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BugChess,
a family of chess programs written by programmer François Karr and chess expert Jean-Philippe Karr. The early Bugchess versions starting in 1996 running under MS-DOS ^[1] and Windows were compiled with Borland C++ ^[2] and had their own GUI.

Screenshot

BugChess GUI [3]

BugChess2

BugChess2 is a WinBoard compliant chess engine written in C++. It was a complete rewrite and has no code in common with BugChess, and features a parallel search to utilize multiple processors. BugChess2 was first released in May 2006 ^[4], and played a strong WCRCC 2008 Annual ACCA World Computer Rapid Chess Championship.

Selected Games

WCRCC 2008, round 14, BugChess2 - Rybka ^[5]

[Event "WCRCC 2008"]
[Site "Internet Chess Club"]
[Date "2008.06.22"]
[Round "14"]
[White "BugChess2"]
[Black "Rybka"]
[Result "1/2-1/2"]
 
1.e4 c5 2.Nc3 d6 3.Nf3 Nf6 4.e5 dxe5 5.Nxe5 a6 6.a4 Qc7 7.d4 e6 8.Be3 Nbd7 
9.Nc4 cxd4 10.Qxd4 Bc5 11.Qf4 Qxf4 12.Bxf4 Nd5 13.Nxd5 exd5 14.Nd6+ Ke7 
15.Nxc8+ Rhxc8 16.O-O-O Nf6 17.f3 b5 18.axb5 axb5 19.Bxb5 Ra5 20.Bd3 Bb4 
21.c3 d4 22.c4 Nd5 23.Bg5+ Ke6 24.Kc2 Ne3+ 25.Bxe3 dxe3 26.Ra1 Rca8 27.Rxa5 
Rxa5 28.Be2 g5 29.h4 h6 30.hxg5 hxg5 31.g4 Ke5 32.Rh8 Kf4 33.Re8 Bd2 34.Re7 
Kg3 35.Rxf7 Kf2 36.Kd3 Ra8 37.Rf5 Bc1 38.Rxg5 Bxb2 39.Rh5 Ra3+ 40.Kc2 Kxe2 
41.Kxb2 Ra8 42.f4 Re8 43.Rh1 Kf3 44.f5 Kxg4 45.Kc2 Kf3 46.Kd1 Rd8+ 47.Ke1 
Ra8 48.Rh3+ Ke4 49.Rh7 Ra1+ 50.Ke2 Ra2+ 51.Kd1 Kd4 52.Rd7+ Kxc4 53.f6 Rf2 
54.f7 Kc5 55.Ke1 Kb6 56.Rd6+ Kb5 57.Rd7 Kc5 58.Kd1 Kc6 59.Rd3 Rxf7 60.Ke2 
Re7 61.Rxe3 1/2-1/2

Namesake

• BugChess by Erik van het Hof and Hermen Reitsma

Forum Posts

• BugChess 2 bug by Gábor Szots, Winboard Forum, July 26, 2007
• BugChess2 1.5.2 is out ! by François Karr, CCC, October 15, 2007
• BugChess2 1.6.3 is out ! by François Karr, CCC, November 04, 2008
• BugChess2 1.6.4 released ! by François Karr, CCC, November 05, 2009
• BugChess2 1.9 available (SMP) by François Karr, CCC, April 29, 2011
• SWCR: BugChess2 1.9 x64 test finished, +42 ELO by Frank Quisinsky, CCC, June 10, 2011

External Links

• BugChess2 from WBEC Ridderkerk
• BugChess2 1.5.2 in KCEC
• BugChess2 1.9 64-bit 4CPU in CCRL 40/4
• BugChess2 1.9 64-bit in CCRL 40/40

References

1. ^ CSVNP8 supplement site 1999
2. ^ Re: Programming language by Dann Corbit, Winboard Forum, September 04, 2001
3. ^ Septober - Computerschach by Herbert Marquardt
4. ^ BugChess2 from WBEC Ridderkerk
5. ^ 2008 Second Annual ACCA World Computer Chess Championships - Results - PGN download

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