ACM 1989

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Reno Convention Center [1]

ACM's Twentieth North American Computer Chess Championship (NACCC), Reno, Nevada, USA, November 12-15, 1989. The tournament was held in conjunction with the ACM/IEEE Supercomputing Conference in the Reno Convention Center. For the final winner, see the controversial discussion between Hans Berliner and Feng-hsiung Hsu at [2].

Final Standing

[3] [4].

# Name CC 1 2 3 4 5 P SOS SoDOS
1 HiTech US 9b1 6w1 2w0 4b1 5b1 4 13½
2 Deep Thought US 7b1 8w1 1b1 5w1 3b0 4 12½
3 Mephisto X GB 10w½ 5b0 6b1 7w½ 2w1 3 12 8
4 Bebe US 8b0 9w1 7b1 1w0 10b1 3 10
5 Rebel NL 6b½ 3w1 8b1 2b0 1w0 15
6 Cray Blitz US 5w½ 1b0 3w0 9b1 7w1 12½
7 Phoenix CA 2w0 10b1 4w0 3b½ 6b0 14 3
8 BP US 4w1 2b0 5w0 10b½ 9w0 12½
9 Novag US 1w0 4b0 10w½ 6w0 8b1 12½
10 Zarkov US 3b½ 7w0 9b½ 8w½ 4w0 10½ 3



Program CC Team Hardware Language
Bebe US Tony Scherzer, Linda Scherzer SYS-10 bit slice hardware Assembly
BP US Robert Cullum Compaq 386/20 C, Assembly
Cray Blitz US Robert Hyatt, Albert Gower, Harry Nelson Cray X-MP 48 Fortran, C, Assembly
Deep Thought US Thomas Anantharaman, Mike Browne,
Murray Campbell, Feng-hsiung Hsu,
Andreas Nowatzyk
6 special processors
C, Microcode
HiTech US Carl Ebeling, Hans Berliner, Gordon Goetsch,
Murray Campbell, Andy Gruss, Andy Palay
special purpose hardware
Mephisto X GB Richard Lang, Ossi Weiner 68030 Assembly
Novag US David Kittinger 6502 bit sliced micro Assembly
Phoenix CA Jonathan Schaeffer 5-7 Sun-4 C
Rebel NL Ed Schröder, Jan Louwman 6502 bit sliced micro Assembly
Zarkov US John Stanback HP 9000/835 C

Photos & Games

Deep Preparation

In round 3, HiTech versus Deep Thought, Hans Berliner had prepared an opening, following a game of Kasparov versus Deep Thought played shortly before [6] [7]:

[Event "Kasparov vs Deep Thought 1989"]
[Site "New York"]
[Date "1989.10.22"]
[Round "2"]
[Result "1-0"]
[White "Garry Kasparov"]
[Black "Deep Thought"]

1.d4 d5 2.c4 dxc4 3.e4 Nc6 4.Nf3 Bg4 5.d5 Ne5 6.Nc3 c6 7.Bf4
Ng6 8.Be3 cxd5 9.exd5 Ne5 10.Qd4 Nxf3+ 11.gxf3 Bxf3 12.Bxc4
Qd6 13.Nb5 Qf6 14.Qc5 Qb6 15.Qa3 e6 16.Nc7+ Qxc7 17.Bb5+ Qc6
18.Bxc6+ bxc6 19.Bc5 Bxc5 20.Qxf3 Bb4+ 21.Ke2 cxd5 22.Qg4 Be7
23.Rhc1 Kf8 24.Rc7 Bd6 25.Rb7 Nf6 26.Qa4 a5 27.Rc1 h6 28.Rc6
Ne8 29.b4 Bxh2 30.bxa5 Kg8 31.Qb4 Bd6 32.Rxd6 Nxd6 33.Rb8+
Rxb8 34.Qxb8+ Kh7 35.Qxd6 Rc8 36.a4 Rc4 37.Qd7 1-0

In the actual game, Deep Thought improved with 6... Nf6, but later played the weak 13... f6. However, instead of 14. Be6!, HiTech, made a terrible mistake, it starts to use its own head [8]

