WMCCC 1990

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Palais des congrès

The Tenth World Microcomputer Chess Championship took place from November 24 to 30, 1990, in the Palais des congrès de Lyon, Lyon, France, at the same time and the same place as the second leg of its human equivalent, the Kasparov - Karpov match .

Final Standing

10th World Microcomputer Chess Championship, Nov. 1990, Lyon FRA

#	Program	CC	Processor	1	2	3	4	5	6	7	P	SOS	SoDOS
1	Mephisto X (Lyon)	GB	68030 50 MHz	5w1	9b1	4w1	3b1	2w½	6b1	7w1	6½	27	24¼
2	Échec 1.9	FR	x86	3w½	10b½	7w1	4b1	1b½	5w1	8w1	5½	28	20¾
3	Gideon	NL	ARM2	2b½	11w1	9b1	1w0	5b1	4w1	6b1	5½	26½	17¼
4	The King	NL	ARM2	6w1	7b1	1b0	2w0	10w1	3b0	12w1	4	27½	10
5	Check Check	DE	x86	1b0	12w1	11b1	6w½	3w0	2b0	10w1	3½	26	7
6	Patzer	DE	x86	4b0	8w½	12b1	5b½	7w1	1w0	3w0	3	27	7¾
7	Chess Simulator	GB	68030	8w1	4w0	2b0	11b1	6b0	9w1	1b0	3	26	7
8	BB	FR	x86	7b0	6b½	10w0	12w½	9b1	11w1	2b0	3	19½	6¼
9	Cumulus	FR	x86	12b1	1w0	3w0	10b½	8w0	7b0	11w1	2½	23½	4¼
10	Nightmare	DE	x86	11b0	2w½	8b1	9w½	4b0	12w½	5b0	2½	21½	7¾
11	Delta	NL	x86	10w1	3b0	5w0	7w0	12b½	8b0	9b0	1½	21½	3¼
12	Nest	FR	x86	9w0	5b0	6w0	8b½	11w½	10b½	4b0	1½	20	3½

• CC Country Codes
• SOS: Sum of Opponent Scores
• SoDOS: Sum of Defeated Opponent Scores

Participants

Program	CC	Authors
BB	FR	Christophe Jolly
Check Check	DE	Wolfgang Delmare
Chess Simulator	GB	Chris Whittington
Cumulus	FR	Marc-François Baudot, Jean-Christophe Weill
Delta	NL	Fré Felkers
Échec 1.9	FR	Marc-François Baudot, Jean-Christophe Weill
Gideon	NL	Ed Schröder
Mephisto X (Lyon)	GB	Richard Lang
Nest	FR	Bruno Bras
Nightmare	DE	Reinhold Gellner, Gaby von Rekowski
Patzer	DE	Werner Koch, Thomas Schäfer
The King	NL	Johan de Koning

• CC Country Codes

Draw by Reputation

In round five, the mighty Mephisto by Richard Lang played Échec 1.9 by Marc-François Baudot and Jean-Christophe Weill, and around move 23 the Mephisto team were clearly getting desperate and beginning to envisage the horrifying prospect of losing a lot of prestige - and maybe even the world champion title. Just a few moves later, with Mephisto the exchange down and showing an evaluation of -2, Échec began to repeat moves, and a draw by repetition was fixed on move 32. The explanation was the amateurs had set their contempt factor to no less than four Pawns. As Mike Valvo remarked in the bulletin: this particular draw by repetition might better be labeled a draw by reputation .

[Event "WMCCC 1990"]
[Site "Lyon, France"]
[Date "1990.01.01"]
[Round "5"]
[White "Mephisto X"]
[Black "Échec 1.9"]
[Result "1/2-1/2"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nf3 Nf6 5.Nc3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Ne5 Nxe5 9.Bxe5 Nd7
10.Qb3 Nxe5 11.dxe5 Be7 12.Qxb7 O-O 13.Rc1 Rb8 14.Qxa7 Rxb2 15.a3 f6 16.exf6 Bxf6 17.Nd1 Ra2
18.Bb5 Qd6 19.Qc5 Qxc5 20.Rxc5 Rxa3 21.Rc6 Ra2 22.Be2 Bd8 23.h4 Ba5+ 24.Kf1 Bc2 25.Rxc2 Rxc2
26.h5 Rc1 27.h6 Bb6 28.hxg7 Kxg7 29.Ke1 Ba5+ 30.Kf1 Bb6 31.Ke1 Ba5+ 32.Kf1 Bb6 1/2-1/2

Tournament Director

• Mike Valvo

Publications

• Thomas Mally (1990). The 10th World Microcomputer Chess Championship. ICCA Journal, Vol. 13, No. 4
• Eric Hallsworth (1991). World Micro-Computer Championship, Lyon. Selective Search 32, pp 4, pdf hosted by Mike Watters

External Links

• 10th World Microcomputer Chess Championship from the ICGA Tournament Database
• 10th World Microcomputer Chess Championship - Lyon 1990 (ICGA Tournaments)
• WMCC 1990, CSVN tournament site
• 10. WMCCC Lyon 1990 from Schachcomputer.info - Wiki (German)

References

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