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Viktor Korchnoi vs Alon Greenfeld
Beer Sheva 49/49 (1990)
English Opening: Symmetrical Variation. Hedgehog Defense (A30)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Mar-24-06  pawn to QB4: Wow. Thanks to Volmac for pointing out this game. Belated happy birthday to Viktor Korchnoi. If it was most other people I'd say he played like Tal here, but I believe he'd prefer a different comparison. Played like Lasker, grandmaster.
Jul-11-07  percyblakeney: This was the only game in Beer Sheva 1990 that wasn't drawn. Smyslov's nine games were on average finished before the 18th move. He was almost 70 by then, but not without fighting spirit in some other tournaments several years later:

Smyslov vs P Cramling, 1996

Oct-13-08  Cactus: Karpov, in his excellent book 'How to play the English Opening' says of this game:

"In the English Opening, we rarely see novelties that completely overturn opening theory. That is why, in the present opening, grandmaster encounters have only triumphed a few times in the 'Chess Informater' compitition for the most important theoretical game. The following example is presented as the only game in this book that has won the above-metioned prize in this book in the course of many years! Such an example is of course, worth of our attention."

Basically, the novelty is 12.Qxg7!. You would think that 12...Bf6 would simply cause white to resign, but actually, white gains a very strong attack, and this move refuted the whole 11...Nfe4 variation.

Oct-13-08  Shams: 12.Qxg7!!

if one of my students made this move, I'd chastise him for five minutes. great vision by Korchnoi.

Jul-17-13
Premium Chessgames Member
  Domdaniel: <Cactus> -- < Karpov, in his excellent book 'How to play the English Opening' says ...> I have to admit that when I first saw Karpov's book, I had a low opinion of it. It seemed to be just a simple collection of games, with no overall scheme to explain the main lines of the English.

Later, I came to appreciate it. The annotations are excellent, and the overall scheme of the English can be worked out by the reader from a close study of the selected games.

This is a brilliant game, and Korchnoi's sac 12.Qxg7 -- even if it was the product of midnight oil -- is a very deep concept.

Jul-17-13  savagerules: In Korchnoi's book he mentioned 12 b4 being played in Andersson-Greenfeld 1988 so even though he didn't come out and say he prepared 12 Qxg7! just for Greenfeld it sure looks that way. BTW he mentioned 20...Ke7 as a better move for Black but White still had a big advantage and criticized his own 22 Bb2 as weak saying it gave Black drawing chances saying 22 cxb6 would be a clear win.
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