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Lajos Portisch vs Tigran Vartanovich Petrosian
Cm ( 1/4 ) 1974  ·  Queen's Gambit Declined: Orthodox Defense. Henneberger Variation (D63)  ·  1-0
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sac: 25.Rxe7 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Feb-12-04  Everett: Somebody looking for a well-played game by Portisch? From move 23 on, you can't ask for much more
Feb-12-04  Everett: Can someone tell me what happens after 27...Rg8 28.Qe5+ f6 29.Qxf6+ Reg7?
Feb-12-04  zorro: maybe 30. Rxf5 intending 31. Rg5. If black plays ...Qc7 to defend the 7h rank even Re5 followed by e6 ecc. is possible
Feb-13-04  sacanimal: <Can someone tell me what happens after 27...Rg8 28.Qe5+ f6 29.Qxf6+ Reg7?> 30. Rd1 is crushing.
Feb-13-04  drukenknight: Indeed this is a great Portisch game! I thought I would never see one in my lifetime. Moves 17/18 could be improved on but other than that it's hard to find anything.

Everett: try 28 exf7 but 28...Rxf7 and Im not sure...

Feb-13-04  Resignation Trap: Portisch had an excellent record against Petrosian. In fact, Petrosian was unable to defeat Portisch in any of their games prior to this match.
Feb-20-04  Everett: Thanks sacanimal. 30. Rd1 is it.
Apr-23-04  Tigran Petrosian: Ouch!
May-22-04  Tigran Petrosian: Here's another one for Benjamin Lau's 1.d4! collection.
May-22-04  Benjamin Lau: Thanks yet again Petrosian.
May-22-04  Tigran Petrosian: No problem.
May-30-04  Tigran Petrosian: Do you guys llike this win or portisch's win over petrosian from 1967?
Jun-06-04  iron maiden: <TP>, I favor this game. The final combination just blew me away.
Dec-27-04  Whitehat1963: Beautiful finish indeed! This would make for a pretty difficult puzzle.
May-16-08  ToTheDeath: Petrosian liked to defend inferior positions but here it just didn't work.

29...Qa5 loses, 29...Qc5! would keep Black alive.

Instead of 29.Bh6? the move order 29.Qe5+! Kg8 30 Bh6 is immediately crushing.

May-27-08  Fast Gun: Not often you see Petrosian routed like this !!
May-27-08  euripides: 7...a6 was used a lot by Alekhine in his match against Capablanca, but he later said 8.cxd5 was good against it.

Portisch was something of a specialist in this line as Black including this mishap against Spassky:

Spassky vs Portisch, 1967

I guess the point of 8.c5 is that after a6 Black doesn't have the option of playing b6 cxb6 axb6 with a more solid pawn formation.

Premium Chessgames Member
  Ulhumbrus: <ToTheDeath: Petrosian liked to defend inferior positions but here it just didn't work. 29...Qa5 loses, 29...Qc5! would keep Black alive.

Instead of 29.Bh6? the move order 29.Qe5+! Kg8 30 Bh6 is immediately crushing.>

This suggests the question: What can White do after 29...Qc5 that he can't do after 29...Qa5? One possible thing is 30 Bf4 Rd5 31 Qg5. With the Black Q on d8, the White Q could be taken now. On 31...Qf8 32 Rc1 attacks the c4 pawn. On 32...Rc5 33 Rxc4! Rxc4 34 Be5+ Qf6 35 Bxf6 is mate.

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