WCCC 1983

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The Fourth World Computer Chess Championship took place from October 22 to 25, 1983, in the Royal Ballroom A in the Sheraton Center Hotel, New York, USA, under the auspices of the ACM, it was simultaneously the 14th ACM North American Computer Chess Championship. It was a five round Swiss tournament with 22 participants. Cray Blitz was the sole winner with 4½ out of 5.

=Final Standing= 4th World Computer Chess Championship 1983, New York US :
 * CC Country Codes
 * SOS: Sum of Opponent Scores
 * SoDOS: Sum of Defeated Opponent Scores

=Participants= 4th World Computer Chess Championship 1983, New York US
 * CC Country Codes

=Photos=

Beal Thompson Newborn Botvinnik
Don Beal, Ken Thompson, Monroe Newborn, and Mikhail Botvinnik

Spracklens
Frederic Friedel (?) with Kathe Spracklen and Dan Spracklen

=Photos & Games=

Cray Blitz - BCP
Harry Nelson, Robert Hyatt and Don Beal, Cray Blitz vs BCP [Event WCCC 1983"] [Site "New York, USA"] [Date "1983.10.22"] [Round "1"] [White "Cray Blitz"] [Black "BCP"] [Result "1-0"]

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Nxd5 exd5 6.d4 Nc6 7.dxc5 Bxc5 8.Qxd5 Qb6 9.Qd2 O-O 10.Bc4 Re8 11.O-O Nxe5 12.Nxe5 Rxe5 13.Qf4 Qf6 14.Qxf6 gxf6 15.Kh1 d5 16.f4 Rh5 17.Be2 Rh4 18.Bf3 d4 19.g3 Rh3 20.f5 Kg7 21.Kg2 Rh6 22.Bxh6+ Kxh6 23.Bd5 Kg7 24.Rad1 a5 25.Kh1 Ra6 26.Be4 b5 27.Rfe1 Bd7 28.Rd2 Bc6 29.Bxc6 Rxc6 30.Re8 Bb6 31.Rb8 b4 32.Rb7 Kf8 33.Re2 Bc7 34.g4 Rc5 35.Ra7 Bb6 36.Ra6 Rc6 37.Rd2 Rd6 38.Rd3 Kg7 39.c3 Kg8 40.a4 Kg7 41.cxb4 axb4 42.a5 Bc5 43.Rxd6 Bxd6 44.Rxd4 Bc5 45.Rd5 Be3 46.Rd3 Bc5 47.Rd7 Be3 48.a6 h5 49.gxh5 Kf8 50.Rd3 Bc5 51.Rg3 Ke8 52.h6 Bd6 53.a7 Ke7 54.Rd3 Bc7 55.a8=Q Bd6 56.h7 b3 57.Qb7+ Ke8 58.h8=Q+ Bf8 59.Qe4# 1-0 Game and short analyze on Lichess.org :

Nuchess - Belle
Ken Thompson, Frederic Friedel, Joe Condon, David Slate, and William Blanchard [Event "WCCC 1983"] [Site "New York, USA"] [Date "1983.10.23"] [Round "3"] [White "Nuchess"] [Black "Belle"] [Result "1-0"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 exd4 6.O-O Be7 7.e5 Ne4 8.Nxd4 O-O 9.Nf5 d5 10.exd6 Bxf5 11.dxe7 Nxe7 12.Be3 Nd5 13.Qf3 Nxe3 14.fxe3 Bg6 15.Qf4 b5 16.Bb3 c5 17.c4 Qf6 18.Qxf6 Nxf6 19.Rc1 b4 20.Nd2 Rfe8 21.Re1 Rad8 22.Nf1 Bd3 23.Rad1 Ng4 24.Ba4 Rf8 25.Nd2 Ne5 26.Bb3 Rd6 27.Nf3 Nxf3+ 28.gxf3 f5 29.Rd2 Re8 30.Kf2 f4 31.exf4 Rxe1 32.Kxe1 Rd4 33.Kf2 Kf7 34.Ke3 Bxc4 35.Rxd4 cxd4+ 36.Kxd4 Bxb3 37.axb3 Kf6 38.Ke4 g6 39.h4 Ke6 40.f5+ gxf5+ 41.Kd4 Kd6 42.f4 Ke6 43.Kc5 a5 44.h5 Kf7 45.Kd5 Kf6 46.Kd6 Kf7 47.Ke5 Ke8 48.Kxf5 1-0 Game and short analyze on Lichess.org :

=The New Champion=

Chess Life
Chess Life February 1984 Ken Thompson, Joe Condon, Robert Hyatt, and Albert Gower

Cartoons
Cartoons by Jeff Ragsdale from the ICCA Journal 1987, 1988 and 1989 reprinted in King Moves - Welcome to the 1989 AGT World Computer Chess Championship.

=Publications=
 * The Fourth World Computer Chess Championship (labeled 22nd ACM), pdf from The Computer History Museum, pdf from Danny Kopec
 * The Fifteenth ACM Computer Chess Championship, San Francisco California, October 7-9, 1984, pdf from The Computer History Museum, covers WCCC 1983
 * Ken Thompson (1983). 4th World Computer Chess Championship. ICCA Journal, Vol. 6, No. 4
 * Harold Bogner (1984). The New Champion. Chess Life February 1984, pdf from The Computer History Museum
 * Tony Harrington (1984). Blitz on New York - Report of WCCC 1983. Personal Computer World, February 1984
 * Danny Kopec (1984). Report from New York - The 4th World Computer Chess Championship. Computer Chess Digest Annual 1984
 * David E. Welsh, Boris Baczynskyj (1985). Computer Chess II. William C Brown Pub, amazon.com

=Forum Posts=
 * hardware of Cray Blitz by Leonid, CCC, June 13, 1999
 * An interesting book with some insights on Bob's Cray Blitz by Julien Marcel, CCC, June 23, 2011
 * 1983 ACM World Chess Championship - Final Round by Michael B, CCC, October 25, 2016

=External Links=
 * 4th World Computer Chess Championship from the ICGA Tournament Database
 * The wrong bishop – part two by Frederic Friedel, ChessBase News, May 22, 2016 » Cray Blitz, Mikhail Botvinnik, Wrong Color Bishop and Rook Pawn
 * Cray-1 – the eight million dollar super-computer by Frederic Friedel, ChessBase News, September 23, 2016 » Cray-1, Cray Blitz
 * Nina Hagen - New York / N.Y., YouTube Video

=References=

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