ACM+1984

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 * [[image:320px-Hilton_San_Francisco_and_Towers.jpg link="http://commons.wikimedia.org/wiki/File:Hilton_San_Francisco_and_Towers.jpg"]] ||~  || The ACM's **Fifteenth North American Computer Chess Championship** (NACCC) took place from October 7-9, 1984 at the Imperial Ballroom of the [|Hilton San Francisco and Tower Hotel], [|San Francisco], [|California], USA. ||
 * Hilton and Towers Hotel ||~  ||^   ||
 * ~ # ||~ Program ||~ CC ||~ 1 ||~ 2 ||~ 3 ||~ 4 ||~ P ||~ SOS ||~ SoDOS ||
 * ~ 1 || Cray Blitz ||~ US ||= 3w1 ||= 4b1 ||= 2w1 ||= 6b1 ||~ 4 ||= 11 ||= 11 ||
 * ~ 2 || Bebe ||~ US ||= 12b1 ||= 10w1 ||= 1b0 ||= 8w1 ||~ 3 ||= 8½ ||= 4½ ||
 * ~ 3 || Fidelity X ||~ US ||= 1b0 ||= 11w1 ||= 9b1 ||= 10w1 ||~ 3 ||= 8½ ||= 4½ ||
 * ~ 4 || CHAOS ||~ US ||= 11b1 ||= 1w0 ||= 13b1 ||= 7w1 ||~ 3 ||= 8 ||= 4 ||
 * ~ 5 || Belle ||~ US ||= 7b½ ||= 6w0 ||= 12b1 ||= 13w1 ||~ 2½ ||= 6 ||= 3 ||
 * ~ 6 || Nuchess ||~ US ||= 8w½ ||= 5b1 ||= 7w½ ||= 1w0 ||~ 2 ||= 10½ ||= 4½ ||
 * ~ 7 || Phoenix ||~ CA ||= 5w½ ||= 9w1 ||= 6b½ ||= 4b0 ||~ 2 ||= 9½ ||= 4¼ ||
 * ~ 8 || Novag X ||~ US ||= 6b½ ||= 12w1 ||= 10b½ ||= 2b0 ||~ 2 ||= 7½ ||= 2¾ ||
 * ~ 9 || Intelligent Chess Software ||~ GB ||= 13b1 ||= 7b0 ||= 3w0 ||= 11w1 ||~ 2 ||= 7 ||= 2 ||
 * ~ 10 || Schach 2.7 ||~ DE ||= 14w1 ||= 2b0 ||= 8w½ ||= 3b0 ||~ 1½ ||= 8 ||= 1 ||
 * ~ 11 || Ostrich ||~ CA ||= 4w0 ||= 3b0 ||= 14w1 ||= 9b0 ||~ 1 ||= 8 ||= 0 ||
 * ~ 12 || Awit ||~ CA ||= 2w0 ||= 8b0 ||= 5w0 ||= 14b1 ||~ 1 ||= 7½ ||= 0 ||
 * ~ 13 || Merlin ||~ AT ||= 9w0 ||= 14b1 ||= 4w0 ||= 5b0 ||~ 1 ||= 7½ ||= 0 ||
 * ~ 14 || Xenarbor ||~ US ||= 10b0 ||= 13w0 ||= 11b0 ||= 12w0 ||~ 0 ||= 4½ ||= 0 ||
 * [|CC Country Codes]
 * SOS: [|Sum of Opponent Scores]
 * SoDOS: [|Sum of Defeated Opponent Scores]

