25,161
edits
Changes
Created page with "'''Home * Tournaments * ACM North American Computer Chess Championship * ACM 1989''' '''< Prev Next >'..."
'''[[Main Page|Home]] * [[Tournaments and Matches|Tournaments]] * [[ACM North American Computer Chess Championship]] * ACM 1989'''
'''[[ACM 1988|< Prev]] [[ACM 1990|Next >]]'''
[[FILE:Reno Convention Center.jpg|border|right|thumb| Reno Convention Center <ref>Photo by [https://commons.wikimedia.org/wiki/User:Visitor7 Visitor7], October 06 2012, [https://en.wikipedia.org/wiki/Reno-Sparks_Convention_Center Reno-Sparks Convention Center from Wikipedia]</ref> ]]
[[ACM|ACM's]] '''Twentieth North American Computer Chess Championship''' (NACCC), [https://en.wikipedia.org/wiki/Reno%2C_Nevada Reno], [https://en.wikipedia.org/wiki/Nevada Nevada], USA, November 12-15, [[Timeline#1989|1989]]. The tournament was held in conjunction with the [[ACM]]/[[IEEE]] [https://en.wikipedia.org/wiki/ACM/IEEE_Supercomputing_Conference Supercomputing Conference] in the [https://en.wikipedia.org/wiki/Reno-Sparks_Convention_Center Reno Convention Center]. For the final winner, see the controversial discussion between [[Hans Berliner]] and [[Feng-hsiung Hsu]] at [[Computer Chess Forums|rec.games.chess]] <ref>[http://groups.google.com/group/rec.games.chess/browse_frm/thread/457406aed770f6be Aegon Tournament 1990; Hitech best overall] by [[Hans Berliner]], [[Computer Chess Forums|rec.games.chess]], May 25, 1990</ref>.
=Final Standing=
<ref>[[Ken Thompson]] ('''1989'''). ''Results and Games''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]</ref> <ref>[http://www.csvn.nl/index.php/historie/computer-computer/102-acm-1989 ACM 1989] [[CSVN]] site</ref>.
{| class="wikitable"
|-
! #
! Name
! CC
! 1
! 2
! 3
! 4
! 5
! P
! SOS
! SoDOS
|-
! 1
| style="text-align:left;" | [[HiTech]]
! US
| style="text-align:right;" | 9b1
| style="text-align:right;" | 6w1
| style="text-align:right;" | 2w0
| style="text-align:right;" | 4b1
| style="text-align:right;" | 5b1
! 4
| style="text-align:center;" | 13½
| style="text-align:center;" | 9½
|-
! 2
| style="text-align:left;" | [[Deep Thought]]
! US
| style="text-align:right;" | 7b1
| style="text-align:right;" | 8w1
| style="text-align:right;" | 1b1
| style="text-align:right;" | 5w1
| style="text-align:right;" | 3b0
! 4
| style="text-align:center;" | 12½
| style="text-align:center;" | 9½
|-
! 3
| style="text-align:left;" | [[Mephisto|Mephisto X]]
! GB
| style="text-align:right;" | 10w½
| style="text-align:right;" | 5b0
| style="text-align:right;" | 6b1
| style="text-align:right;" | 7w½
| style="text-align:right;" | 2w1
! 3
| style="text-align:center;" | 12
| style="text-align:center;" | 8
|-
! 4
| style="text-align:left;" | [[Bebe]]
! US
| style="text-align:right;" | 8b0
| style="text-align:right;" | 9w1
| style="text-align:right;" | 7b1
| style="text-align:right;" | 1w0
| style="text-align:right;" | 10b1
! 3
| style="text-align:center;" | 10
| style="text-align:center;" | 4½
|-
! 5
| style="text-align:left;" | [[Rebel]]
! NL
| style="text-align:right;" | 6b½
| style="text-align:right;" | 3w1
| style="text-align:right;" | 8b1
| style="text-align:right;" | 2b0
| style="text-align:right;" | 1w0
! 2½
| style="text-align:center;" | 15
| style="text-align:center;" | 5¾
