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Judit Polgar vs Antonio Antunes
Olympiad (1996), Yerevan ARM, rd 4, Sep-19
Sicilian Defense: Old Sicilian. Open (B32)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Jan-19-06
Premium Chessgames Member
  jahhaj: Easy to see that Nb3+ wins, but to solve this correctly you have to know that the b pawn cannot be taken en passant. When I first looked at the position I just assumed that it could. 20...axb3 would be just as strong a continuation as 20...Nb3 but I chose 20...Nb3 since it seemed more forcing. I never considered that 20...bxa3 might not be legal.
Jan-19-06  SamuelS: <HelaNubo>, I agree that seeing 22...a3 was necessary or else there is no point is sacrificing the knight. But, in addition, I think it was necessary to see that the pawn could not be stopped without giving up the rook, thus winning an exchange.
Jan-19-06  EmperorAtahualpa: I was on the right track, but I didn't solve it....

I was thinking of 20...Nb3+ 21.axb3 Rxc1 22.Rxc1 axb3?? while 22...a3! is much better.

Jan-19-06  awfulhangover: Got it. Easier than yesterday's puzzle!
Jan-19-06  Koster: I saw the idea, thought about taking the b pawn but of course the pawn needs to queen a1 to take advantage of the bishop.

<White has to be credited with putting up a good fight to the bitter end.>

Polgar fans are incredible. Anyone else would get ripped for not resigning a lost position.

Jan-19-06  Hudson Hawk: I agree with <all> who said that this did seem easier than yesterday's puzzle, although that was a bit of special case. Always nice to start getting more and more Thursday puzzles... to bad I don't seem to solve them OTB.
Jan-19-06  prinsallan: <Richard Taylor> I bet she missed the knightmove, but can you see any clear refutation to my 20 bxa?

It sure must be better than the textmove.
Hope to get an answer next week since I go on long-weekend now :D

C U all monday.

Jan-19-06  DanRoss53: I got a little too excited and thought 20... ♘b3+ 21. axb3 a3?? -- White now has the option of 21. ♖a1! making the exchange (eventually) a Knight a Bishop and a pawn for a Rook instead of a Knight and a Pawn for a Rook. I lose!
Jan-19-06
Premium Chessgames Member
  beenthere240: I thought 26. Bc6 was amusing and showed a lot of imagination in a lost game.
Jan-19-06  NBZ: after 20. bxa4 Nxa4 Black's pieces are storming the queenside and the situation looks dangerous for White. Instead, 20. Bxc5 first removes the dangerous knight leaving opposite-coloured bishops on the board, though with 20. ... axb3! Black gets a nice initiative anyway.
Jan-19-06  Hudson Hawk: <beenthere>I thought about that too. I thought it was pretty funny that she tried to get back in the game with the same kind of sac that got her into to trouble, but alas it wasn't forced for black.
Jan-19-06  Cogano: Hi folks. Unfortunately, I keep making the same mistake of assuming that just because it is a puzzle, I'm supposed to look for a mating line. That's the way the weekly paper chess puzzles are here and I guess I'm still too used to that. Anyway, I got the Nb3+ & the Rxc1, but I couldn't continue after that (my mind was concerned with finding a mating line, not a winning position courtesy of a passed pawn!). Oh well, too bad. I'll hang in there just the same. Take very good care all and have yourselves a most joyous day, every day. Cheers!
Jan-19-06  psmith: I think that Polgar had good drawing chances with 34. Kd2! instead of 34. dxe6.

For example: 34. Kd2 Rb3 35. Bc6 Rb2+ 36. Kc3 Rb1 (not 36...Rxg2? 37. b6 Rg1 38. Ba4 Rb1 39. Bb3 winning) 37. Kc2 Rb4 38. Kc3 and how does Black win?

Anyone care to disagree?

Jan-19-06
Premium Chessgames Member
  kevin86: I liked the key:the secret was to shepherd the a pawn down to win the white queen rook.The ending was a bit of a struggle with black being up an exchange for a pawn-but he was able to carry out the win.
Jan-19-06  YouRang: I actually got this pretty fast. :)

<Thought process>: As soon as I noticed the black bishop bearing down in the a1 square, I considered that it might be a promotion tactic.

With that in mind, it was easy to see that black could unblock his a-pawn with 20...Nb3+!, which also paves the way for black to exchange rooks, making the promotion unstoppable.

Effectively, black wins the exchange, and continues to play a fine game to convert his advantage.

Jan-19-06  dakgootje: Hate to write short, pretty worthless posts but beware because this is gonna be one:

Got it -.-

Jan-19-06  Cogano: <dakgootje> there's nothing wrong with being direct and concise. Cheers!
Jan-19-06  Curtis Mayfly: Made most people happy, didn't it. Me too.
Jan-19-06  chessic eric: bagged me a thursday...not quite enough to stuff and hang on the wall though. I'll save taxidermy for weekend puzzles...
Jan-19-06
Premium Chessgames Member
  Richard Taylor: < beenthere240: I thought 26. Bc6 was amusing and showed a lot of imagination in a lost game. > Yes and Black did right not to take the B.
Jan-19-06
Premium Chessgames Member
  Richard Taylor: <prinsallan: <Richard Taylor> I bet she missed the knightmove, but can you see any clear refutation to my 20 bxa? It sure must be better than the textmove...C U all Monday> Have a good weekend! I think there is no "refutation" as such - it probably loses a pawn after 20. ...bxa4 Rxa4 21. Rc2 (when 21..Rxc2 doesn't work) 21. ... Rca8 22. Bc4 Rb4 and so on or maybe 20. ... Nxa4 with a slight advantage to Black perhaps.

All players - "Super GMs" included -make miscalculations.

Jan-19-06
Premium Chessgames Member
  OhioChessFan: Polgar should have resigned much earlier.
Jan-19-06  likestofork: <psmith> Sure. I'm a disagreeable person.

34. Kd2 Rb3 35. Bc6 Kf8 (instead of checking with the R at b2) 36. Kc2 Ra3 37. Kb2 Ra5, and I suspect that Black has time to meander the King over to the Queen's side, and the c7-b8 squares. At that point the Rook will free up to do that voodoo that he do, so well (that's Hedley).

I agree with you that 34. Kd2 certainly puts up a fight, and I'll even concede drawing chances for White, but I believe that Black has a winnable position (no rhyme).

Jan-20-06  psmith: <likestofork> I believe you are right. I didn't look far enough into the position, but thought it was worth a try.
Jan-23-06  prinsallan: <Richard Taylor> Thanks m8, feels better now, however I did not have a great weekend... Our water has frozen ;(

It will probarbly take several weeks before we have running water at home now since we live far out in the countryside.

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