Quest

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Quest, a chess engine by Frans Morsch which evolved from Nona to became the code base for various commercial programs and dedicated computers, most notably the famous ChessBase engine Fritz in 1991, and the TASC engine Chessica in 1995, after Fritz sensationally won the WCCC 1995. The 6502 version of Quest was further commercialized as 8 bit Sphinx by Newcrest Technology, and was also ported to the H8 processor, as used in many dedicated units of various manufacturers in the early 90s, such as the Saitek Brute Force and GK 2100. Later, Quest was often used as experimental version of Fritz in tournaments. Quest was the strongest chess program at Aegon 1996. It won the DOCCC 1988, DOCCC 1994, and the DOCCC 1999, while during the DOCCC 2001 there was an attempt of an name change from Fritz to Quest.

=Null Move= Frans Morsch, as well as other Dutch computer chess programmers like Bart Weststrate and Dap Hartmann, did early experiments with recursive null move pruning in the late 80s, likely after it was discussed at the panel workshop during the WCCC 1986 after Don Beal's talk covering null move. Frans Morsch told Chrilly Donninger about recursive null move, who popularized it by his Null Move and Deep Search paper in the ICCA Journal 1993.

=Selected Games= DOCCC 1988, round 03, Quest - Rebel [Event "DOCCC 1988"] [Site "Leiden NED"] [Date "1988.10.??"] [Round "03"] [White "Quest"] [Black "Rebel"] [Result "1-0"]

1.d4 Nf6 2.Bf4 d5 3.Nf3 Nbd7 4.h3 c5 5.e3 Qb6 6.b3 Nh5 7.Bh2 cxd4 8.Nxd4 Nhf6 9.Bb5 a6 10.Bxd7+ Bxd7 11.O-O e6 12.c4 dxc4 13.bxc4 Rc8 14.Nd2 Bb4 15.a3 Bxd2 16.Qxd2 Rxc4 17.Rfb1 Qa7 18.Be5 b5 19.a4 Ne4 20.Qb2 f6 21.axb5 fxe5 22.Nf3 O-O 23.bxa6 Ra4 24.Rxa4 Bxa4 25.Qxe5 Nc5 26.Ng5 Bd7 27.Qd4 Ra8 28.Rc1 Rc8 29.Ne4 e5 30.Qd5+ Ne6 31.Rb1 Rc7 32.Rb7 Qa8 33.Ng5 Qc8 34.Rxc7 Qxc7 35.Nxe6 Bxe6 36.Qxe6+ Kf8 37.Kf1 h6 38.Ke2 h5 39.Kf3 h4 40.Kg4 Qd8 41.Kf5 Qb8 42.Qxe5 Qb1+ 43.Kg5 Qb6 44.Qf4+ Kg8 45.Qc4+ Kh8 46.Kxh4 Qd8+ 47.Kg4 Qd7+ 48.Kf3 Qd1+ 49.Ke4 Qd7 50.Kf4 Qd6+ 51.Kf5 Kh7 52.Qe6 Qf8+ 53.Kg5 Qd8+ 54.Kg4 Qa8 55.e4 Kh8 56.f4 Qd8 57.a7 Qa8 58.Qb6 Kh7 59.Kf3 Kg8 60.Qb8+ 1-0 Game and short analyze on Lichess.org :

=See also=
 * Chessica
 * CXG Sphinx
 * Fritz
 * GK 2100
 * Nona
 * Saitek Brute Force

=Forum Posts=
 * Re: Fritz vs Mchess pro by Chris Whittington, rgcc, May 21, 1996
 * Killer Books by Andreas Mader, rgcc, October 29, 1996, post 8 by Tord Kallqvist Romstad, November 05, 1996
 * Quest by Jouni Uski, CCC, August 14, 2001
 * Quest??? Identical to Fritz? by Robert Henry Durrett, CCC, June 21, 2002
 * Fritz or Quest ? by Anatoli, CCC, July 12, 2002

=External Links=

Chess Engine

 * Fritz' ICGA Tournaments (includes Quest)

Misc

 * Quest (disambiguation) from Wikipedia
 * Quest from Wikipedia
 * Quest - Softly, as in a Morning Sunrise, Quest 1981, YouTube Video
 * Dave Liebman, Richie Beirach, George Mraz, Al Foster

=References=

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