|-
! 6
| style="text-align:left;" | [[Cray Blitz]]
! US
| style="text-align:right;" | 5w½
| style="text-align:right;" | 1b0
| style="text-align:right;" | 3w0
| style="text-align:right;" | 9b1
| style="text-align:right;" | 7w1
! 2½
| style="text-align:center;" | 12½
| style="text-align:center;" | 4¼
|-
! 7
| style="text-align:left;" | [[Phoenix]]
! CA
| style="text-align:right;" | 2w0
| style="text-align:right;" | 10b1
| style="text-align:right;" | 4w0
| style="text-align:right;" | 3b½
| style="text-align:right;" | 6b0
! 1½
| style="text-align:center;" | 14
| style="text-align:center;" | 3
|-
! 8
| style="text-align:left;" | [[BP]]
! US
| style="text-align:right;" | 4w1
| style="text-align:right;" | 2b0
| style="text-align:right;" | 5w0
| style="text-align:right;" | 10b½
| style="text-align:right;" | 9w0
! 1½
| style="text-align:center;" | 12½
| style="text-align:center;" | 3¾
|-
! 9
| style="text-align:left;" | [[Novag X|Novag]]
! US
| style="text-align:right;" | 1w0
| style="text-align:right;" | 4b0
| style="text-align:right;" | 10w½
| style="text-align:right;" | 6w0
| style="text-align:right;" | 8b1
! 1½
| style="text-align:center;" | 12½
| style="text-align:center;" | 2¼
|-
! 10
| style="text-align:left;" | [[Zarkov]]
! US
| style="text-align:right;" | 3b½
| style="text-align:right;" | 7w0
| style="text-align:right;" | 9b½
| style="text-align:right;" | 8w½
| style="text-align:right;" | 4w0
! 1½
| style="text-align:center;" | 10½
| style="text-align:center;" | 3
|}
* [https://en.wikipedia.org/wiki/ISO_3166-1 CC Country Codes]
* SOS: [https://en.wikipedia.org/wiki/Buchholz_system Sum of Opponent Scores]
* SoDOS: [https://en.wikipedia.org/wiki/Neustadtl_score Sum of Defeated Opponent Scores]
=Participants=
<ref>[http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6cb3a1 The Twentieth ACM North American Computer Chess Championship] from [[The Computer History Museum]], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1989_20th_NACCC/1989%20NACCC.062303064.sm.pdf pdf]</ref>
{| class="wikitable"
|-
! Program
! CC
! Team
! Hardware
! Language
|-
| style="text-align:left;" | [[Bebe]]
! US
| [[Tony Scherzer]], [[Linda Scherzer]]
| SYS-10 [https://en.wikipedia.org/wiki/Bit_slicing bit slice] hardware
| [[Assembly]]
|-
| style="text-align:left;" | [[BP]]
! US
| [[Robert Cullum]]
| [https://en.wikipedia.org/wiki/Compaq_Deskpro_386#Deskpro_386 Compaq] [[x86|386/20]]
| [[C]], [[Assembly]]
|-
| style="text-align:left;" | [[Cray Blitz]]
! US
| [[Robert Hyatt]], [[Albert Gower]], [[Harry Nelson]]
| [[Cray X-MP|Cray X-MP 48]]
| [[Fortran]], [[C]], [[Assembly]]
|-
| style="text-align:left;" | [[Deep Thought]]
! US
| [[Thomas Anantharaman]], [[Mike Browne]],<br/>[[Murray Campbell]], [[Feng-hsiung Hsu]],<br/>[[Andreas Nowatzyk]]
| [[Sun#4|Sun-4]]<br/>6 special processors
| [[C]], [https://en.wikipedia.org/wiki/Microcode Microcode]
|-
| style="text-align:left;" | [[HiTech]]
! US
| [[Carl Ebeling]], [[Hans Berliner]], [[Gordon Goetsch]],<br/>[[Murray Campbell]], [[Andy Gruss]], [[Andrew James Palay|Andy Palay]]
| [[Sun#4|Sun-4]]<br/>special purpose hardware
| [[Assembly]]
|-
| style="text-align:left;" | [[Mephisto|Mephisto X]]
! GB
| [[Richard Lang]], [[Ossi Weiner]]
| [[68030]]
| [[Assembly]]
