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Nicolas Rossolimo vs Gabriel Wood
Southsea (1949), Southsea ENG, rd 8, Apr-21
King's Indian Defense: Normal Variation. Rare Defenses (E90)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Jan-29-06  jackpawn: Okay, I'm half asleep, but I found the same solution as everyone else, beginning with Rc7+. I will be curious to hear CG explanation about this.
Jan-29-06  kidster: 87 moves and there are still queens and rooks on board.
Jan-29-06  karik: <themindset>, I guess you're right. 72. -Qb8 explains a lot.
Jan-29-06  karik: Sorry, I meant 73. -Qb8 instead of Qg8
Jan-29-06  Zaius: 80. Rc7+ is a forced mate in Fritz

It is infinitely better than 80. f4

Jan-29-06  Averageguy: <But otherwise I got the same line as you. Anyone care to post why it doesn't work?> Sorry for posting that, I hadn't read up on the earlier kibitzing.
Jan-29-06  erimiro1: <chessgames.com> We are waiting for your explanations. One of them can be- sheer laugh. Did anyone see what went on on this strange game? From move 51 to 65 Mr. Wood was busy moving his queen from d8 to d7 and vice versa. Mr. Rossolimo, on the other hand, made circles with his king, digging the f1-g2-e2-e1 squares on the board (probably they had to replace the board after the game). Did they try to do a waltz?
Jan-29-06
Premium Chessgames Member
  chessgames.com: In our opinion this is a wonderfully deep puzzle, but unfortunately the score of the game is wrong. We've checked with other online sources and the all have the same score as above, including 73...Qg8?? which loses at once. Both players were extremely strong and would not trade blunders like that.

We are going to repair the game now and the position on the homepage will change to this:


click for larger view

Where 80.f4!! is not only a winning move, but to our knowledge the only winning move.

We apologize for the error, but are thankful that we now are the only online source where you can witness this game as it was actually played.

Jan-29-06  ckr: Original position previous posts were working from:


click for larger view

Jan-29-06
Premium Chessgames Member
  chessgames.com: Thanks ckr, that should save some confusion.
Jan-29-06  euripides: Black sits tight for fifty moves and then lunges with 66..a4. Three possible interpretations: he lost patience: he missed or underestimated 68 Nxd6 and thought he had an attacking chance: or he thought White was finally threatening to do something with b4. Any takers ?
Jan-29-06
Premium Chessgames Member
  Benzol: I suppose it's possible that the original gamescore was written in English Descriptive notation and had Black's 73rd move as 73...Q-N1 without specifying whether it was Queens Knight One or Kings Knight One. Someone subsequently might have just assumed it was Kings Knight One without checking properly.

Jan-29-06  ckr: <Benzol> a common mistake even when it is correctly scored as Q-QN1.

<CG> Glad you found the correction, now I can remain a patzer.

Jan-29-06  EmperorAtahualpa: LOL, obviously there was a huge difference between the two positions.

80.f4 is a brilliant move, which I did not spot at all. Better luck next Sunday.. :s

Jan-29-06  notsodeepthought: <cg.com: we now are the only online source where you can witness this game as it was actually played.> See? The annoying criticism from puzzled kibitzers was all to the good in the end.
Jan-29-06  psmith: I don't know if this should be called a puzzle. Or at least, to really "solve" it you surely have to see a lot. Black's moves don't all seem forced and there seem to be several chances for a better defence after 80. f4. For example, how does White force a win after 81...Qf8?
Jan-29-06  LIFE Master AJ: Good play by Rossolimo.
Jan-29-06  joeaverage: Why did black play 80...Rba7?
Jan-29-06  Juarez: 80.Rc7- RXC7 81.RXC7-QXC7 82.QC6-QXC6 83.dxc6 Ke8 after that am lost.
Jan-29-06  psmith: First, in reply to my own comment, I set Old Fritz (5.32) to thinking about 81... Qf8 and the conclusion seems to be that white has a plus after 82. Qe3. But there are many lines.

Second <joeaverage> 80. f4, it seems that taking the pawn either way is bad. So the question is what Black should play instead of 80...Rba7. He has to move, after all (it's not exactly zugzwang, but similar, I think).

Jan-29-06  vangelis: This is just a test... wonderful page
Jan-29-06  psmith: <joeaverage>
So, the question is, what should Black do after 80. f4!!

If he takes the pawn 80... exf4, 81. Qxf6 wins.

If he takes the pawn 80... gxf4, 81. Qh3 followed by g5 is going to crush him: 81... Qf8 82. g5+ f5 83. exf5 Kd8 84. f6 Rd7 85. Qc3 Ke8 86. Rc8+ etc (Fritz) or 81... Kd8 82. g5 fxg5 83. Qe6.

So, he can't take the pawn. He has to keep his Queen and Rook covering c7, so random Queen moves like 80... Qf8 are out.

He needs to keep his Queen and his Rook on his first rank, in order to meet 81. fxe5 fxe5 82. Qf3 with 82...Qf8. (If he moves 80... Qa7 or 80... Raa7 he will have no defense to this line.)

He can't move his King to the first rank without causing the same problem (blocking ...Qf8) and if he moves 80...Ke7 he leaves open 81. Rc8 winning.

So the main alternatives are 80...Rba7 (as in the game) and 80...Qd8.

So, what about 80...Qd8? This is met by 81. fxe5 fxe5 82. Rxd6+! (Fritz) Kxd6 83. Rc6+ Kd7 84. Qxe5 with a winning attack. (This is still complicated but analysis with Fritz shows it to be winning.)

So, Rba7 is virtually forced!

Jan-29-06  dakgootje: Well i saw the first move, but didnt see blacks response so calculated wrong right after the first move
Jan-29-06  JoeStrummer: Got the idea, but couldn't see anything positive in moving the pawn chain.

Does this position remind anyone of the games you would have against the chess computers (software and standalones), say, ten or fifteen years ago? These positions were very common, before the computers got strong enough to open the game up at an opportune moment. you would just block the position with pawn, pile on an open file, and then maneuver your king or Knight to the correct place for a sac, then break through. The old computers weren't strong enough to understand the sublte movements of a Knight or Bishop making a long journey to another part of the board for a breakthrough. Today's position reminds me of a lot of those games against the early chess computers.

Jan-29-06  Cogano: Alas, I didn't get it, but love the ending. It is most beautiful & brilliant. Many thanks to chessgames.com for bringing it to my attention. Take care all and have a great day. Cheers!
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