Sensory 9

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Sensory 9, (Fidelity Sensory Chess Challenger "9", SC9) a dedicated chess computer of the Sensory Chess Challenger series by Fidelity Electronics, released in 1982. The program was written in 6502 assembly by Dan and Kathe Spracklen, supported by Ron Nelson, peripheral programming, and FIDE master Boris Baczynskyj responsible for the opening book.

=Advertising= Sensory 9 advertising

=Commercial Champion= As available chess computer, the Sensory 9 competed with the East German Chess-Master at the WMCCC 1983 in Budapest for the prize of the best commercial entry, and despite becoming 12th, won it one point ahead. As reported by Frederic Friedel from the WMCCC, the newest version played on a 2 MHz processor with an improved program in 16 KiB of ROM, and contained some very interesting new algorithms. After a protest concerning the commercial title, Sidney Samole swore that the increase in speed and the new program were part of the current production run. The magnetic Sensory board had 64 square LEDs to indicate the moves.

=Selected Games=  WMCCC 1983, round 1, Super Constellation - Sensory 9 [Event "WMCCC 1983"] [Site "Budapest, Hungary"] [Date "1983.10.13"] [Round "1"] [White "Super Constellation"] [Black "Sensory 9"] [Result "1/2-1/2"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.a4 b6 9.Bd3 Nbd7 10.O-O Bb7 11.Kh1 Be7 12.h3 Nh5 13.Ne2 Nc5 14.fxe5 dxe5 15.a5 bxa5 16.Bd2 Nxe4 17.Bxe4 Bxe4 18.Bxa5 Qb7 19.Bc3 Rd8 20.Qe1 O-O 21.Bxe5 Bxc2 22.Rc1 Rc8 23.Ned4 Bd3 24.Rf2 Qe4 25.Qxe4 Rxc1+ 26.Qe1 Rfc8 27.Kh2 Rxe1 28.Nxe1 Bc4 29.Rc2 Rc5 30.Nef3 Bd5 31.Rxc5 Bxc5 32.g4 Nf6 33.Bxf6 gxf6 34.Kg3 Bd6+ 35.Kf2 Kf8 36.Ke3 Ke7 37.Nf5+ Ke6 38.Ne1 Be5 39.Nd3 Bg2 40.h4 Bf1 41.b3 a5 42.Nc5+ Kd5 43.Na4 Bb5 44.Ne7+ Ke6 45.Nf5 Bxa4 46.bxa4 Kd5 47.Nh6 Bg3 48.Nf5 Be1 49.Ke2 Bb4 50.Nh6 Ke6 51.Kf3 Bf8 52.Nf5 Ke5 53.Ne3 Kd4 54.Ke2 Ke4 55.Nc4 Kf4 56.Nxa5 Kxg4 57.Nb7 f5 58.a5 Bg7 59.a6 Bd4 60.Nd6 f4 61.Kd3 Bg1 62.Ke2 f5 63.Ne8 f3+ 64.Kf1 Bd4 65.Nf6+ Kxh4 66.Nxh7 Kg3 67.Nf6 f2 68.Nd5 1/2-1/2

=See also=
 * RCS Granit

=Manual=
 * Sensory Chess Challenger "9", Owner's Manual, Instruction Booklet. pdf

=Forum Posts=
 * Collector Corner. A question about Sensory 9 by Fernando Villegas, CCC, November 07, 2005
 * Sensory 9 / 9B questions by Monsieur Plastique, Hiarcs Forum, Decembr 05, 2009
 * Fidelity Sensory Chess Challenger "9" by Cubeman, Hiarcs Forum, June 06, 2010
 * Fidelity Sensory chess Challenger 9 sensory playing surface by BillT, Hiarcs Forum, May 26, 2015

=External Links=
 * Sensory's ICGA Tournaments
 * Fidelity Sensory Challenger 9 Electronic Chess Computer from The Spacious Mind
 * Sensory Chess Challenger "9" (Model SC9) by Ismenio Sousa
 * Fidelity Sensory Chess Challenger 9 from Schachcomputer.info Wiki (German)
 * Fidelity Chess Challenger Sensory 9 from Kurt´s Schachcomputer Homepage by Kurt Kispert (German)

=References=

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