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Tigran Vartanovich Petrosian vs Borislav Ivkov
Belgrade (1979)
Queen's Gambit Declined: Semmering Variation (D30)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Mar-07-07
Premium Chessgames Member
  egilarne: Seen it before :)
Its in Blocks CT Art 3.0
Mar-07-07
Premium Chessgames Member
  kevin86: This is not quite a Marshall Gold Piece game,but will have to do until one comes along-I like it.

The rook sac allows for a three pronged capture. All ways yield to :36 ♖xe5+ ♔xg4 37 f3# or even h3#

Mar-07-07  laskereshevsky: saw in a glance.......

but that's not fair!!!!

I already now this game....:)

Mar-07-07
Premium Chessgames Member
  thegoodanarchist: It must have given Petrosian great pleasure to initiate the mating combination with an exchange sac!
Mar-07-07  RookFile: It probably took Petrosian about 0.01 seconds to find this.
Mar-07-07
Premium Chessgames Member
  outplayer: I've thought for ten minutes till I find it. Certainly Petrosian has seen it when he played 34.Ng4+ but I first looked at a way for defending the knight till I've seen the mating net.
Mar-07-07
Premium Chessgames Member
  gawain: Well, I didn't think it was obvious! Especially tough to find over the board, I'd have said. A good Wednesday puzzle.

The mate itself is very pretty. I always like the ones where the K gets trapped in the middle of the board.

Mar-07-07
Premium Chessgames Member
  fm avari viraf: A bolt from the blue! This tactical shot Rxd4 by Petrosian is difficult to see over the borad but Tigran being the Master of Tactics never misses such opportunity.
Mar-07-07  MostlyAverageJoe: For the second time:

THIS IS NOT A MATING COMBINATION.

This is a combination to win a piece (and, eventually, the end game, thanks to the extra piece), by a THREAT of a mating combination.

Mar-07-07  micartouse: This is a beautiful forced checkmate sequence by the great Tigran Petrosian, and since black must recapture the rook he is mated immediately. How beautiful. :D

Actually, this forced unavoidable checkmate makes me think of a mobster pulling his friend in for a hug only to stab him in the gut with a dagger.

Mar-07-07  RookFile: So where is the forced unavoidable checkmate after 35. Rxd4 Re7.
Mar-07-07  micartouse: Re7?? That loses a bishop. So recapture is absolutely compulsory. I'm sure all recent posters would agree with me without reservation. ;)
Mar-07-07  Dom Cournoyer: Hi guys, I agree, it's not hard to find the solution quickly if we know that there is probably a sacrifice to do. I found it quickly.

But what about real life? Would we have find it in a real game? I'm not sure I would have find it. Nobody may tell me during the game ĞDom, you have a very strong move to doğ. I've to guess by myself that there is a winning sacrifice.

Honestly, I check every sacrifices in chess problems like that. But, in a real chess game I rarely do it.

What is more amazing, it's when we can't even find the solution of a chess problem, but the master find it in a real game! Wow! Moreover, he wasn't allowed to move pieces of the board to look if his calculations are right.

Mar-07-07  RookFile: So, Re7 is the best move on the board. There is no forced checkmate in the forseeable future.
Mar-07-07  micartouse: <What is more amazing, it's when we can't even find the solution of a chess problem, but the master find it in a real game!>

I agree. This can be humbling or encouraging, but at any rate it reminds us we need to not only solve, but to know when to look real hard.

It seems almost mystical that certain players get shots like these all the time. Why does Petrosian always get beautiful exchange sacs? It must be that top players find the right move when there is no choice. But when there is a choice, they steer the game into their favorite little themes. He probably saw this sac several moves back and "nudged" the game in this direction.

Mar-07-07  micartouse: <Rookfile> I know, it was a gentle poke at a previous poster. It was meant in the context of comments preceding mine.
Mar-07-07  MostlyAverageJoe: <micartouse: since black must recapture the rook he is mated immediately>

ROTFL. Wish I wrote THAT instead of what I did :-)

<Rookfile>: note :D in the comment by <micartouse>

<chessgames>: We really need embeddable emoticons.

Mar-07-07  MindlessOne: I liked everything except the bishop, so why not capture. Rxd4, does anyone think maybe chessgames needs to pick up the intensity of the daily problems?
Mar-07-07  Kings Indian: Strange, i got this faster than monday. Still nice.
Mar-07-07  CHEG: Brilliant!
Mar-07-07  Dr.Lecter: I think all the knight moves at the last 3 moves or so were aimed for this purpose.

<kingsindian> nice avatar.

Mar-07-07  soberknight: I kept on staring at the position and wondering, "This is not a puzzle position. All the material is protected and there is no mate."

I still have what to learn...

Mar-07-07  Pawnsgambit: Most easiest puzzle. I took less than 5 seconds to solve it
Mar-08-07  realbrob: Isn't 34..Kf5 just a big blunder by Ivkov? He put his king in a very unpleasant situation and lost the game, while for example 34..Kg7 just lost a pawn, at least at a first glance.
Sep-10-11  superstoned: @ <egilarne>: Section on "Dragging the King Out" in ct-art 4.0
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