Demolito

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[ Being Demolished [1] Demolito,

an UCI compliant open source chess engine by Lucas Braesch, licensed under the GNU General Public License, written in C, first announced at OpenChess in January 2017 [2], a revised stable release published in June 2017 as completely rewritten new DiscoCheck featuring SMP and Chess960 [3], with executables available for Linux, Mac OS and Android.

Features#

Board Representation

• Bitboards
• Dense Piece-Color Board-Definition [4]
• 8x8 Board
• Little-Endian Rank-File Mapping
• Fancy Magic Bitboards

Search

• Lazy SMP
• Iterative Deepening
• Aspiration Windows
• Principal Variation Search [5]
• Transposition Table

Zobrist Hashing

• Selectivity

Eval Pruning Razoring Null Move Pruning Late Move Reductions

• Quiescence Search

SEE Pruning < 0

• Move Ordering

Refutation Table MVV/LVA History Heuristic Evaluation

• Tapered Eval
• Material

Bishop Pair Piece-Square Tables

• Mobility
• Hanging Pieces
• Penalty for Pieces on own Pawn Frontspans
• King Safety

Attacking King Zone Check Threats Pawn Shield

• Pawn Structure

Pawn Hash Table Pawn Chain Phalanx Holes Isolated Pawn Passed Pawn See also

• DiscoCheck

Forum Posts#

2017#

• New UCI Engine: Demolito by lucasart, OpenChess Forum, January 14, 2017
• Demolito Chess Engine by Norbert Raimund Leisner, CCC, January 16, 2016
• Demolito UCI x64 25th January 2017 - 30th January 2017 by Norbert Raimund Leisner, CCC, February 08, 2017
• New DiscoCheck is cooking by lucasart, CCC, June 04, 2017
• New version: Demolito 2017-08-26 by lucasart, CCC, August 27, 2017

2018 …#

• Demolito 20180301 released by lucasart, CCC, March 01, 2018
• Demolito 20181029 released by lucasart, CCC, November 06, 2018
• Could someone do a Demolito compile please ? by Modern Times, CCC, March 28, 2019

External Links#

Chess Engine#

• GitHub - lucasart/Demolito: UCI Chess Engine
• Demolito in CCRL 40/4

Misc#

• demolito - Wiktionary
• Demolition from Wikipedia
• Manfred Mann’s Earth Band - Demolition Man, Live in Budapest 1983, YouTube Video

References#

1. ↑ High Reach Demolition Excavator - Hydraulic demolition scissors on chassis CAT 365B L. Arm is 30 m long, Image by Michal Maňas, June 21, 2006, CC BY-SA 2.5, Wikimedia Commons
2. ↑ New UCI Engine: Demolito by lucasart, OpenChess Forum, January 14, 2017
3. ↑ New DiscoCheck is cooking by Lucas Braesch, CCC, June 04, 2017
4. ↑ Demolito/types.h at master · lucasart/Demolito · GitHub
5. ↑ Demolito/recurse.h at master · lucasart/Demolito · GitHub

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