Evaluation Patterns

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There are certain typical positions which tend to require additional knowledge, matching pattern of piece or pawn interactions. A couple of examples:

• Fianchetto (once a bishop is fianchettoed, it is generally undesirable to exchange it, especially when it is a part of king’s defensive formation)
• Outposts
• Returning Bishop
• Against the Stonewall or Slav formations it is undesirable to play c4-c5 (such code can be found in Phalanx)

See also#

• Bitboard Pattern
  • Pawn Pattern and Properties
  • King Pattern
• Chunking
• King Safety Patterns
  • Mate at a Glance
• Pawn Center
• Pattern Recognition
• Rule of the Square
• Tactical Pattern
• Tarrasch Rule
• Trapped Pieces

Publications#

• Tomoyuki Kaneko, Kazunori Yamaguchi, Satoru Kawai (2003). Automated Identification of Patterns in Evaluation Functions. Advances in Computer Games 10
• Manuel Cristóbal López-Michelone, Jorge Luis Ortega-Arjona (2016). Patterns for the game of chess. SugarLoaf PLoP'16
• Manuel Cristóbal López-Michelone, Jorge Luis Ortega-Arjona (2020). A description language for chess. ICGA Journal, Vol. 42, No. 1

Forum Posts#

• positional patterns for “human” engine by Pawel Koziol, CCC, February 16, 2013

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