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Vladimir Kramnik vs Kiril Dimitrov Georgiev
Olympiad (1994), Moscow RUS, rd 6, Dec-06
Slav Defense: Czech. Wiesbaden Variation Sharp line (D17)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-23-06
Premium Chessgames Member
  Phony Benoni: The attack does not win a piece; White has a extra piece for three pwans in the initial position. Instead, the combination wins a pawn and heads for the ending.
Aug-23-06  ReikiMaster: At first 25...Na6 seems sufficient as Be2 is pinned. 27.Qe7 is the key move in regaining the piece as 28.Rxa6+ bxa6?? allows 29.Qa7#.
Aug-23-06  maxfrank: <eaglewing> In your B line, wouldn't 28 Bd3+ Kb8 29QxQ etc. be the Kramnik way to win, as in the game?
Aug-23-06  eaglewing: <maxfrank> Maybe winning the Knight and then exchange of Queens would be Kramnik's choice.

But here, in the B-lines one can opt for stronger material advantage than 2P vs B, which would make me more confident to win (even if it takes longer). Kramnik might just see that this position R+B vs R plus pawns is an easy endgame for him, I do not.

Aug-23-06  JustAFish: This was a tough one. 24 Nb6+ was fairly easy to see as it created an open line to black's king. the follow up ... Na6, blocking, was also easy. I think, to truly call this one "got" one has to have seen all the way to 27 Qe7 and 28 Rxa6.
Aug-23-06  MiCrooks: I think it is funny...Fritz thinks that Nb6+ is the 5th best alternative, while Ra1 is 4th. Against Ra1 I have seen Re8! mentioned but that is not best as it leads only to a draw after Nb6. a6 giving the King a flight square is winning for Black with Re8 coming.

Fritz likes Qe4 best, which is fine. Part of this is simply horizon effect however, as after Nb6+ axb6 axb6 Na6 Ra1 Fritz sees that he is winning, but it is not clear that the resulting position is any easier to deal with than what comes after Qe4. For instance, Nd5 Rh1 Black will be possibly trading Queens and dropping a pawn back as well.

I would guess Kramnik chose the line he did because it was forcing and lead to a position that he knew he could win.

Aug-23-06
Premium Chessgames Member
  beenthere240: White was already up a bishop vs 3 pawns when the combination began and ended with an extra bishop vs 2 pawns. IMO it was basically a simplifying combination that picked up a pawn and ended any hope black had of an attack against the exposed white king.
Aug-23-06  Marco65: I stopped after 26.Ra1 Qb2, thinking this was another spoiler. Now I realize that 27.Qe7 is decisive against that as well. A quiescence error.

Rather difficult for Wednesday anyway.

Aug-23-06
Premium Chessgames Member
  YouRang: LOL - I saw it up through 25...Na6, and considered 27. Ra1. But I didn't see how this led to a winning attack.

What I failed to notice was that White was already up a piece (for 3 pawns)! The point of this maneuver was just to nab a pawn and go into the endgame with a piece for 2 pawns advantage.

So it really didn't lead to a winning attack - just a winning (or at least superior) position.

Aug-23-06
Premium Chessgames Member
  kevin86: Of course there is a twopenny queen sac:25 axb6 ♘xe6 26 ♖a1# in much the same way that 28 ♖xa6+ is a rook sac
Aug-23-06  blingice: I was strongly considering Nb6, but I didn't see any quick win after black protected with Na6. But then I thought (incorrectly) that a6 may win as well. One of the few puzzles in a while that has been interesting/helpful to me though, and that's good.
Aug-23-06  Fezzik: Anyone who's seen Morphy's only puzzle would have seen 1.Nb3+. The hard part was realising just how strong it was even after 2...Na6. This was a pretty hard puzzle for a Wednesday.

I don't know how many players rated under, say, 2300 would have been able to score the full point against Georgiev even after 1.Nb6+! Georgiev forced Kramnik to play on for quite a few moves before resigning.

