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Ivan Sokolov vs Vassily Ivanchuk
Corus Group A (2006), Wijk aan Zee NED, rd 2, Jan-15
Queen's Indian Defense: Kasparov Variation (E12)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-15-06  Karpova: Ivanchuk taught him the basic principles of pawn endgames
Jan-15-06
Premium Chessgames Member
  Ron: 'Triagulation' in the endgame by Ivanchuk
Jan-15-06
Premium Chessgames Member
  cu8sfan: Still, wasn't there a draw somewhere? Take a look at the position after 68.♔c2.


click for larger view

My endgame encyclopedia states: "From the attacker's point of view, the following rule is helpful: the position is won if at least two of the following three criteria are fulfilled:

a) King in front of the pawn.
b) Opposition.
c) King on the 6th rank.
" (Müller/Lamprecht, Fundamental Chess Endings).

In the position above only one of these three criteria are fulfilled (King in front of the pawn). So wasn't there a way for White to draw?

Jan-15-06  aw1988: <cu8sfan> But the extra pawn makes the difference.
Jan-15-06
Premium Chessgames Member
  cu8sfan: But it's a rook's pawn. I just don't find the right sequence. From the final position here's how I'd continue: 74.Kc2 Kc4 75.Kc1 Kb3 76.Kb1 and now if 76...c2 then 77.Kc1 Kxa3 78.Kxc2 1/2-1/2 and if 76...Kxa3 77.Kc2, O! I see!


click for larger view

I moved 77...Ka2 here which ends in a draw but 77...Kb4 doesn't.

Jan-15-06
Premium Chessgames Member
  cu8sfan: It never hurts to repeat your pawn endgames. (-;
Jan-15-06
Premium Chessgames Member
  offramp: 59...Kd7! Zugzwang.
Jan-15-06  Snow Man: IVANCHUK IS A FREAK!!! I thoroughly enjoyed this game.....Good show! (golf clap)
Jan-16-06  Propayne: Why does Sokolov make the move 55.Ke2 isn't 55.Kc3 a lot better of a move so he can protect his pawn.
Jan-16-06  nescio: <Propayne: Why does Sokolov make the move 55.Ke2 isn't 55.Kc3 a lot better of a move so he can protect his pawn.>

Assuming that you mean 66.Ke2, White still cannot protect his pawns after 66.Kc3 Ke3 (67.Kc2 Kd4 is similar to the game and 67...Ke2 also wins easily).

Jan-16-06
Premium Chessgames Member
  Mateo: Maybe 28. Rd1 may be better (instead of 28. e4?!). If 28... Re3 29. Ng8 gives White some counter play. Maybe 28. h4!? should be also considered.
Jan-16-06  nescio: <Mateo: Maybe 28. h4!? should be also considered.>

The idea being 28.h4 Rxe3 29.Rxf5! Yes, I think White is better then, and Black's bishop on a6 is still doing nothing. The best answer may be 28...Rb2.

Jan-20-06
Premium Chessgames Member
  Richard Taylor: < cu8sfan: It never hurts to repeat your pawn endgames. ( > I know where you are coming from -these kinds of endings seem so easy and yet I (or anyone) can go wrong very easily in these - you mind is on the usual draw with the rook pawn so you move mvoes to make it happen - I thnk that someone defending here in an actual game -hoping to find a defence or for there to be a slip - would be likely -or could - think he/she might draw -it's a kind of wishful thinking - as the defender is looking for all possible defences or ways to escape. Good to be thorough on these end games.
Feb-27-06
Premium Chessgames Member
  patzer2: After 28. e4?, Black sets a pin with 28...Bb7! , which proves to be the difference in the game. As <Mateo> and <nescio> have observed 28. h4!? = was a better idea.
Apr-01-06  EmperorAtahualpa: What is the use of 9.c6?
Jan-27-07  mrbiggs: <cu8sfan>, that's a tablebase win for black.
May-04-16
Premium Chessgames Member
  Peligroso Patzer: <EmperorAtahualpa: What is the use of 9.c6?>

I believe the idea was to force the exchange of Black's DSB on a5 after 9. ... Bxc6 10. Qc2, since here Black has no better way to respond to the threat of 11. b4 than to play 10. ... Bxc3.

Ivanchuk, of course, avoided this little positional trap by capturing differently with 9. ... dxc6! (a novelty when this game was played). He thus was able to keep his DSB, which proved to be a very strong piece through the further course of the game until he finally exchanged it to transition into a winning pawn ending with the sequence at moves 59-63.

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