=Participants= Jack O’Keefe, Victor Berman || Amdahl 5860 || Fortran || Harry Nelson || Cray X-MP4 || Fortran, CAL || Boris Baczynskyj || 6502 system || Assembly || David Levy, Kevin O’Connell || 6502 Apple IIe || Assembly || Helmut Horacek || CDC Cyber 176 || Pascal || 1 x Eclipse, 6 x Nova 4, 1 x Nova 3 || Assembly ||  =Photos & Games= code [Event "15th ACM 1984"] [Site "San Francisco USA"] [Date "1984.10.09"] [Round "4"] [White "Bebe"] [Black "Novag X"] [Result "1-0"]
 * ~ Program ||~ CC ||~ Team ||~ Hardware ||~ Language ||
 * Awit ||~ CA || Tony Marsland || Amdahl 5860/2 || Algol W ||
 * Bebe ||~ US || Tony Scherzer || [|Bit slice] chess hardware || Assembly ||
 * Belle ||~ US || Ken Thompson, Joe Condon || PDP-11/23 + special hardware || C ||
 * CHAOS ||~ US || Mike Alexander, Fred Swartz,
 * Cray Blitz ||~ US || Robert Hyatt, Albert Gower,
 * Fidelity X ||~ US || Dan Spracklen, Kathe Spracklen,
 * Intelligent Chess Software ||~ GB || Mark Taylor, Richard Lang,
 * Merlin ||~ AT || Hermann Kaindl, Marcus Wagner,
 * Novag X ||~ US || David Kittinger, Scott McDonald || 6502 system || Assembly ||
 * Nuchess ||~ US || David Slate, William Blanchard || Cray-1 || Fortran ||
 * Ostrich ||~ CA || Monroe Newborn || 8-[|DG] multiprocessing =
 * Phoenix ||~ CA || Jonathan Schaeffer || VAX 11/780 || C ||
 * Schach 2.7 ||~ DE || Matthias Engelbach || [|Burroughs 7800] || Algol ||
 * Xenarbor ||~ US || Donald Miller || [|IBM 3081] || Fortran ||
 * [|CC Country Codes]
 * [[image:ACM1984BebeNovag.JPG width="606" height="326"]] ||
 * Linda and Tony Scherzer, Bob Henry and David Kittinger, Bebe vs. Novag X ||

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.Ng5 d5 8.exd5 Nd4 9.d6 Nxb3 10.dxc7 Qxc7 11.axb3 h6 12.Nf3 e4 13.Re1 Be7 14.Nc3 exf3 15.Nxb5 Qc5 16.Qxf3 Qxb5 17.Qxa8 Qb7 18.Qxb7 Bxb7 19.d4 Kd7 20.c4 Bb4 21.Re2 Rd8 22.d5 Nxd5 23.cxd5 Bxd5 24.Rxa6 Bxb3 25.Re4 Bc5 26.Be3 Kc7 27.Ra1 Bd5 28.Bf4+ Kc6 29.Rea4 Be6 30.Be5 Rd2 31.Bxg7 Bxf2+ 32.Kh1 Bd5 33.Bc3 Rc2 34.Ra6+ Kc7 35.R6a5 Kc6 36.Ra6+ Kc7 37.R6a5 Kc6 38.Ra8 Bb6 39.Rg8 f5 40.Rg6+ Kb5 41.Rd1 Be4 42.Bd2 Rxb2 43.Bxh6 f4 44.Rg5+ Kc6 45.Rc1+ Kd6 46.Bg7 Rf2 47.Rd1+ Kc6 48.Be5 Be3 49.Rg4 Bc2 50.Ra1 Kd5 51.Bb8 f3 52.gxf3 Rxf3 53.Ra5+ Ke6 54.h4 Bf5 55.Rga4 Kf7 56.Kg2 Rf2+ 57.Kg3 Rf1 58.Bf4 Bf2+ 59.Kg2 Bd3 60.Rd5 Be2 61.Rd7+ Kg6 62.h5+ Kxh5 63.Rd2 Bb6 64.Rxe2 Rg1+ 65.Kh2 Rb1 66.Rg2 Rb5 67.Ra6 Rf5 68.Kg3 Rf6 1-0 code

=See also=
 * Book Issues in Cray Blitz vs. Fidelity X
 * Rule of the Square - Nuchess vs. Cray Blitz

=Tournament Director=
 * Mike Valvo

=Publications=
 * [|The Fifteenth ACM Computer Chess Championship, San Francisco California, October 7-9, 1984], [|pdf] from The Computer History Museum
 * [|Peggy Watt] (**1984**). //Mainframes checkmate Micros//. [|InfoWorld], November 5, 1984, pp. 18, [|google books]
 * Tony Marsland (**1984**). //ACM's Fifteenth North American Computer Chess Championship (NACCC)//. ICCA Journal, Vol. 7, No. 4
 * Danny Kopec, Monroe Newborn (**1985**). //ACM's Fifteenth North American Computer Chess Championship//. Communications of the ACM, Vol. 28, No. 7, reprinted in [|The Sixteenth ACM North American Computer Chess Championship, Denver Colorado, October 13-15, 1985], [|pdf] from The Computer History Museum
 * David Kittinger (**1985**). //15th North American Computer Chess Championship//. 1985 Computer Chess Digest Supplement
 * Boris Baczynskyj (**1985**). //The 15th ACM NACCC Anatomized//. ICCA Journal, Vol. 8, No. 3

=External Links= include page="ACM Include" =References= =What links here?= include component="backlinks" page="ACM 1984" limit="80"
 * [|ACM 1984] CSVN site
 * Up one level**