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Michael Adams vs Jaan Ehlvest
39th World Open (2011), Philadelphia, PA USA, rd 4, Jul-02
Sicilian Defense: Nezhmetdinov-Rossolimo Attack. Fianchetto Variation (B31)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jul-04-11  THE pawn: I really don't see why Black didn't take the knight with 23...exd4.

The best I see is 23...exd4 24.Qxd4+ Nf7 25.Rxe7 Qa6 26.Qxa6 Rxa6 and black will easily block the doubled pawns on the a-file, a piece up.


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Jul-04-11
Premium Chessgames Member
  perfidious: <THE pawn> White didn't offer the sacrifice to reach such a position: in the line you propose, it's far stronger to play 26.Qa2, with the aim of augmenting pressure against f7.
Jul-04-11  THE pawn: I respectfully disagree, I really don't see how white can profit from this increase in pressure as black can just carry on white is own plan with 26...Qxa5 and what after for white? He really has to defend with 27.Rc4. It would have been a different story had the bishop been light-squared but I think Ehlvest slept on that one ;)
Jul-04-11  Chicago Chess Man: <thepawn> maybe i'm missing something but why, in perfidious' line of playing 26. qa2 followed by your suggested followup of 26...Qxa5, would white play 27. Rc4? Why does white "really" have to defend a pawn when he could play 27. Rc7 with a crushing attack on the black position?
Jul-04-11
Premium Chessgames Member
  perfidious: <THE pawn: I respectfully disagree, I really don't see how white can profit from this increase in pressure as black can just carry on white is own plan with 26...Qxa5 and what after for white? He really has to defend with 27.Rc4....>

White doesn't have to defend here-he should simply carry on with 27.Rcc7, when his threats against the king are more important than holding onto a4. If 27....Qxa4, 28.Rxf7 threatens mate, and the best I see is 28....Rg8 29.Qe6, when White has both a material advantage and the attack.

Jul-04-11  Everett: Well, I'm now curious what Adams was considering to play in the case of 23..dxc4 24.Qxc4+ Nf7. There are quite a few possibilities, actually, Bb4, Re6, Qb5, etc. Perhaps Adams was looking for Q-side bind. Even after 25.Rxe7 Qa6, white can again play Bb4, Qb5 and some others. Black may indeed be better in all lines, but there is some interesting play.
Jul-04-11  Everett: <perfidious> your line looks quite convincing.

Upon further review, my previous suggestions are garbage. Ho hum.

Jul-04-11  THE pawn: I'm sorry guys, but for once( HAHA!) I think I'm actually right on this one: If like <perfidious> said after 27.Rc7 then simply 27...Qxa4 with threat of mate with Qd1+. White has to move a pawn, say 28.g3, and then 28...Qxa3 and white is without ressources: (position before g3)


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Jul-04-11  Everett: <ThePawn> You are absolutely correct with the position you posted. Unfortunately your position is not correct, and your line is untenable because White has luft already, with 18.h3

I've done the same thing many times. It hilights how one small change changes the position.

Jul-04-11  Chicago Chess Man: <thepawn> yes you really shouldn't put (HAHA) unless you've double-checked everything....must be awkward now......
Jul-05-11  THE pawn: And that my good chess friends, is called chess blindness. Another lesson learned today. Screw my life :P By the way the HAHA was aimed at my own forced pretentiousness, I really didn't mean to offend anyone ;)
Jul-05-11  Chicago Chess Man: <thepawn> i was just giving you a hard time. no worries!
Jul-11-11  hedgeh0g: Worth noting is that in the critical line, after 26.Qa2!, 26...Rac8 can simply be answered by 27.Rcc7! and Black loses the exchange.

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