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Lajos Portisch vs Tigran V Petrosian
"Portisch Authority" (game of the day Jul-16-2017)
Petrosian - Portisch Candidates Quarterfinal (1974), Palma ESP, rd 10, Feb-08
Queen's Gambit Declined: Orthodox Defense. Henneberger Variation (D63)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
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.

Nov-06-08  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.

Aug-15-14
Premium Chessgames Member
  SteinitzLives: 9. . . . . b6 creates the impression of Q side counterplay for black, but after a few moves it's clear that it has not happened. After white's 14 f4 and 15. f5, black's three pieces sitting on the b file seem dead-in-the-water-useless. Portisch with some good timing, space gains and calculation on the K-side, brings home the point very efficiently.

I think Portisch was in his prime at this point in his career, but Petrosian was still just way too strong in a match environment in too many ways, and with better team and second support for sure.

In reading the book of the San Antonio 1972 tourney (Church's Fried Chicken sponsored it) one of its authors wrote that Portisch did not travel with or use a second generally speaking.

What a glorious window of chess sponsorship opportunity was open but for such a brief moment thanks to the Fischer boom. A shame organizers and Fischer himself could not or would not jump in to get more sponsors to participate, and bring big money to chess.

Petrosian, Karpov and Keres all came to the U.S. to play in the San Antonio tourney, (which was rare, but there was a slight hope that Fischer might play in it). Kavalek would have played, but chose preparation for, and the Olympiad instead, maybe not a great choice, but understandable since there was hope Fischer would play on the Olympiad team too! Kavalek had committed to it, thinking that with Fischer possibly on the team, the U.S. had a real shot at a medal. This info. is per one of Kavalek's lectures in the D.C. metro area just a few years ago.

Portisch tied for 1st place in San Antonio 1972 with Petrosian and Karpov and it speaks so well of him. I will re-poste this last bit on the San Antonio 1972 page.

Apr-04-17  cunctatorg: A real pride to score such a beautiful win against such a defender as Petrosian was; to be honest, this might very well be a Bobby Fischer game!!...
Jul-16-17  RookFile: It reminds me of Pillsbury with white.
Jul-16-17
Premium Chessgames Member
  Gregor Samsa Mendel: <RookFile>--From Robert Byrne's book on the 1974 Candidates' Matches, after white's 14th move:

"Portisch has now attained the classical attacking formation originated by the brilliant American grandmaster Harry Nelson Pillsbury. Whatever chance Petrosian has now lies in striving for simplification with 14..Nfd7, but he misses it."

Jul-16-17  RandomVisitor: Black still has to play precisely after the suggested improvement 14...Nfd7 in order to diffuse the white attack:


click for larger view

Stockfish_17061704_x64_modern: <2.5 hours computer time>

<+0.34/46 14...Nfd7 15.h4 Qe8 16.Qh5 f5> 17.Qxe8 Raxe8 18.Bxe7 Rxe7 19.Rb1 Nf6 20.b3 Rc7 21.Rfc1 cxb3 22.Rxb3 Nc4 23.Na4 Nxe5 24.fxe5 Ne4 25.Rbb1 Rfc8 26.Nb6 Nc3 27.Nxc8 Nxb1 28.Rxb1 Bxc8 29.Bd1 Kf7 30.Kf2 Rb7 31.Rxb7+ Bxb7 32.Be2 a5 33.Bb5 Ke7 34.Kf3 Bc8 35.Be2 Bd7 36.g4 fxg4+ 37.Kxg4 Kf7 38.Bd3 h6 39.Kf4 Ke7 40.a3 Kf7

Jul-16-17
Premium Chessgames Member
  offramp: Today's pun is based on the phrase "Port Authority". Most big ports have a post authority. Not Rotterdam, though. That just has a big hole in the ground.

The one in London (POLA) used to be housed in the most magnificent building I have ever seen; a building that is now a mind-boggling hotel: the Four Seasons Hotel London, at Ten Trinity Square, overlooking Tower Bridge and the Tower of London. http://www.fourseasons.com/tentrini...
Rooms are about £600 a night but if you mention my name you might get an 88¢ discount per week.

