Dorpsgek

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[ Vincent van Gogh [1] [2] Dorpsgek,

a Chess Engine Communication Protocol compliant chess engine by Matthew R. Brades, written in C, previously available as open source licensed under the GNU General Public License [3]. Dorpsgek versions were named after Cocktails in alphabetic order, starting with Ambrosia released in July 2016 [4].

Features#

Board Representation

• Piece-Lists
• 8x8 Board
• 16x12 Coordinates for Vector Attacks
• Incrementally Updated Attacked 8x8 Array of Piece-Sets

Search

• Iterative Deepening
• Principal Variation Search
• Transposition Table

Zobrist Hashing

• Selectivity

Late Move Reductions Null Move Pruning Reverse Futility Pruning Check Extensions

• Quiescence Search
• Move Ordering

MVV/LVA Killer Heuristic History Heuristic Evaluation

• Tapered Eval
• Material

Bishop Pair

• Piece-Square Tables
• Mobility for Bishop and Knight

Rook on Open File

• King Safety
• Pawn Structure

Doubled Pawn Isolated Pawn Passed Pawn Rule of the Square

• Tempo

See also#

• Jester by Stéphane Nguyen
• Jester by Marty Franz
• Joker by Marc-François Baudot and Jean-Christophe Weill
• Joker by Harm Geert Muller

Forum Posts#

• Debugging crashes in the wild by Matthew R. Brades, CCC, June 28, 2016
• Dorpsgek Ambrosia by Matthew R. Brades, CCC, July 07, 2016
• Dorpsgek Bloody Mary by Matthew R. Brades, CCC, September 04, 2016
• Dorpsgek Cosmopolitan by Matthew R. Brades, CCC, January 14, 2017
• Dorpsgek Dillinger by Matthew R. Brades, CCC, June 08, 2017
• Dorpsgek Eve’s Temptation by Matthew R. Brades, CCC, April 02, 2018
• Chess programs :: Source available, but not today? by Günther Simon, CCC, November 23, 2020

External Links#

Chess Engine#

• GitHub - ZirconiumX/Dorpsgek: A chess program ( Wayback Machine)
• Dorpsgek in CCRL Blitz

Misc#

• dorpsgek - Wiktionary

village idiot - Wiktionary

• Dorpsgek from Wikipedia.nl (Dutch)

Village idiot from Wikipedia

• De dorpsgek van Schoonvergeten - Wikipedia.nl (Dutch) Comic by Didier Comès ( Silence in French) [5]
• List of cocktails from Wikipedia
• Ambrosia from Wikipedia
• Bloody Mary (cocktail) from Wikipedia
• Cosmopolitan (cocktail) from Wikipedia
• Dillinger (disambiguation) from Wikipedia

References#

1. ↑ Vincent van Gogh - Self-Portrait with Grey Felt Hat, 1887, oil on cardboard, Rijksmuseum, Wikimedia Commons
2. ↑ Van dorpsgek naar cultfiguur by Merel Lucassen, October 05, 2015 (Dutch)
3. ↑ Chess programs :: Source available, but not today? by Günther Simon, CCC, November 23, 2020
4. ↑ Dorpsgek Ambrosia by Matthew R. Brades, CCC, July 07, 2016
5. ↑ Stripspeciaalzaak.be - BelgenTop 50 nr. 8: De Dorpsgek van Schoonvergeten

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