|-
| style="text-align:left;" | [[Novag X|Novag]]
! US
| [[David Kittinger]]
| [[6502]] [https://en.wikipedia.org/wiki/Bit_slicing bit sliced] micro
| [[Assembly]]
|-
| style="text-align:left;" | [[Phoenix]]
! CA
| [[Jonathan Schaeffer]]
| 5-7 [[Sun#4|Sun-4]]
| [[C]]
|-
| style="text-align:left;" | [[Rebel]]
! NL
| [[Ed Schroder|Ed Schröder]], [[Jan Louwman]]
| [[6502]] [https://en.wikipedia.org/wiki/Bit_slicing bit sliced] micro
| [[Assembly]]
|-
| style="text-align:left;" | [[Zarkov]]
! US
| [[John Stanback]]
| [https://en.wikipedia.org/wiki/HP_9000 HP 9000/835]
| [[C]]
|}
* [https://en.wikipedia.org/wiki/ISO_3166-1 CC Country Codes]
=Photos & Games=
==Deep Preparation==
<span id="DeepPreparation"></span>In round 3, [[HiTech]] versus [[Deep Thought]], [[Hans Berliner]] had prepared an opening, following a game of [[Kasparov versus Deep Thought 1989|Kasparov versus Deep Thought]] played shortly before <ref>[[Ben Mittman]] ('''1989'''). ''Deep Preparation''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]], on [[Hans Berliner|Hans Berliner's]] opening preparation versus [[Deep Thought]], following a game of [[Kasparov versus Deep Thought 1989|Kasparov versus Deep Thought]]</ref> <ref>[http://www.chessgames.com/perl/chessgame?gid=1070452 Garry Kasparov vs Deep Thought (Computer) (1989)] from [http://www.chessgames.com/index.html chessgames.com]</ref>:
<pre>
[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
</pre>
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 <ref>[https://en.wikipedia.org/wiki/Larry_Evans Larry Evans] ('''1989'''). ''The Key Game''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]], pp. 244, annotated [[Hitech]] versus [[Deep Thought]] game</ref>
<pre>
[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
</pre>
==Round 5 Surprise==
[[FILE:5-3.Campbell_Hsu_Berliner.ACM_20_NACCC.Reno.1989.102645329.NEWBORN.lg.jpg|none|border|text-bottom|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd30c91]]
[[Hans Berliner]] (rear), [[Murray Campbell]] and [[Feng-hsiung Hsu]], ACM '89 <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd30c91 Hans Berliner (rear), Murray Campbell (front, left) and Feng-Hsiung Hsu at the 20th annual ACM Computer Chess Championship in Reno, Nevada] 1989, Gift of [[Monroe Newborn]], [[The Computer History Museum]]</ref>
<pre>
[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
</pre>
[[FILE:4-3_3-1.Richard_Lang_ACM_20_NACCC_Reno_1989.102645339.NEWBORN.lg.jpg|none|border|text-bottom|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd619d1]]
[[Richard Lang]] playing [[Mephisto|Mephisto X]] aka [[Mephisto Portorose]] at ACM '89 <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd619d1 Richard Lang at the 20th ACM North American Computer Chess Championship in Reno, Nevada], Gift of [[Monroe Newborn]], [[The Computer History Museum]]</ref>
[[FILE:4-2.Mephisto_machine.ACM_20_NACCC.Reno.1989-2.102645422.NEWBORN.lg.jpg|none|border|text-bottom|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-431f4cc190001]]
8/2k1b2Q/1pp1q3/p2n1pp1/3P4/PB2P3/1P1N1P2/2K5 w - - 3 45 <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-431f4cc190001 Mephisto X computer chess board at the 20th ACM North American Computer Chess Championship in Reno, Nevada], Gift of [[Monroe Newborn]], [[The Computer History Museum]]</ref>
