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Laszlo Szabo vs Ratmir Kholmov
Leningrad (1967)  ·  Nimzo-Indian Defense: Normal Variation. Gligoric System Exchange at c4 (E54)  ·  0-1
To move:
Last move:

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-27-05  dasp3edd3m0n: Niiice..I got the full combination =)
Aug-27-05
Premium Chessgames Member
  jahhaj: Easier than yesterday. Black's options were very limitted because of the threat of g7.
Aug-27-05  krippp: <56 ... Nf3 57. Bf1 Ne1 58. Kb3 c2> doesn't seem to be winning.

After <59. Rb6+ Kd5 60. Rb5+ Kc6> (if the king goes anywhere else, the white rook can take control of the c-file or the white king can go to b2.)

So now white plays <61. Rb4>, ready to fork the king and the promoted queen. There's nothing black can do, and the position is a draw after the queen and rook have been traded away from the board. Or maybe black could promote a knight with check to prevent the fork, but I won't go into that.. The game still seems to be drawn after that.

Aug-27-05
Premium Chessgames Member
  jahhaj: Tricky analysis <krippp>. Black does have another option however, 56...Nf3 57.Bf1 Ne1 58.Kb3 c2 59.Rb6+ Kd7 60.Rb7+ Kd8 61.Rb8+ Bxb8 62.g7 c1=Q 63.g1=Q+ which I expect is won for Black.
Aug-27-05
Premium Chessgames Member
  jahhaj: <trippp> Plus it's not clear that the ending after 56...Nf3 57.Bf1 Ne1 58.Kb3 c2 59.Rb6+ Kd5 60.Rb5+ Kc6 61.Rb4 c1=Q 62.Rc4+ Qxc4 63.Kxc4 is really drawn. It's a very difficult position but Black certainly has winning chances.
Aug-27-05  krippp: <jahhaj> While <60. Rb7+> certainly shows fighting spirit, I'd still go with enforcing the draw by <60. Bb5+> followed by <61. Rc6>. I can't see how black can win the game after white's rook has taken the pawn at c2, followed by Nxc2 Kxc2.

And the reason why I think the position after my previous analysis is a draw is because all the pieces are pinned to something. The black bishop to the a1-h8 diagonal to stop the passed pawn, the black king has to flee to a8 or b8 to stop the passed pawn, the white bishop needs to guard the f1 square, and the black knight can't really do anything alone. Of course I may have missed something, but right now it seems like a draw.

Aug-27-05  The beginner: I dident get this one. i could not see a way to win after Bf1.

<Krippp>

Interesting and maybe you are right. can someone show a way to win after the defence from krippp ?

<Jahhaj>

But in your variation, White may play 60 g7 so after

59 ..Kd7
60 g7 ..Bxg7
61 Bb5+ .. king moves
62 Rc6

It seems this leads to the same kind of unclear position it may very well be a draw or how would black win it ?

Aug-27-05  Pretzel Logic: Defeated again by the Friday puzzle, sigh.....
Aug-27-05
Premium Chessgames Member
  kevin86: One pawn made of iron,the other of steel.

If the right one won't get ya',then the left one will.

Aug-27-05
Premium Chessgames Member
  pittpanther: Following up on <jahhaj's> analysis of <trippp's> comments, after 56...Nf3 57.Bf1 Ne1 58.Kb3 c2 59.Rb6+ Kd5 60.Rb5+ Kc6 61.Rb4 c1=Q 62.Rc4+ Qxc4 63.Bxc4 can't white play the knight to f3 and then h2 followed by queening the pawn to win white's bishop and then winning the Bishop and Knight ending? Seems like a plausible winning strategy.
Aug-27-05
Premium Chessgames Member
  jahhaj: <krippp> How about 56...Nf3 57.Bf1 Ne1 58.Kb3 c2 59.Rb6+ Kd7 60.Bb5+ Ke7 61.Rc6 Nf3!. If White plays 62.Rxc2 Nd4+ wins a whole rook, if 62.Kxc2 Nd4+ 63.Kb1 Nxb5 64.Rc1 Nxa3+ looks winning to me.
Aug-27-05
Premium Chessgames Member
  jahhaj: <pittpanther> That would be a winning plan, but it's not as easy to implement as you suggest. White has to somehow defend his f pawn and fend off the White g pawn as the same time as executing that plan. For instance simply playing 63...Nf3 64.Kd3 Na2 65.Ke2 doesn't work.

