chessgames.com
Members · Prefs · Laboratory · Collections · Openings · Endgames · Sacrifices · History · Search Kibitzing · Kibitzer's Café · Chessforums · Tournament Index · Players · Kibitzing

Tigran Vartanovich Petrosian vs Hector Corral
URU-URS (1954), Montevideo URU, rd 1, Apr-??
Queen's Gambit Declined: Exchange. Positional Variation (D35)  ·  1-0
ANALYSIS [x]

FEN COPIED

Click Here to play Guess-the-Move
Given 68 times; par: 44 [what's this?]

explore this opening
find similar games 1,931 more games of Petrosian
PGN: download | view | print Help: general | java-troubleshooting

TIP: Some games have photographs. These are denoted in the game list with the icon.

PGN Viewer:  What is this?
For help with this chess viewer, please see the Olga Chess Viewer Quickstart Guide.
PREMIUM MEMBERS CAN REQUEST COMPUTER ANALYSIS [more info]

A COMPUTER ANNOTATED SCORE OF THIS GAME IS AVAILABLE.  [CLICK HERE]

Kibitzer's Corner
Dec-22-03  fatbaldguy: To follow up on the previous post - black can try to save the bishop and prevent mate on g6 by playing Red8 30 Nf4 Be8, but after 31 Rfg1 the threat becomes 32 Rg8+ Kg8 32 R1g7 mate. Note that Petrosian saw way in advance (among other things) that black cannot play 31 ... Bh5 to prevent both the rook mate and the Ng6 mate, since the h5 square is covered by the knight on f4. Petrosian was known as a "dull" positional player, but as this game shows, you don't get to that level without having pretty good tactical skills as well.
Mar-16-04  Troewa: Also, after 29. Rg7 Red8 30. Nf4 Be8 31 Rfg1 Rd7 32 Rg8+ Kh7 33. Ne6 would seal the win with the direct mating threat of Nf8#, which can only be averted at the cost of heavy material loss. Nice attack by Petrosian.
Jun-09-04  babakova: This game is hardly a tactical melee.. I would rather say that black is gradually pushed off the board
Nov-23-06  LIFE Master AJ: The game score here is wrong.

See game eight of "The Most Instructive Games of Chess Ever Played." (By I. Chernev.)

May-11-09  ToTheDeath: Remarkable game. It's no exaggeration to say <15...Nh5?> may already be the losing move- the knight never gets back into the game. Instead 15...dxe4! 16.fxe4 Ng4 looks necessary, with some counterplay.
Nov-17-09  badenbaden: Chessgames, the surname of black it's Corral. Kozali it`s a error of Chernev.
Feb-02-10  notyetagm: It is actually *Black* to move in the following position, but pretend it is White's move.

25 ?


click for larger view

What is threat?

The threat is 25 e5-e6!.

25 e5-e6!


click for larger view

But wait. Doesn't the e6-square have two attackers (White e5-,f5-pawns) versus four(!) count'em four defenders (Black f7-pawn,g7-knight,d7-bishop,e8-rook)? And isn't the Black f7-pawn the *first* defender to boot?

All true, but consider what happens after the obvious 25 ... f7xe6.

25 ... f7xe6 <self-block: e6>


click for larger view

<After 25 ... f7xe6, the Black g7-knight no longer has any <FLIGHT SQUARES>! The Black e6-pawn now <SELF-BLOCKS> the e6-square, denying it to the Black g7-knight.>

White now wins a piece with the simple pawn push 26 f5-f6 as the Black g7-knight has nowhere to run!!!

26 f5-f6 Δ f6x♘g7


click for larger view

So, in the original diagram (which really is Black to play) White is threatening 25 e5-e6!. <COUNTING> does *not* apply as Black will have a <MISPLACED PIECE> (<TRAPPED> Black g7-knight) in the resulting position that White can exploit (26 f5-f6).

<YOU CAN PUT *ANY* PIECE> (White e5-pawn)

<ON *ANY* SQUARE> (e6-square, 25 e5-e6!)

