Alarm

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[ Flashing alarm icon [1] Alarm, (Deamon)

a WinBoard compliant chess engine by Benny Antonsson and Erik Robertsson, written in C++. Alarm, the Diabolic Chess Engine [2], was first released in July 2003 [3], and was first mentioned in 2001 formerly called Deamon [4]. Alarm played four CCT Tournaments from 2003 to 2006, the CCT5, CCT6, CCT7 and the CCT8.

Features#

[5]

Board Representation

• 8x8 Board
• Bitboards
• Rotated Bitboards

Search

• Iterative Deepening
• Aspiration Windows
• NegaScout
• Alpha-Beta
• Transposition Table
• Selectivity
  • Quiescence Search
  • Adaptive Null Move Pruning
  • Check Extensions
• Move Ordering
  • MVV/LVA
  • History Heuristic
  • Killer Heuristic

Evaluation

• Material
• Bishop Pair
• Piece-Square Tables
• Pawn Structure
  • Pawn Hash Table
  • Weak Pawns
    • Backward Pawn
    • Doubled Pawn
    • Isolated Pawn
  • Passed Pawn
  • Pawn Center
• King Safety
• Outposts
• Bishop Fianchetto
• Trapped Pieces
• Rook on Seventh
• Connectivity
• and more …

Misc#

• Opening Book from PGN-file

See also#

• Embracer
• StAndersen

Forum Posts#

• Loggo for Deamon by Benny Antonsson, CCC, November 28, 2001
• St.Andersen vs. Deamon 0.87A by Benny Antonsson, CCC, November 30, 2001  » StAndersen
• Another Nordic seems to grow (especially to Odd Gunnar) by Günther Simon, Winboard Forum, December 01, 2001
• Swedish programs by Benny Antonsson, CCC, December 04, 2001
• Winboard engine Alarm is released by Benny Antonsson, CCC, July 16, 2003
• Winboard engine Alarm is released by Benny Antonsson, Winboard Forum, July 16, 2003
• Updated engine: Alarm 0.92.4 by Benny Antonsson, Winboard Forum, August 05, 2003
• Testposition of Matador-Alarm CCT6 by Stefan Knappe, CCC, February 03, 2004 » CCT6
• New version of Alarm by Benny Antonsson, CCC, May 12, 2004

External Links#

Chess Engine#

• Alarm - WinBoard Engine ( Internet Archive)

Alarm - Technical ( Internet Archive) Alarm/Deamon - Revision log ( Internet Archive)

• Computer-Chess Wiki - Engine Download List
• Alarm 0.93.1 in CCRL 40/2
• Alarm 0.93.1 in KCEC

Misc#

• alarm - Wiktionary
• Alarm - Wiktionary
• alarm - Wiktionary (Swedish)
• Alarm - Wiktionary (Swedish)
• Daemon (computing) from Wikipedia
• Alarm (disambiguation) from Wikipedia
• Alarm Pressure - Шелдон Купер, YouTube Video

References#

1. ↑ Flashing alarm icon, Wikimedia Commons
2. ↑ Alarm - WinBoard Engine ( Internet Archive)
3. ↑ Winboard engine Alarm is released by Benny Antonsson, CCC, July 16, 2003
4. ↑ Swedish programs by Benny Antonsson, CCC, December 04, 2001
5. ↑ Features based on Alarm - Technical and Alarm/Deamon - Revision log ( Internet Archive)

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