Jul-16-17  Ironmanth: Great game!
Jul-16-17  JPi: Well played!
Jul-16-17  RandomVisitor: It appears that the computer can force no breakthroughs, after 14.f4 <Nfd7>.


click for larger view

Stockfish_17061704_x64_modern: <8 hours computer time>

<+0.37/48 14...Nfd7 15.Bxe7 Qxe7 16.Rf2 g6> 17.Qg4 Rab8 18.Rcf1 f5 19.Qh3 Nf6 20.Qh4 Rbe8 21.h3 Nfd7 22.Qxe7 Rxe7 23.g4 Rg7 24.Rg2 a5 25.gxf5 gxf5 26.Rxg7+ Kxg7 27.Kf2 Rg8 28.Rg1+ Kf8 29.Rxg8+ Kxg8 30.Nb5 Kf8 31.Kg3 Ke7 32.Kh4 Nxe5 33.fxe5 Bc6 34.Nc3 Kf7 35.Kg3 Kf8 36.Bd1 Kf7 37.Bh5+ Ke7 38.Ne2 Kd8 39.Bf3 Ke7 40.Kf2 Nd7 41.Nf4 Kf7

Jul-17-17  ChessHigherCat: The finish is a bit tricky: 33....Qd1 34. Kf2 Qd2+ 35. Kg3 Qxe3+ 36. Kh4 Qe1+ 37. g3 and black is fresh out of checks.

<Offramp: Today's pun is based on the phrase "Port Authority". Most big ports have a post authority. Not Rotterdam, though. That just has a big hole in the ground.>

What do you expect, it was specifically designed for damn rotters

Jul-17-17
Premium Chessgames Member
  kevin86: Mate will come soon.
Jul-17-17  Petrosianic: It seems that there were a lot of Candidates Matches in which the loser scored the best win of the match.

In the 1974 series alone, I liked the loser's win best in Korchnoi-Mecking, Petrosian-Portisch, Karpov-Spassky, Korchnoi-Petrosian, and Karpov-Korchnoi. And there might have been more than that if the loser hadn't won ANY games in the other two matches.

Jul-17-17  Petrosianic: Now I remember from Byrne's book on this match that he didn't like 9...b6, and suggested instead 9...e5!

10. dxe5 Ne8, and Black will pick up either the c or e pawns and more or less equalize.

Jul-17-17  Howard: Some have said that Game 13 of Karpov-Korchnoi 1981 was probably the best game of that match. Korchnoi won that game, but it didn't exactly do him much good as far as the overall match.

For the record, my favorite game from that match was Game 4---vintage Karpov !

Jul-17-17  Petrosianic: Maybe. I liked Game 9, but you could make a case for Game 13.
Jul-20-17  Howard: Certainly nothing wrong with Game 9 ! Classic case of how to play against an isolated pawn.
Oct-27-18
Premium Chessgames Member
  Honza Cervenka: Not very often was Iron Tigran beaten in such a way. Superb game by Portisch.
Oct-27-18
Premium Chessgames Member
  MissScarlett: <Not very often was Iron Tigran beaten in such a way.>

That we know of: Petrosian vs N Rashkovsky, 1974 (kibitz #4)

Oct-27-18
Premium Chessgames Member
  Honza Cervenka: Well, that was a humiliating opening disaster.
Mar-10-20  Gaito: 7...a6? is a mistake, known since 1922. It was first played in a game Alekhine vs. Bogoljubov, Hastings, 1922, 5th round. Alekhine of course punished it with 8.c5!, whereby the square b6 was critically weak for Black. Portisch was on the receiving side of that mistake when he himself played 7...a6? against Hort in Madrid, 1973. Hort naturally knew Alekhine's refutation and played 8.c5!, and eventually won in good style. Well, Portisch learned his lesson, did his homework, and now Petrosian was the one who made the same old mistake, and the move was refuted by Portisch. A very curious chain of events. The moral of the story is that it pays to play over Alekhine's games once in a while.
Mar-11-20  Petrosianic: <Gaito>: <7...a6? is a mistake, known since 1922.>

No, it's not. Black is fine after 9...e5, due to the weakness of the c pawn. 9...b6? was a weak move, though.

Aug-23-21  Gaito: <Petrosianic:. No, it's not. Black is fine after 9...e5, due to the weakness of the c pawn. 9...b6? was a weak move, though.> Yes, thank you for the correction. To be sure 7...a6 is no mistake at all. I already mentioned elsewhere (Hort vs Portisch, 1973) that 7...a6 was played many times in the match Capablanca vs. Alekhine, Buenos Aires, 1927.

Sorry for my bad judgment. The "delete" option of my previous comment has disappeared.

I had the (wrong) belief that since Alekhine had beatten Bogoljubov at Hastings 1922 after 7...a6 8.c5, then the move 8.c5 could be a sort of "refutation" of Black's 7...a3. (Alekhine vs Bogoljubov, 1922)

That was a wrong assumption on my part. Sorry.

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