Crux

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Crux constellation

Crux,
a chess engine by László Szalai, written in Delphi. It runs under Windows either in console mode or with an own GUI, and as first Hungarian WinBoard program and also supports the Chess Engine Communication Protocol. The search is plain alpha-beta improved by null move pruning and the killer heuristic. Crux played the ICT 2001 and various Hungarian Chessprogram Open, where it won the MASPV 2002. Crux' opening book is edited by Pandix book author Csaba Szûts .

Photos & Games

ICT 2001, László Szalai and Rudolf Huber, SOS - Crux

[Event "ICT 2001"]
[Site "Leiden"]
[Date "2001.05.18"]
[Round "2"]
[White "SOS"]
[Black "Crux"]
[Result "1/2-1/2"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be2 Nf6 7.O-O Be7 8.Be3 O-O 9.f4 Bd7 
10.Kh1 a6 11.Qe1 b5 12.a3 Nxd4 13.Bxd4 Bc6 14.Qg3 Kh8 15.Rad1 Rg8 16.Bd3 Rc8 17.Qh3 h6 
18.b4 Qe8 19.e5 dxe5 20.Bxe5 Bd7 21.Ne4 Qf8 22.g4 Bc6 23.g5 Kh7 24.f5 exf5 25.Qxf5+ g6 
26.Qh3 Nh5 27.Kg1 Re8 28.Nd6 Bxd6 29.Bxd6 Qxd6 30.Qxh5 Rg7 31.Qxh6+ Kg8 32.Bxb5  Qe6 
33.Bxc6 33.Qxc6 34.Qh4 Qxc2 35.Rd6 Rh7 36.Qf4 a5 37.Rd7 axb4 38.axb4 Qa2 39.b5 Qb3 
40.Rb7 f5 41.Rb6 Rg7 42.Qg3 Qa4 43.Kh1 Qc4 44.Qf3 Kh8 45.Qh3+ Kg8 46.Qg2 Kh8 47.Rg1 Qd3 
48.Rb7 Rxb7 49.Qxb7 Re4 50.Qb8+ Kg7 51.Qa7+ Kf8 52.Qa1 Qf3+ 1/2-1/2

Forum Posts

2000 ...

• Crux for Test... by WYx, Winboard Forum, February 09, 2000
• ...thanx for crux beta Testers... by WYx, Winboard Forum, March 18, 2000
• :-) ...many results with crux 01.10... by WYx, Winboard Forum, March 18, 2000
• ...crux 01.2R...and medium book... by WYx, Winboard Forum, April 10, 2000
• ...crux 01.3R available... by WYx, Winboard Forum, April 30, 2000
• ...crux 01.4R and new book available... by WYx, Winboard Forum, May 07, 2000
• ...crux 01.5R is available... by WYx, Winboard Forum, May 16, 2000
• ...crux 01.6R and updated largee book available... by WYx, Winboard Forum, May 18, 2000
• Crux emits a quit unexpectedly? by Dann Corbit, Winboard Forum, June 06, 2000
• ...crux 03.5b is available.... by WYx, Winboard Forum, July 12, 2000
• ...crux 03.7b is available... by WYx, Winboard Forum, August 12, 2000
• ...crux 04.0b is ready... by WYx, Winboard Forum, September 25, 2000
• ...crux chess for windows 1.0 is available... by WYx, Winboard Forum, September 29, 2000
• ...crux 04.2b is ready for download... by WYx, Winboard Forum, November 02, 2000
• ...crux 04.3b is available... by WYx, Winboard Forum, November 15, 2000
• ...Crux Chess for Windows 1.3 is available... by WYx, Winboard Forum, December 04, 2000
• ...crux 04.5b is ready... by WYx, Winboard Forum, December 27, 2000

2001

• ...Crux for Windows 1.4 is available... by WYx, Winboard Forum, January 16, 2001
• ...new crux GUI is ready... by WYx, Winboard Forum, February 28, 2001
• Leiden 2001, SOS-Crux ... by WYx, CCC, May 23, 2001
• Crux 05.0g 'Leiden' released by WYx, Winboard Forum, May 29, 2001
• new Crux... by WYx, Winboard Forum, August 23, 2001

2002 ...

• Crux Opening Books by Darren, Winboard Forum, February 07, 2002
• Crux webpage updated and fixed by WYx, Winboard Forum, MarCH 20, 2004

External Links

Chess Engine

• Welcome on official CRUX home page
• Crux Chess images

Misc

• Crux (disambiguation) from Wikipedia
• Crux (constellation) from Wikipedia
• Frank Zappa - The Crux Of The Crux, YouTube Video

References

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