=Tournament Director=
* [[David Levy]]
=See also=
* [[WCCC 1989]]
* [[Kasparov versus Deep Thought 1989]]
=Publications=
* [http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6cb3a1 The Twentieth ACM North American Computer Chess Championship] from [[The Computer History Museum]], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1989_20th_NACCC/1989%20NACCC.062303064.sm.pdf pdf]
* [[David Levy]] ('''1989'''). ''The 20th North American Computer-Chess Championship''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
: [[Ken Thompson]] ('''1989'''). ''Results and Games''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
: [https://en.wikipedia.org/wiki/Larry_Evans Larry Evans] ('''1989'''). ''The Key Game''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
: [[Ben Mittman]] ('''1989'''). ''Deep Preparation''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
* [[Monroe Newborn|Monty Newborn]] and [[Danny Kopec]] ('''1990'''). ''The Twentieth ACM North American Computer Chess Championship'', in [http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6cbb95 The 21st Annual ACM North American Computer Chess Championship] from [[The Computer History Museum]], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1990_21st_NACCC/1990%20NACCC.062303065.sm.pdf pdf]
=Forum Posts=
* [http://groups.google.com/group/rec.games.chess/browse_frm/thread/457406aed770f6be Aegon Tournament 1990; Hitech best overall] by [[Hans Berliner]], [[Computer Chess Forums|rgc]], May 25, 1990 » [[Aegon 1990]]
=External Links=
* [http://www.csvn.nl/index.php/historie/computer-computer/102-acm-1989 ACM 1989] [[CSVN]] site
{{ACM Include}}
=References=
<references />
'''[[ACM North American Computer Chess Championship|Up one level]]'''
'''[[ACM 1988|< Prev]] [[ACM 1990|Next >]]'''
[[FILE:Reno Convention Center.jpg|border|right|thumb| Reno Convention Center <ref>Photo by [https://commons.wikimedia.org/wiki/User:Visitor7 Visitor7], October 06 2012, [https://en.wikipedia.org/wiki/Reno-Sparks_Convention_Center Reno-Sparks Convention Center from Wikipedia]</ref> ]]
[[ACM|ACM's]] '''Twentieth North American Computer Chess Championship''' (NACCC), [https://en.wikipedia.org/wiki/Reno%2C_Nevada Reno], [https://en.wikipedia.org/wiki/Nevada Nevada], USA, November 12-15, [[Timeline#1989|1989]]. The tournament was held in conjunction with the [[ACM]]/[[IEEE]] [https://en.wikipedia.org/wiki/ACM/IEEE_Supercomputing_Conference Supercomputing Conference] in the [https://en.wikipedia.org/wiki/Reno-Sparks_Convention_Center Reno Convention Center]. For the final winner, see the controversial discussion between [[Hans Berliner]] and [[Feng-hsiung Hsu]] at [[Computer Chess Forums|rec.games.chess]] <ref>[http://groups.google.com/group/rec.games.chess/browse_frm/thread/457406aed770f6be Aegon Tournament 1990; Hitech best overall] by [[Hans Berliner]], [[Computer Chess Forums|rec.games.chess]], May 25, 1990</ref>.
=Final Standing=
<ref>[[Ken Thompson]] ('''1989'''). ''Results and Games''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]</ref> <ref>[http://www.csvn.nl/index.php/historie/computer-computer/102-acm-1989 ACM 1989] [[CSVN]] site</ref>.
