1.0.8 released by Klaus Friedel, CCC, November 16, 2004
• Snitch new version by Klaus Friedel, Winboard Forum, November 17, 2004
• Snitch 1.6.1 by Sergio Martinez, Winboard Forum, May 06, 2006

External Links#

Chess Engine#

• Snitch and Hagrid two free UCI / Winboard chess engines
• Snitch 1.6.2 32-bit in CCRL 40/15

Misc#

• Snitch from Wikipedia
• snitch - Wiktionary

References#

1. ↑ New engine by Klaus Friedel, Winboard Forum, January 03, 2004
2. ↑ New engine Snitch 1.0.0 by Klaus Friedel, Winboard Forum, September 28, 2004
3. ↑ Re: Attack table by Klaus Friedel, Winboard Forum, September 28, 2004
4. ↑ Snitch and Hagrid two free UCI / Winboard chess engines - Developer
5. ↑ Re: Evaluating bad bishops by Klaus Friedel, Winboard Forum, May 15, 2006

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