Aug-23-06  Trouble: Nice problem
Aug-23-06
Premium Chessgames Member
  patzer2: Kramnik uses an unusual pinning combination with today's puzzle solution 24. Nb6+!! to temporarily sacrifice the Knight and then win the piece back due to the pin and the threat of mate after 27. Qe7!
Aug-23-06  BishopofBlunder: Although I missed this by a mile, I would like to see more puzzles like this. I am a tactical player by nature and my positional game could use alot of help.
Aug-23-06  Tariqov: What happens after 1.Nb6+ab 2.axb6Rh8??
Aug-24-06  eaglewing: <Tarigov> You seem to have a point with 24.Nb6+ ab 25.axb6 Rh8:

I see nothing better than 26. bc Qxc7 27. Rd7 Q-move 28. Rxg7 (if Qc8 Qa2+ Kb8 Rxg7) to get a pawn out of the combination, but with Queens and Rooks still OTB it would be Blacks best chance.

Does anybody see a better line?

Aug-24-06  Kingdom NL: Maybe 24 Nb6+ axb6 25. axb6 Rh8 26. bxc7 Qxc7 27. Ra1+ Kb8 28. Qa2 with a winning position?
Aug-24-06
Premium Chessgames Member
  YouRang: <Tariqov: What happens after 24 .Nb6 axb6 25. axb6 Rh8??>

I'm not sure it changes anything really. White can still play 26. Ra1+:

If 26...Na6
27. Qe7 Kb8 (27...Qb7 28. Bxa6 )
28. Rxa6
And Black has nothing better than 28...Qe5 (trade queens) which pretty much takes us back to the original line.

If 26...Kb8 (probably best)
27. bxc7+ Qxc7
28. Rd1 (threatening 29. Rd7)
And either Black must trade queens (28...Qe5) again leading to a similar ending, or White will start eating black pawns after 29. Rd7 or 29. Qe7.

Aug-25-06  eaglewing: <Kingdom NL> Is 24. Nb6+ axb6 25. axb6 Rh8 26. bxc7 Qxc7 27. Ra1+ Kb8 28. Qa2 really winning after a running King 28. ...Kc8?

You could force Queen exchange with Qa8, but compared to the game the Pawn b6 is already gone. Or try to attack Kc8 with the bishop, maybe that is fine, but you need to find a place for the King after:

28. Qa2 Kc8 29. Bc4 (g5 f5/Bd3 g6) Qh2+

<YouRang> Following your 26. Ra1+ Kb8 line (27. bxc7+ Qxc7 28. Rd1), I do not see why Black could not respond here with Rhd8? Compare my answer to <Tarigov's> 25. ...Rh8, it grants Rd7 and a pawn, but I would still like to see something better.

Aug-25-06  Kingdom NL: @ Eaglewing I used a ? in my previous post cause Im not sure it winning :-)

But what about: 24. Kb6+ axb6 25. axb6 Rh8 26. bxc7 Qxc7 27. Ra1+ Kb8 28. Qa2 Kc8 29. Qa8+ Qb8 30. Ra7! Kc7

(30..Kc7 is forced otherwise 31. Ba6! bxa6 32. Qxc6+ Kd8 33. Qd7 checkmate)

31. Rxb7+ Qxb7 32. Qxh8 this is an interesting ending can black make this a draw? Please feel free to give comment :-)

Aug-28-06  eaglewing: <Kingdom NL> It seems to me that your move 30. Ra7, while interesting, does not force Kc7 and the win of the b-Pawn, because Black could respond by defending via Re8 (or Rd8). On Ba6 just defend with Re7 (or Rd7, I'm unsure, which line is better). Then, I don't see a move-order to win the Pawn b7, which is thrice attacked and defended. And pulling back from the corner-crowded-position shouldn't give a better position than other already mentioned options. But maybe I overlooked something?
Aug-28-06
Premium Chessgames Member
  YouRang: <eaglewing> You're right, 29...Rd8 is Black's best reply to the line I proposed, so I would conclude that <Tariqov>'s 25...Rh8 is an improvement.

Still, I think White ends up better in any case. Even in the line I proposed, White can probably simply to an ending with K+B+2P vs K+5P.

Even so, I think White is better. The light-square bishop, supported by pawns on light squares is an excellent blocker of black pawns and protector of White pawns. The bishop can usually give the White king the tempos it needs to go after the black pawns, creating zugzwangs against the Black king.

Dec-02-09  ToTheDeath: Kramnik gave the trap 34...Rg5! 35.Be2 cxb4 36.Rxg5?? (36.Rxb4 is correct) fxg5 37.Kb3 h5! as a theoretical draw. White cannot make progress with his remaining pawn.
Oct-15-10  Blunderdome: This is a wild one.
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