Matador

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Matador, a family of private chess engines by Stefan Knappe. Matador played six IPCCCs, and had its debut in 2000 where it upset IsiChess in the Semi-Slav Botvinnik Variation, further the BELCT 2001 as Lokalmatador, and the CCT6 and CCT7 online tournaments.

=Versions= The first version, Matator I, developed in 1996, was written in Visual Basic 5.0, had an own GUI, used a 10x12 Board, performing PVS with transposition table, null move pruning, quiescence search, and some kind of check extensions. Matador II in 1998 was written in C and compliant with the Chess Engine Communication Protocol. In 2002, Matador III was a major rewrite using bitboards as board representation, and supported UCI, while Matador IV started to play chess in 2004 .

=Screenshot= Chess System Matador IV

=Games= IPCCC 2000, round 2, Matador - IsiChess [Event "IPCCC 2000"] [Site "Paderborn GER"] [Date "2000.02.10"] [Round "02"] [White "Matador"] [Black "IsiChess"] [Result "1-0"]

1.d4 d5 2.Nf3 Nf6 3.c4 c6 4.Nc3 e6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 hxg5 10.Bxg5 Nbd7 11.Qf3 Bb7 12.exf6 Qb6 13.O-O-O c5 14.d5 b4 15.Na4 Qa5 16.Qe3 O-O-O 17.dxe6 fxe6 18.b3 cxb3 19.axb3 c4 20.Bxc4 Rh5 21.f4 Bxg2 22.Rhe1 Bd5 23.Bxd5 exd5 24.f7 Qa6 25.Bxd8 Kxd8 26.Qe8+ Kc7 27.Rd2 Rh6 28.f5 Qb5 29.Qa8 Rc6+ 30.Kb1 Qb8 31.Qxb8+ Nxb8 32.Re8 Nd7 33.Rxd5 Rf6 34.Ra5 Kb7 35.Rd5 Kc7 36.Ra8 Rxf7 37.Rxa7+ Kc6 38.Rd1 Ne5 39.Rxf7 Nxf7 40.Rd4 Bd6 41.h4 Nh6 42.f6 Be5 43.Rxb4 Nf7 44.Rb6+ Kd5 45.Ra6 Bd4 46.Kc2 Ke4 47.Nc3+ 1-0

=Forum Posts=
 * Testposition of Matador-Alarm CCT6 by Stefan Knappe, CCC, February 03, 2004 » CCT6
 * wacnew.epd & single search improvements (extensions) by Stefan Knappe, Winboard Forum, June 19, 2003 » Win at Chess
 * To Stefan Knappe by Rahman Paidar, Winboard Forum, June 21, 2003 » Futility Pruning
 * Polyglot & log-file by Stefan Knappe, Winboard Forum, February 10, 2005

=External Links=

Chess Engine

 * Schachprogramm | Homepage Stefan Knappe
 * Schach | Homepage Stefan Knappe (Wayback Machine, August 10, 2009)

Misc

 * Matador (disambiguation) from Wikipedia
 * Matador (Torero) from Wikipedia
 * Matador (Marvel Comics) from Wikipedia
 * The Matadors - It's All Over Now, Baby Blue (1968), YouTube Video

=References= Up one Level