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Magnus Carlsen vs Vassily Ivanchuk
M-Tel Masters (2009), Sofia BUL, rd 3, May-15
Slav Defense: Modern Line (D11)  ·  1/2-1/2
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 7 OF 7 ·  Later Kibitzing>
May-15-09
Premium Chessgames Member
  Domdaniel: <scuba> I thought ...g5 looked best too -- but one reply is g4 and then Kg3. It may still be drawn, though. White needs to activate his king, which is not straightforward.
May-15-09
Premium Chessgames Member
  Mateo: <BadKnight: dumb question: rook ending with four pawn in one wing, one extra pawn on the other wing - is this ending won for white?> It depends of the position of the Rooks most of the time. This one shouldn't be won for White.
May-15-09  achieve: B-pawn very important. Evals less important. Equal??

Think, do not read evals, what's the use.

*click*

May-15-09  BadKnight: <Mateo> i remember reading dvoretsky's endgame manual saying that all thes types of rook and pawn ending are extremely hard to defend, and equally hard to convert against tough resistance. in most positions he did not dare to draw final conclusions.
May-15-09  achieve: The b4-pawn may just be far enough away for a win.

Black will be in for a tough defence.

May-15-09
Premium Chessgames Member
  whiteshark: - b-pawn is not advanced so far.
- White's King is not active (on the edge)
- Although 4:4 pawns tend to favour the superior side, - I think Black can create at least one weak pawn in the white camp.
May-15-09
Premium Chessgames Member
  keypusher: Courtesy of <whiteshark>, here are some b-pawn endings to study. :)

Game Collection: 06_extra passed b-pawn in R+4:3||

May-15-09  dotsamoht: <Eyal: <Was 41...Rb6 hopeless?> Maybe not, but it's very passive. In rook endgames it's usually better to give up a pawn and keep the rook active.>

Yeah, I was a little worried about 41...Rb6 for that reason. But to give MC a free pawn? It was a tough choice...

May-15-09
Premium Chessgames Member
  vonKrolock: 46.<♖xb4> Now the immediate g7-g5 looks actually as the best chance for black...
May-15-09
Premium Chessgames Member
  Eyal: <46.Rxb4 And then ...Rb2; White won't be able to free his king without g3-g4, or else he can swap "b" for "f" pawn and enter an endgame of 3 vs 2 pawns on the same wing, which is drawn. 46...g5 should also be possible here, I believe the point will soon be split.> (chessdom)
May-15-09
Premium Chessgames Member
  Mateo: As everyone noticed after 46...g5, Black had a little threat...
May-15-09  BadKnight: looks like drawn now.
May-15-09
Premium Chessgames Member
  Peligroso Patzer: < *** But to give MC a free pawn? It was a tough choice...>

It is often easier to draw an inferior rook ending with a pawn less and equally active pieces than with equal pawns if the other side's rook (or king, as was the case in Y Shulman vs Onischuk, 2009 yesterday in the U.S. Championship) is far more active.

May-15-09
Premium Chessgames Member
  Eyal: After they swap g4 for b3 it's a theoretical draw.
May-15-09  dotsamoht: Carlsen is nice at the end... Cool!
May-15-09
Premium Chessgames Member
  keypusher: <Peligroso Patzer: < *** But to give MC a free pawn? It was a tough choice...>

It is often easier to draw an inferior rook ending with a pawn less and equally active pieces than with equal pawns if the other side's rook (or king, as was the case in Y Shulman vs Onischuk, 2009 yesterday in the U.S. Championship) is far more active.>

Years ago Soltis wrote a funny column about rook and pawn endings in which he announced his own "Soltis rule": if you're a pawn ahead, it's definitely a draw, but if material is even, you might be able to win. He had lots of examples.

May-15-09  Nimzonick: Onto other things ... Topa is up two pawns with three connected passed pawns, and a very interesting endgame position
May-15-09  dotsamoht: Well done, Vassily! No wonder I lose so many rook endgames...
May-15-09  achieve: <Mateo: As everyone noticed after 46...g5, Black had a little threat...>

Mate?

ooh

May-15-09
Premium Chessgames Member
  Mateo: <BadKnight> So, what do you think now?...
May-15-09  Nimzonick: So glad Ivanchuk pulled out a draw. It looked like he might have had winning chances for a while though, too bad he couldn't do more :/
May-15-09  BadKnight: <Mateo>all i understand is that i should study harder lol. activity is the key here. white king was not active and the pawns were advanced, giving black chance to attack the advanced pawns and simplify. the simplified positions are easily drawn.
May-15-09
Premium Chessgames Member
  chessgames.com: Stay tuned--we'll see the end of the Topalov-Dominguez game in just a minute.
May-15-09  jeremy24: 36: ... QxQ 37 RxQ Rd1 is answered by 38: Rb6! I think.
May-15-09
Premium Chessgames Member
  keypusher: <jeremy24: 36: ... QxQ 37 RxQ Rd1 is answered by 38: Rb6! I think.>

Powerful but illegal. As several commenters pointed out to me, 38. Rxa5 is the move.

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Chuky knew how to draw it
from 05b_extra passed b-pawn in R+4:3|| by whiteshark


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