[chessmind] Dennis Monokroussos: Dortmund, Round 6: Leko defeats Gustafsson, takes the lead

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Posted by Dennis Monokroussos:
Dortmund, Round 6: Leko defeats Gustafsson, takes the lead
http://chessmind.powerblogs.com/posts/1215293917.shtml


   With one round to go, Peter Leko has leaped into the lead, defeating
   Jan Gustafsson with surprising ease with the black pieces.
   Gustafsson's novelty, 16.Qb3, left him doubled, backward pawns on the
   b-file after 16...Qxb3 17.axb3, and at the end of the day that
   weakness proved decisive. Leko's technique was good enough, though his
   error on move 35 gave his opponent a chance to put up more resistance.
   Leko thus leads with 4 points, half a point ahead of Gustafsson and
   Ian Nepomniachtchi, who managed to hold on with Black against Vladimir
   Kramnik.
   Shakhriyar Mamedyarov-Vassily Ivanchuk was also drawn, and quickly,
   but for those who take the time to closely examine the game, you'll
   discover genuine value therein. The pawn roller plan used by
   Mamedyarov can be devastating - witness the famous
   Botvinnik-Capablanca game from AVRO 1938 - so it's valuable to reflect
   on the way Ivanchuk coped with that plan.
   Finally, the tournament victim (Loek van Wely) was sacrificed on the
   altar once more, this time to Arkadij Naiditsch, who plastered him in
   26 moves. With one round to go, van Wely's TPR isn't even enough for
   an IM norm, making this almost surely the worst tournament of his
   adult life.
   The games, with my comments, are [1]here.
   Standings after Round 6:
   1. Leko 4
   2-3. Nepomniachtchi, Gustafsson 3.5
   4-7. Mamedyarov, Ivanchuk, Kramnik, Naiditsch 3
   8. van Wely 1
   Last Round Pairings:
   Ivanchuk - Kramnik
   van Wely - Mamedyarov
   Leko - Naiditsch
   Nepomniachtchi - Gustafsson

References

   1. http://chessmind.powerblogs.com/files/dortmund2008_rd6.htm