{| class="wikitable"
|-
! #
! Name
! CC
! 1
! 2
! 3
! 4
! 5
! P
! SOS
! SoDOS
|-
! 1
| style="text-align:left;" | [[HiTech]]
! US
| style="text-align:right;" | 9b1
| style="text-align:right;" | 6w1
| style="text-align:right;" | 2w0
| style="text-align:right;" | 4b1
| style="text-align:right;" | 5b1
! 4
| style="text-align:center;" | 13½
| style="text-align:center;" | 9½
|-
! 2
| style="text-align:left;" | [[Deep Thought]]
! US
| style="text-align:right;" | 7b1
| style="text-align:right;" | 8w1
| style="text-align:right;" | 1b1
| style="text-align:right;" | 5w1
| style="text-align:right;" | 3b0
! 4
| style="text-align:center;" | 12½
| style="text-align:center;" | 9½
|-
! 3
| style="text-align:left;" | [[Mephisto|Mephisto X]]
! GB
| style="text-align:right;" | 10w½
| style="text-align:right;" | 5b0
| style="text-align:right;" | 6b1
| style="text-align:right;" | 7w½
| style="text-align:right;" | 2w1
! 3
| style="text-align:center;" | 12
| style="text-align:center;" | 8
|-
! 4
| style="text-align:left;" | [[Bebe]]
! US
| style="text-align:right;" | 8b0
| style="text-align:right;" | 9w1
| style="text-align:right;" | 7b1
| style="text-align:right;" | 1w0
| style="text-align:right;" | 10b1
! 3
| style="text-align:center;" | 10
| style="text-align:center;" | 4½
|-
! 5
| style="text-align:left;" | [[Rebel]]
! NL
| style="text-align:right;" | 6b½
| style="text-align:right;" | 3w1
| style="text-align:right;" | 8b1
| style="text-align:right;" | 2b0
| style="text-align:right;" | 1w0
! 2½
| style="text-align:center;" | 15
| style="text-align:center;" | 5¾
|-
! 6
| style="text-align:left;" | [[Cray Blitz]]
! US
| style="text-align:right;" | 5w½
| style="text-align:right;" | 1b0
| style="text-align:right;" | 3w0
| style="text-align:right;" | 9b1
| style="text-align:right;" | 7w1
! 2½
| style="text-align:center;" | 12½
| style="text-align:center;" | 4¼
|-
! 7
| style="text-align:left;" | [[Phoenix]]
! CA
| style="text-align:right;" | 2w0
| style="text-align:right;" | 10b1
| style="text-align:right;" | 4w0
| style="text-align:right;" | 3b½
| style="text-align:right;" | 6b0
! 1½
| style="text-align:center;" | 14
| style="text-align:center;" | 3
|-
! 8
| style="text-align:left;" | [[BP]]
! US
| style="text-align:right;" | 4w1
| style="text-align:right;" | 2b0
| style="text-align:right;" | 5w0
| style="text-align:right;" | 10b½
| style="text-align:right;" | 9w0
! 1½
| style="text-align:center;" | 12½
| style="text-align:center;" | 3¾
|-
! 9
| style="text-align:left;" | [[Novag X|Novag]]
! US
| style="text-align:right;" | 1w0
| style="text-align:right;" | 4b0
| style="text-align:right;" | 10w½
| style="text-align:right;" | 6w0
| style="text-align:right;" | 8b1
! 1½
| style="text-align:center;" | 12½
| style="text-align:center;" | 2¼
|-
! 10
| style="text-align:left;" | [[Zarkov]]
! US
| style="text-align:right;" | 3b½
| style="text-align:right;" | 7w0
| style="text-align:right;" | 9b½
| style="text-align:right;" | 8w½
| style="text-align:right;" | 4w0
! 1½
| style="text-align:center;" | 10½
| style="text-align:center;" | 3
|}
* [https://en.wikipedia.org/wiki/ISO_3166-1 CC Country Codes]
* SOS: [https://en.wikipedia.org/wiki/Buchholz_system Sum of Opponent Scores]
* SoDOS: [https://en.wikipedia.org/wiki/Neustadtl_score Sum of Defeated Opponent Scores]
=Participants=
