ACM 1980

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The ACM's Eleventh North American Computer Chess Championship (NACCC) was held from October 26 to 28, 1980 at the Opryland Hotel, Nashville, Tennessee, adjacent to the famous Grand Ole Opry.

=Final Standing=
 * CC Country Codes
 * SOS: Sum of Opponent Scores
 * SoDOS: Sum of Defeated Opponent Scores

=Participants= =Photos & Games=

Round 2
Cray Blitz vs. Belle, Robert Hyatt in the back and confident Ken Thompson. [Event "ACM 1980"] [Site "Nashville USA"] [Date "1980.10.26"] [Round "2"] [White "Cray Blitz"] [Black "Belle"] [Result "0-1"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Na5 6.Bb5+ c6 7.dxc6 bxc6 8.Be2 h6 9.Nf3 e4 10.Ne5 Bd6 11.f4 exf3 12.Nxf3 O-O 13.O-O Qc7 14.d4 c5 15.Nc3 a6 16.dxc5 Bxc5+ 17.Kh1 Bb7 18.Qe1 Rae8 19.Qh4 Ne4 20.Bf4 Qc6 21.Nxe4 Qxe4 22.Bd3 Qe6 23.Qh5 Qb6 24.Qf5 g6 25.Qh3 h5 26.Bh6 Qxb2 27.Bxf8 Bxf8 28.Qd7 Re7 29.Qa4 Qc3 30.Qf4 Bd5 31.Bxa6 Qxc2 32.Rfc1 Qb2 33.Qd2 Qxd2 34.Nxd2 Bg7 35.Rab1 Bxa2 36.Rb6 Re6 37.Rb8+ Kh7 38.Bf1 Bh6 39.Rb2 Bxd2 40.Rxd2 Nb3 41.Rxa2 Nxc1 42.Rd2 Kg7 43.g3 Nb3 44.Rd5 Rc6 45.Kg2 Rc2+ 46.Kh3 Kf6 47.Rd6+ Ke5 48.Rd8 Nd4 49.Bd3 Rf2 50.Rc8 g5 51.Rh8 Nf3 52.Rxh5 f5 53.Bxf5 Kxf5 54.g4+ Kf4 55.Rh6 Rxh2# 0-1

Round 3
Clash vs. Ostrich 81, Chris Peters and Monty Newborn chat, while Ostrich ponders 6... e6 Tournament Director David Levy scans the other games [Event "ACM 1980"] [Site "Nashville USA"] [Date "1980.10.27"] [Round "3"] [White "Clash"] [Black "Ostrich 81"] [Result "0-1"]

1.e4 d5 2.Nc3 Nf6 3.Nxd5 Nxe4 4.Nc3 Nxc3 5.dxc3 Qxd1+ 6.Kxd1 Bf5 7.Bd3 e6 8.Bf4 Bc5 9.Ke2 Bxd3+ 10.cxd3 Na6 11.Be5 O-O 12.b4 f6 13.bxc5 fxe5 14.d4 exd4 15.cxd4 e5 16.dxe5 Nxc5 17.Rd1 Ne4 18.Nf3 Nc3+ 19.Ke3 Nxd1+ 20.Rxd1 c5 21.Rd7 b6 22.e6 Rae8 23.e7 Rf7 24.Rxa7 Rexe7+ 25.Rxe7 Rxe7+ 26.Kd3 Ra7 27.h3 Rxa2 28.Ke3 c4 29.g4 b5 30.Ne5 Ra3+ 31.Ke4 Rxh3 32.f3 c3 33.Kd4 c2 34.Nd3 Rxf3 35.Ne1 Rf4+ 36.Ke5 c1=Q 37.Nd3 Qe3+ 38.Kd6 Qxd3+ 39.Kc6 Rxg4 40.Kc7 Rg6 41.Kb8 Qd8+ 42.Kb7 Rb6+ 43.Ka7 Qb8# 0-1

Round 4
Kathe Spracklen and Ken Thompson operating their programs, Ron Nelson and others watching. In Chess Challenger X versus Belle, with 48.a4, having delayed mate as long as possible, Challenger finally ran out of checks, but then a bug appeared in Belle ... [Event "ACM 1980"] [Site "Nashville USA"] [Date "1980.10.28"] [Round "4"] [White "Chess Challenger X"] [Black "Belle"] [Result "0-1"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Bc5 10.Be3 Bxe3 11.fxe3 Rb8 12.Nbd2 Nc5 13.Qe1 Nd3 14.Qg3 O-O 15.Rab1 Qe7 16.Bc2 Qc5 17.Ng5 Ncxe5 18.Nxh7 Rfd8 19.Nf6+ Kf8 20.Bxd3 Nxd3 21.Nh5 g6 22.Nf6 Bf5 23.Qg5 b4 24.Nh7+ Ke8 25.Nf6+ Kf8 26.Nb3 Qc4 27.Nh7+ Ke8 28.cxb4 Rxb4 29.Nf6+ Kf8 30.Ng4 Rd6 31.Nh6 Qe4 32.Rxf5 gxf5 33.Qg8+ Ke7 34.Qxf7+ Kd8 35.Nxf5 Rc6 36.h4 Rc2 37.Qf8+ Kd7 38.Qf7+ Kc8 39.Qg6 Kb7 40.Na5+ Ka8 41.Qxa6+ Kb8 42.Qg6 Ne5 43.Qg8+ Ka7 44.Rf1 Rbxb2 45.Kh1 Rxg2 46.Nc6+ Nxc6 47.Qa8+ Kxa8 48.a4 Kb8 49.a5 Ka8 50.a6 Ka7 51.h5 Kb6 52.a7 Rg1+ 53.Kxg1 Qg2# 0-1

Game and short analyze on Lichess.org :

=See also=
 * Boris X Controversy
 * WMCCC 1980
 * WCCC 1980

=Tournament Director=
 * David Levy

=Publications=
 * The Eleventh ACM's North American Computer Chess Championship, pdf from The Computer History Museum
 * Ben Mittman (1980). The Eleventh ACM's North American Computer Chess Championship. ICCA Newletter, Vol. 3, No. 3
 * The Twelfth ACM's North American Computer Chess Championship, pdf from The Computer History Museum (covers ACM 1980)
 * Evan Katz (1981). The Eleventh North American Computer Chess Championship. Personal Computing, Vol. 5, No. 2, pp. 87
 * Evan Katz (1981). The Eleventh North American Computer Chess Championship - Part II. Personal Computing, Vol. 5, No. 3, pp. 71

=External Links=
 * ACM 1980 CSVN site


 * The Grand Ole Opry on Radio Luxembourg 1980, YouTube Video
 * Audio from the historic first satellite broadcast of the WSM Grand Ole Opry

=References=

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