[Event "ACM 1989"]
[Site "Reno USA"]
[Date "1989.11.13"]
[Round "3"]
[White "HiTech"]
[Black "Deep Thought"]
[Result "0-1"]

1.d4 d5 2.c4 dxc4 3.e4 Nc6 4.Nf3 Bg4 5.d5 Ne5 6.Nc3 Nf6 7.Bf4 Nfd7
8.Qa4 Nxf3+ 9.gxf3 Bxf3 10.Rg1 a6 11.Qxc4 Rc8 12.Rg3 Bh5 13.Bh3 f6?
14.Qb4? g5 15.Be3 b5 16.Qd4? c5 17.dxc6 Rxc6 18.Rxg5 fxg5 19.Qxh8 Nf6
20.Bf1 Qa5 21.Bd4 Qb4 22.Bxf6 Rxf6 23.Rd1 Bxd1 24.a3 Qxb2 25.Nxd1 Qxa3
26.Qxh7 Qa5+ 27.Ke2 Rd6 28.Qh5+ Kd8 29.Qxg5 Bh6 30.Qg8+ Kc7 0-1

Round 5 Surprise

5-3.Campbell Hsu Berliner.ACM 20 NACCC.Reno.1989.102645329.NEWBORN.lg.jpg

Hans Berliner (rear), Murray Campbell and Feng-hsiung Hsu, ACM '89 [9] [10]

[Event "ACM 1989"]
[Site "Reno USA"]
[Date "1989.11.14"]
[Round "5"]
[White "Mephisto X"]
[Black "Deep Thought"]
[Result "1-0"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3 Nbd7 8.g4 Bg6 9.Nh4 Be4 
10.Nxe4 Nxe4 11.Nf3 Nd6 12.Bb3 Qe7 13.Bd2 h5 14.Rg1 hxg4 15.hxg4 O-O-O 16.Ba5 b6 
17.Bb4 a5 18.Bxd6 Qxd6 19.Qc2 Be7 20.O-O-O Rh3 21.Nd2 c6 22.Rh1 Rdh8 23.Rxh3 Rxh3 
24.Ne4 Qc7 25.Kb1 g5 26.Rc1 Kb7 27.Ba4 Nb8 28.Nd2 Qd7 29.Bb3 Na6 30.Qe4 Nb4 31.a3 Nd5 
32.Qg2 Rh8 33.Ne4 f6 34.Qg3 Rg8 35.Rh1 f5 36.gxf5 exf5 37.Qh3 Rf8 38.Nd2 Bf6 39.Qh7 Rf7 
40.Qh6 Qe6 41.Qg6 Rg7 42.Rh7 Rxh7 43.Qxh7+ Be7 44.Kc1 Kc7 45.Nf3 Kd8 46.Ne5 g4 47.Qh8+
Kc7 48.Kd2 Kb7 49.Nxc6 Qxc6 50.Qe5 Nc7 51.Qxe7 Qg2 52.Qh4 f4 53.exf4 Qe4 54.Qxg4 Qxd4+ 
55.Kc1 Qxf2 56.Qf5 Qf3 57.Kc2 Kc6 58.Qe5 Nd5 59.Qe6+ Kc5 60.Bxd5 Qxd5 61.Qxd5+ Kxd5 
62.Kd3 a4 63.Kc3 Kc5 64.f5 1-0

4-3 3-1.Richard Lang ACM 20 NACCC Reno 1989.102645339.NEWBORN.lg.jpg

Richard Lang playing Mephisto X aka Mephisto Portorose at ACM '89 [11]

4-2.Mephisto machine.ACM 20 NACCC.Reno.1989-2.102645422.NEWBORN.lg.jpg
8/2k1b2Q/1pp1q3/p2n1pp1/3P4/PB2P3/1P1N1P2/2K5 w - - 3 45 [12] 

Tournament Director

See also


Ken Thompson (1989). Results and Games. ICCA Journal, Vol. 12, No. 4
Larry Evans (1989). The Key Game. ICCA Journal, Vol. 12, No. 4
Ben Mittman (1989). Deep Preparation. ICCA Journal, Vol. 12, No. 4

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