<ref>[http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6cb3a1 The Twentieth ACM North American Computer Chess Championship] from [[The Computer History Museum]], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1989_20th_NACCC/1989%20NACCC.062303064.sm.pdf pdf]</ref>
{| class="wikitable"
|-
! Program
! CC
! Team
! Hardware
! Language
|-
| style="text-align:left;" | [[Bebe]]
! US
| [[Tony Scherzer]], [[Linda Scherzer]]
| SYS-10 [https://en.wikipedia.org/wiki/Bit_slicing bit slice] hardware
| [[Assembly]]
|-
| style="text-align:left;" | [[BP]]
! US
| [[Robert Cullum]]
| [https://en.wikipedia.org/wiki/Compaq_Deskpro_386#Deskpro_386 Compaq] [[x86|386/20]]
| [[C]], [[Assembly]]
|-
| style="text-align:left;" | [[Cray Blitz]]
! US
| [[Robert Hyatt]], [[Albert Gower]], [[Harry Nelson]]
| [[Cray X-MP|Cray X-MP 48]]
| [[Fortran]], [[C]], [[Assembly]]
|-
| style="text-align:left;" | [[Deep Thought]]
! US
| [[Thomas Anantharaman]], [[Mike Browne]],<br/>[[Murray Campbell]], [[Feng-hsiung Hsu]],<br/>[[Andreas Nowatzyk]]
| [[Sun#4|Sun-4]]<br/>6 special processors
| [[C]], [https://en.wikipedia.org/wiki/Microcode Microcode]
|-
| style="text-align:left;" | [[HiTech]]
! US
| [[Carl Ebeling]], [[Hans Berliner]], [[Gordon Goetsch]],<br/>[[Murray Campbell]], [[Andy Gruss]], [[Andrew James Palay|Andy Palay]]
| [[Sun#4|Sun-4]]<br/>special purpose hardware
| [[Assembly]]
|-
| style="text-align:left;" | [[Mephisto|Mephisto X]]
! GB
| [[Richard Lang]], [[Ossi Weiner]]
| [[68030]]
| [[Assembly]]
|-
| style="text-align:left;" | [[Novag X|Novag]]
! US
| [[David Kittinger]]
| [[6502]] [https://en.wikipedia.org/wiki/Bit_slicing bit sliced] micro
| [[Assembly]]
|-
| style="text-align:left;" | [[Phoenix]]
! CA
| [[Jonathan Schaeffer]]
| 5-7 [[Sun#4|Sun-4]]
| [[C]]
|-
| style="text-align:left;" | [[Rebel]]
! NL
| [[Ed Schroder|Ed Schröder]], [[Jan Louwman]]
| [[6502]] [https://en.wikipedia.org/wiki/Bit_slicing bit sliced] micro
| [[Assembly]]
|-
| style="text-align:left;" | [[Zarkov]]
! US
| [[John Stanback]]
| [https://en.wikipedia.org/wiki/HP_9000 HP 9000/835]
| [[C]]
|}
* [https://en.wikipedia.org/wiki/ISO_3166-1 CC Country Codes]
=Photos & Games=
==Deep Preparation==
<span id="DeepPreparation"></span>In round 3, [[HiTech]] versus [[Deep Thought]], [[Hans Berliner]] had prepared an opening, following a game of [[Kasparov versus Deep Thought 1989|Kasparov versus Deep Thought]] played shortly before <ref>[[Ben Mittman]] ('''1989'''). ''Deep Preparation''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]], on [[Hans Berliner|Hans Berliner's]] opening preparation versus [[Deep Thought]], following a game of [[Kasparov versus Deep Thought 1989|Kasparov versus Deep Thought]]</ref> <ref>[http://www.chessgames.com/perl/chessgame?gid=1070452 Garry Kasparov vs Deep Thought (Computer) (1989)] from [http://www.chessgames.com/index.html chessgames.com]</ref>:
<pre>
[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
</pre>
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 <ref>[https://en.wikipedia.org/wiki/Larry_Evans Larry Evans] ('''1989'''). ''The Key Game''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]], pp. 244, annotated [[Hitech]] versus [[Deep Thought]] game</ref>
<pre>
[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
</pre>
==Round 5 Surprise==
