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Larry Mark Christiansen vs Lajos Portisch
Linares (1981), Linares ESP, rd 5, Jan-22
English Opening: Agincourt Defense. Keres Defense (A14)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Sep-22-10  sevenseaman: Its as good a Chritiansen game as the one against Spassky. Portisch was a lesser light in comparison to Spassky, but surely the Americans were on the ascendancy around this time.
Dec-31-13  Howard: Christiansen once said in a New in Chess interview that he considered this game to be probably the best of his career. It also made the top 10 in the Informant volume for that period.
Nov-23-16
Premium Chessgames Member
  fredthebear: LC makes use of his expanding isolani and criss-crossing bishops to good effect. At first, 18. Rc1 appears to drop the pawn by allowing an exchange to remove the queen as defender of the isolani, leaving two Black attackers against one White defender. However, if 18...RxRc1 19.QxRc1 Bxd5 comes the sting in the tail with 20.Rd1 to pin the pawn grabbing Black bishop to it's queen.

The sacrificial offer of the White queen with 28.Qe4 is a nice touch, setting up a discovered check that allows the isolani to advance twice and promote. Of course, Black declines to save his own royalty, but the White queen's penetration thereafter with bishops waiting to assist rings up the victory.

In the world history of long, drawn-out isolani battles, this should be considered a sparkling miniature win. Black was unable to blockade the d-pawn from advancing while White made use of open lines. Everybody knows LC is a devastating power puncher when allowed active pieces in open space.

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