<NO MATTER WHAT COUNTING SAYS> (two attackers, 4(!) defenders)

<IF THE OPPONENT WILL HAVE MISPLACED PIECES> (Black g7-knight, trapped)

<IN THE *RESULTING* POSITION>

<*AND* YOU CAN *EXPLOIT* THE MISPLACEMENT> (26 f5-f6, 27 f6xNg7).

<CHESS IS <<<*NOT*>>> JUST COUNTING: MISPLACED PIECES <<<*SUSPEND*>>> THE NORMAL RULES OF COUNTING>

<IF YOU PUT A PIECE ON A SQUARE, DOES THE OPPONENT HAVE PIECES THAT WILL *NOT* BE SAFE? YES. CAN YOU EXPLOIT THIS? YES. THEN YOU CAN PUT THAT PIECE ON THAT SQUARE, <<<*REGARDLESS* OF WHAT COUNTING SAYS!!>>>>

Aug-06-12  backrank: Until the 25th move, the game proceeds rather straightforwardly, being typical Petrosian only inasmuch as he doesn't castle. However, it's remarkable that he attains such a positional superiority by making 'obvious' moves only. And then, as Fischer said, tactics flows from a positionally superior game, the position is already ripe:

26 e6! (wow)


click for larger view

After 26 ... fxe6 27 f6! (the point) the situatiion is similar to that describe above by <notyetagm>, only that the Ng7 now has two flight squares (the white pawn g4 has disappeared), both of them not being of much use:


click for larger view

After 27 ... Nh5 28 Bg6 is the killer, while 27 ... Nf5 28 Bxf5 (liquidation of the defender) exf5 29 Rg7 is the game continuation:


click for larger view

At this point, Black had enough. His bishop is attacked, and either he thought that after defending him, 30 Nf4 would create an unstoppable mating threat (Chernev seemed to think so, too), or he really saw the whole line given by <fatbaldguy> and <Troewa> above:

29 ... Red8 30 Nf4 Be8 (for now, mate is stopped) 31 Rfg1


click for larger view

Now mate in 2 is threatened, and the square g8 cannot be covered (Bd7 Ng6#, and on other B moves the B is captured), while 31 ... h5 leads to a mate in 3 (Rg8+, R1g7+, Rh8# thanks to kind support of the f-pawn), so that 31 ... Rd7 is forced, but then 32 Rg8+ Kg7 33 Ne6 settles it:


click for larger view

Now Nf8# is threatened, and bishop moves lose the Ra8 (except 33 ... Bf7 34 R1g7#), while 33 ... h5 just delays mate (34 Nf8+ Kh6 35 Rh8+ Rh7 36 Rxh7#), so that 33 ... Rf7 seems the only defence, but then 34 Nf8+ Rxf8 35 R1g7# is a due finish to the game.


click for larger view

Aug-06-12  backrank: Checking the above analysis with Rybka, I've found out that after 30 ... Be8, instead of 31 Rfg1, 31 Re1! is slightly simpler and more logical:


click for larger view

Now Rxe8+! is threatened to enable Ng6#, and Black can delay mate only by giving up his bishop.

BTW, Rybka prefers 29 Rg6 to Petrosian's 29 Rg7, and after Rg7 Rybka recommends Rf8, surrendering the bishop at once (which is the best chance if Black wants to play on, but he didn't want so anyway).

On playing through the whole game again, Petrosian's play doesn't seem so straightforward to me any more. 13 bxc3 is a bit surprising: while it strenghtens the center, it renders the a3 pawn somewhat weak. It never becomes an issue in the game, but you will have to feel that before making such a move (I myself would have felt uncomfortable).

And then that advance 15 e4 in the center with the white king still lingering in the e-file! But it's the logical consequence of f3, and otherwise he will always have problems with guarding the backward pawn e3. Petrosian must have judged the position correctly already when he played 12 f3. And then, concerning moves 21 and 22, the positioning of the rooks on files g and f is not so obvious. Maybe for Petrosian it is, but not for me (I always put them on the wrong files, as I realize only later in the game).

