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Lajos Portisch vs Viktor Korchnoi
USSR vs. Rest of the World (1970), Belgrade SRB, rd 2, Mar-31
Nimzo-Indian Defense: Normal. Gligoric System Bronstein Variation (E55)  ·  1/2-1/2
ANALYSIS [x]

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Kibitzer's Corner
Dec-27-03  Resignation Trap: Reshevsky criticizes Black's play with his dark square Bishop. White built up pressure with simple moves. 19. Ne5! is fine, if then 19...Nxe5 20. dxe5 Bxe5 21. Bf4 (or 21. Bxh6) Qc7 22. Nd5 Qb8 23. Nxf6+ gxf6 24. Bxh6 with advantage.

23. Nxd7 Reshevsky calls this an unnecessary release of tension and recommends 23. Qd3 followed by either 24. Qh3 or 24. Re3 and 25. Rh3

28. Rcd1 Reshevsky "?". "Portisch again misses an opportunity. He could have obtained a winning position with 28. dxe6 dxe6 29. Be4! Bxe4 (if 29...Rh8 30. Bxb7 Rxh7 31. Nd5+ Kf7 32. Nxf6 Rxc1 33. Rxc1 Kxf6 34. Bxa6 etc.) 30. Qxe4 and the double threat of Nd5+ and Qb7+ cannot be parried."

Instead of 30. Qe2, Reshevsky suggested 30. Qh3 as still offering some chances.

On to Round Three:

Korchnoi vs Portisch, 1970

Aug-14-13  Zugzwangovich: Of this game Dragoslav Andric wrote, "Just when (Portisch) obtained a decisively better position and was about to win a pawn, and, to top it off, when Korchnoi had only a few seconds left for 9 moves, the Hungarian most unexpectedly agreed to a draw. When the world team's captain, Dr. Euwe, asked Portisch for his reasons, the Hungarian just about forgot whatever he knew of English or Russian."
Aug-14-13  MarkFinan: It appears Portisch could and should have won 3 of the 4 games, and he'd have been top of the board too.
Jun-15-14  RookFile: Strange. Even in the final position, I'd still want to play on with white.
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Board 3
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