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Ivan Saric vs Loek van Wely
Tata Steel Masters (2015), Wijk aan Zee NED, rd 9, Jan-20
Pirc Defense: General (B07)  ·  1/2-1/2

ANALYSIS [x]

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Kibitzer's Corner
Jan-20-15  Doniez: Simple trap tried by Van Wely. At move 26 Saric can't take the Bishop because there is the e6 knight waiting for the fork 26....Nd4+ and the Black wins the c6 rook
Jan-20-15  Marmot PFL: I think if Van Wely had won all his winning positions he would at least have an even score.
Jan-20-15  Marmot PFL: Marmot PFL: From the position at move 90 finding the surest win is tougher than I thought it would be. 90...Kh3 91 Rh7+ Rh4 92 Rg7 g4 93 Kf2 Rh8 94 Kg1 Ra8 and wins but it still takes a while.
Jan-21-15
Premium Chessgames Member
  HeMateMe: chessbase mentions that van Wely blew a very simple Lucerne position here, in the K + P endgame. He had it won, but settled for a draw.
Jan-21-15  YouRang: After <90.Rg7>, Van Wely (black) faced this position:


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Obviously, he needs to guard that pawn! But he blundered badly with <90...Rg3+?> allowing <91.Ke4!> which threatens to double-attack the pawn with Kf5.

<91...g4 92.Rg5!> moving the rook closer so that the K can take the pawn without allowing a skewer [diagram]


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Now, black cannot hold off the double-attack threat of Kf4, and if 92...Kh3, then 93.Rh5+ Kg2 94.Rg5 (repetition).

So, the game ended a draw.

~~~~~

Following the correct way to proceed is instructive. Van Wely should have played <90...Kh3>!


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This keeps the R at g4 to prevent white's K from approaching the pawn.

If <91.Rh7+>, then <91...Rh4 92.Rg7> exchanging rooks wins for black <92...g4!> and the well-protected pawn makes progress.

White's best try is to approach the front of the pawn with <93.Kf2> [diagram]


click for larger view

This is a critical move for black. Does he play ...Kh2 stop the white king from getting to g1? No! That would only draw.

For black to win, his main objective must be to push the white K away to the e-file. Specifically, if the white K goes to g1, then black's rook must gain control of the first rank before white's rook does.

Therefore, black needs to put his rook where it can accomplish this objective, e.g. <93...Rh8!>

It may continue: <94.Kg1 Ra8> [diagram], and now black will control the first rank via Ra1 (if white is passive, say 94.Rg6, black can force this same position with 94...Rf8+! 95.Kg1 Ra8).


click for larger view

<95.Kf2 Ra2+ 96.Kf1 Kg3!> keeping the white K away from g1 with mate threat <97.Rg6 Ra1+ 98.Ke2>, and black has achieved his objective of pushing the K away to the e-file.

With the white king out of the way, the rest is fairly simple.

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