I suspect the ending is won, but it's not easy to prove. There are lots of tricky tactics and subtleties.

Aug-27-05
Premium Chessgames Member
  pittpanther: <jahhaj> In the line you quoted "For instance simply playing 63...Nf3 64.Kd3 Na2 (Nh2 I think) 65.Ke2 doesn't work." Black can play 65 ... f1=Q because the white bishop on c4 does not cover the f1 square due to the king being on e2.
Aug-27-05
Premium Chessgames Member
  jahhaj: <The beginner> That's very subtle, by giving up a pawn White's pieces can improve their positions before the Nf3 move that I gave in response to <krippp>'s line. But White is giving up one of his main assets in the position.

Say 56...Nf3 57.Bf1 Ne1 58.Kb3 c2 59.Rb6+ Kd7 60.g7! Bxg7 61.Bb5+ Ke7 62.Rc6 Nf3 63.Rc7+ Ke6 64.Ka2. I have no idea.

Aug-27-05  snowie1: It's refreshing to note that several didn't get this one! I'm a Knight-Owl_ and I didn't get this one. Lazlo demonstrates in this game the relative value of pieces; N vs B PLUS R!!!? In the end, the two dynamics that settled this game were a) the position dictates the value of each piece and pawn!! b) having pawns in two quadrants of the board was also a determinant.
Aug-27-05
Premium Chessgames Member
  jahhaj: <pittpanther> Yes I meant Nh2. But also in the line I was talking about the bishop is still on f1. I missed that you had written 63.Bxc4, I think 63.Kxc4 is better.
Aug-27-05  bomb the bishop: What would black have done, if white would have played 23. exf6?
Aug-27-05  Koster: 23 exf6 Qe5 is good for black.
Aug-27-05  Koster: Maybe szabo was in time pressure but unfortunately 56. Bd3 was the worst sq on the diagonal. Not clear if white can win anyway. many endings trade down to R vs N with no pawns, but at any rate he shouldn't lose.
Aug-27-05  silentmoon128: instead of advancing the pawn why not
57. Rf7
Aug-27-05  EmperorAtahualpa: <silentmoon128> if 57.Rf7, then 57...Ne1+ 58.Kb3 Nxd3 59.Rf3 Ke6 60.Kc4 c2 61.Kxd3 c1=Q leading to a decisive Black advantage.
Aug-27-05  sharpnova: easy. 10 nanoseconds
Aug-27-05  aginis: < Kripp jahhaj & co.> 56...Nf3 57.Bf1 Ne1+ 58.Kb3 c2 59.Rb6+ Kc5 60.Rb5+ Kc6 61.Rb4 c1=Q 62.Rc4+ Qxc4+ 63.Kxc4 Kd6! 64.a4 Ke6 65.a5 Kf6 66.a6 Bb8 67.Kb5 Ba7 68.Kc6 Kxg6 69.Kb7 Be3 70.a7 Bxa7 71.Kxa7 I had a sneaking suspicion that this position was a win for black. I envisioned a position with the black N on f4 and the black K on e1.
Aug-27-05  aginis: <continued from above> 71...Kf5 72.Kb6 Ke4 73.Kc5 Here I got stuck because i couldn't see how to stop Kc4-c3 and eventually Kc2-d1 so I checked the tablebase. 73...Nc2!! 74.Bg2 Ke3 75.Bf1 Kd2 76.Bh3 Ke2 77.Bd7 Kd3 78.Bb5+ Kc3 79.Bf1 Ne3 80.Bb5 Nf5 81.Bf1 Ng3 82.Bg2 Ne2 83.Kd6 Nf4 84.Bf1 Kd2 85.Kc5 Ke1!! Finally the position i had originally wanted.

86.Bb5 Ne2

of course, it was
<easy. 10 nanoseconds>

Aug-28-05
Premium Chessgames Member
  jahhaj: <aginis> Well I'm convinced. I agree the ending after move 71 is won for Black (who can argue with tablebases?) so to save the game White has to find a better plan than pushing his a pawn. I don't see one.

Nice analysis, I'd looked at the NP vs B ending and just thought 'Nah!'.

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