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Tigran Vartanovich Petrosian vs Lajos Portisch
Second Piatigorsky Cup (1966), Santa Monica, CA USA, rd 12, Aug-04
Queen's Gambit Declined: Orthodox Defense. Alekhine Variation (D67)  ·  1/2-1/2
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-09-15  zydeco: Very quiet opening. Petrosian tries a new move with 12.Nxf6+. He's proud of how he plays the position from move 16 to 24, acquiring a significant positional advantage.

Both players agreed that Portisch should have continued simplifying with 28....Rd8 29.Na5 Rxd2 30.Kxd2 Ne6 31.Ke3 Nd8.

35....h6 is a mistake. 35....Ne6 was better.

Petrosian says that he saw a winning line on move 41, with 41.Nf5 Nd3 42.Ne7+ Kf6 43.Nxc6 a5 44.b4 but for some reason sealed 41.Ne4 instead. "One could ask why I did not record the very best move if I saw it and if I realized its advantages. Alas, it is difficult to explain. Probably this is notoriously poor form."

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