[[FILE:5-3.Campbell_Hsu_Berliner.ACM_20_NACCC.Reno.1989.102645329.NEWBORN.lg.jpg|none|border|text-bottom|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd30c91]]
[[Hans Berliner]] (rear), [[Murray Campbell]] and [[Feng-hsiung Hsu]], ACM '89 <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd30c91 Hans Berliner (rear), Murray Campbell (front, left) and Feng-Hsiung Hsu at the 20th annual ACM Computer Chess Championship in Reno, Nevada] 1989, Gift of [[Monroe Newborn]], [[The Computer History Museum]]</ref>
<pre>
[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
</pre>
[[FILE:4-3_3-1.Richard_Lang_ACM_20_NACCC_Reno_1989.102645339.NEWBORN.lg.jpg|none|border|text-bottom|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd619d1]]
[[Richard Lang]] playing [[Mephisto|Mephisto X]] aka [[Mephisto Portorose]] at ACM '89 <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbd619d1 Richard Lang at the 20th ACM North American Computer Chess Championship in Reno, Nevada], Gift of [[Monroe Newborn]], [[The Computer History Museum]]</ref>
[[FILE:4-2.Mephisto_machine.ACM_20_NACCC.Reno.1989-2.102645422.NEWBORN.lg.jpg|none|border|text-bottom|link=http://www.computerhistory.org/chess/full_record.php?iid=stl-431f4cc190001]]
8/2k1b2Q/1pp1q3/p2n1pp1/3P4/PB2P3/1P1N1P2/2K5 w - - 3 45 <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-431f4cc190001 Mephisto X computer chess board at the 20th ACM North American Computer Chess Championship in Reno, Nevada], Gift of [[Monroe Newborn]], [[The Computer History Museum]]</ref>
=Tournament Director=
* [[David Levy]]
=See also=
* [[WCCC 1989]]
* [[Kasparov versus Deep Thought 1989]]
=Publications=
* [http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6cb3a1 The Twentieth ACM North American Computer Chess Championship] from [[The Computer History Museum]], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1989_20th_NACCC/1989%20NACCC.062303064.sm.pdf pdf]
* [[David Levy]] ('''1989'''). ''The 20th North American Computer-Chess Championship''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
: [[Ken Thompson]] ('''1989'''). ''Results and Games''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
: [https://en.wikipedia.org/wiki/Larry_Evans Larry Evans] ('''1989'''). ''The Key Game''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
: [[Ben Mittman]] ('''1989'''). ''Deep Preparation''. [[ICGA Journal#12_4|ICCA Journal, Vol. 12, No. 4]]
* [[Monroe Newborn|Monty Newborn]] and [[Danny Kopec]] ('''1990'''). ''The Twentieth ACM North American Computer Chess Championship'', in [http://www.computerhistory.org/chess/full_record.php?iid=doc-431614f6cbb95 The 21st Annual ACM North American Computer Chess Championship] from [[The Computer History Museum]], [http://archive.computerhistory.org/projects/chess/related_materials/text/3-1%20and%203-2%20and%203-3%20and%204-3.1990_21st_NACCC/1990%20NACCC.062303065.sm.pdf pdf]
=Forum Posts=
* [http://groups.google.com/group/rec.games.chess/browse_frm/thread/457406aed770f6be Aegon Tournament 1990; Hitech best overall] by [[Hans Berliner]], [[Computer Chess Forums|rgc]], May 25, 1990 » [[Aegon 1990]]
=External Links=
* [http://www.csvn.nl/index.php/historie/computer-computer/102-acm-1989 ACM 1989] [[CSVN]] site
{{ACM Include}}
=References=
<references />
'''[[ACM North American Computer Chess Championship|Up one level]]'''
