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Cumulus

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Cumulonimbus and Cumulus clouds 1Cumulonimbus and Cumulus clouds 1

  1. Anvil of a large Cumulonimbus, Cumulus congestus at the bottom, Photo by Simon Eugster, April 7, 2005, Cumulus cloud from Wikipedia↩︎

Cumulus,
the second chess program by Jean-Christophe Weill and Marc-François Baudot, written in C with a few 8086 Assembly snippets 1. Cumulus played the WMCCC 1990, WMCCC 1991, and WCCC 1992 2, the Aegon 1993 and various Aubervilliers Rapid Open - the versions since WCCC 1992 already the Écume codebase, completely written in Assembly language 3.

Contents
  1. Description
  2. Selected Games
  3. See also
  4. External Links
    1. Chess Engine
    2. Misc
  5. References

Description

from Don Beal's WMCCC 1991 report 4 :

Written by Jean-Christophe Weill, in association with Marc-François Baudot of Échec, this is a new program, only in development for 7 months, although it made its first appearance at the 1990 World Micro. Its evaluation function has some overlap with Échec, although Cumulus add hung-piece considerations, king safety and uses different definition of mobility. Its selectivity is driven by swap-off values and certain mate threats. Checks, promotion threats, and re-captures are extended. 

Selected Games

WCCC 1992, round 4, Cumulus 2 - Kallisto 5

[Event "WCCC 1992"]
[Site "Madrid, Spain"]
[Date "1992.11.26"]
[Round "4"]
[White "Cumulus 2"]
[Black "Kallisto"]
[Result "1-0"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Nbd2 Bb7 5.Bd3 Nc6 6.c3 a5 7.O-O Ba6 8.Bxa6 Rxa6 
9.e4 Be7 10.e5 Nh5 11.Ne4 a4 12.Nfg5 g6 13.Qf3 O-O 14.Be3 Ra5 15.g4 Ng7 16.Qh3 
h5 17.b4 axb3 18.axb3 Qa8 19.Rxa5 Qxa5 20.Nf6+ Bxf6 21.exf6 Ne8 22.gxh5 gxh5 
23.Qg3 Kh8 24.Qf3 Kg8 25.Kh1 Qd5 26.Ne4 Qf5 27.Qxf5 exf5 28.Bh6 fxe4 29.Rg1+ 
Ng7 30.Rxg7+ Kh8 31.h4 d6 32.b4 b5 33.Kh2 Na7 34.Rg5 Re8 35.Bg7+ 1-0

See also

Chess Engine

Misc

Watch on YouTube

References

Up one Level

  1. A Short Story of JCW's Computer Chess Program by Jean-Christophe Weill↩︎

  2. Cumulus' ICGA Tournaments↩︎

  3. A Short Story of JCW's Computer Chess Program by Jean-Christophe Weill↩︎

  4. Don Beal (1991). Report on the 11th World Microcomputer Chess Championship. ICCA Journal, Vol. 14, No. 2↩︎

  5. Madrid 1992 - Chess - Round 4 - Game 3 (ICGA Tournaments)↩︎

  6. Vancouver 1991 - Chess - Round 2 - Game 1 (ICGA Tournaments)↩︎

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Contributors: GerdIsenberg.