Feb-04-18  Grandma Sturleigh: Black needed to play 13...c5. After 13...Bd6 it's all one-way traffic.
NOTE: You need to pick a username and password to post a reply. Getting your account takes less than a minute, is totally anonymous, and 100% free—plus, it entitles you to features otherwise unavailable. Pick your username now and join the chessgames community!
If you already have an account, you should login now.
Please observe our posting guidelines:
  1. No obscene, racist, sexist, profane, raunchy, or disgusting language.
  2. No spamming, advertising, duplicate or nonsense posts.
  3. No malicious personal attacks, including cyber stalking, systematic antagonism, or gratuitous name-calling of any member Iincludinfgall Admin and Owners or any of their family, friends, associates, or business interests. If you think someone is an idiot, then provide evidence that their reasoning is invalid and/or idiotic, instead of just calling them an idiot. It's a subtle but important distinction, even in political discussions.
  4. Nothing in violation of United States law.
  5. No malicious posting of or linking to personal, private, and/or negative information (aka "doxing" or "doxxing") about any member, (including all Admin and Owners) or any of their family, friends, associates, or business interests. This includes all media: text, images, video, audio, or otherwise. Such actions will result in severe sanctions for any violators.
  6. NO TROLLING. Admin and Owners know it when they see it, and sanctions for any trolls will be significant.
  7. Any off-topic posts which distract from the primary topic of discussion are subject to removal.
  8. The use of "sock puppet" accounts to circumvent disciplinary action taken by Moderators is expressly prohibited.
  9. The use of "sock puppet" accounts in an attempt to undermine any side of a debate—or to create a false impression of consensus or support—is prohibited.
  10. All decisions with respect to deleting posts, and any subsequent discipline, are final, and occur at the sole discretion of the Moderators, Admin, and Owners.
  11. Please try to maintain a semblance of civility at all times.
Blow the Whistle See something that violates our rules? Blow the whistle and inform a Moderator.

NOTE: Keep all discussion on the topic of this page. This forum is for this specific game and nothing else. If you want to discuss chess in general, or this site, visit the Kibitzer's Café.

Messages posted by Chessgames members do not necessarily represent the views of Chessgames.com, its employees, or sponsors. All Moderator actions taken are at the sole discretion of the Admin and Owners—who will strive to act fairly and consistently at all times.

This game is type: CLASSICAL. Please report incorrect or missing information by submitting a correction slip to help us improve the quality of our content.

Featured in the Following Game Collections[what is this?]
Game 8
from Instructive Games (Chernev) by braystacey
Game 43 in The Development of Chess Style by Dr. Max Euwe
from E e3/e4 No Kside Fio by fredthebear
Phalanx of Pawns
from Instructive Games of Chess by Chernev by joekenn
getting a feel for the openings (D)
by fourier
Game 43 in The Development of Chess Style by Dr. Max Euwe
from Quickly Perhaps Prickly QG Poked Fredthebear by fredthebear
Phalanx of Pawns
from The most instructive games of chess ever played by monet11
Petrosian, The Quiet Armenian.
by Memethecat
Game 8
from Instructive Games (Chernev) by inmaniac
Phalanx of Pawns
from The Most Instructive Games of Chess Ever Played by SirIvanhoe
simple and instructive
from fav Smyslov & Petrosian games by guoduke
62 Most Instructive Games
by Jersey Joe
24 f5! threatens 25 e6! fxe6 26 f6, trapping Black g7-knight
from Chess is not just counting: MISPLACED PIECES by notyetagm
Phalanx of pawns
from Instructive games by chessbuzz
"Phalanx of Pawns"
from Chernev's "The Most Instructive Games of Chess" by lia0630
Petrosian
by cgrob
Game 8
from The Most Instructive Games of Chess Ever Played by smarticecream


home | about | login | logout | F.A.Q. | your profile | preferences | Premium Membership | Kibitzer's Café | Biographer's Bistro | new kibitzing | chessforums | Tournament Index | Player Directory | Notable Games | World Chess Championships | Opening Explorer | Guess the Move | Game Collections | ChessBookie Game | Chessgames Challenge | Store | privacy notice | contact us
Copyright 2001-2019, Chessgames Services LLC