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Anatoli Vaisser vs Stefan Djuric
Szirak (1985), Szirak HUN, rd 2, Oct-07
Nimzo-Indian Defense: Normal Line (E40)  ·  1/2-1/2

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Aug-22-19
Premium Chessgames Member
  g15713: Look at a similar rook ending between Jennifer Yu and S Foisor
Black to move. Check. Last: 45. Rxb5+

'Jennifer Yu vs S Foisor, 2018

E. 1
White to move. Last: 78...g6


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FinalGen considers the position as a draw but White's task is not easy.

John Emms in his wonderful 2008 chess book, The Survival Guide to Rook Endings, remarks about this rook ending on pages 57 and 58 as follows:

<"Formerly this position was thought to be winning for the side with 2 pawns, but a new defensive technique shown by"> this game <"has caused a major reassessment.">

79. Kh3! This move and Kg3 or Ra3 are the only other ones to draw according to FinalGen.

79...f5

80. Ra3! <"From here the rook controls the third rank and is ready to go to g3."> Emms

80...Rb8 (80...Rf7 can be met by 81. Ra8)

81. Rg3! is the only move to draw

New defensive technique is <"where the defending side can draw using the plan of attacking the g-pawn from the front."> Emms

81...Rb4

E. 1.1
White to move. Last: 81...Rb4


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82. Rg1 or Rg2 or Rg5 =

<"White just sits tight, sticking rigidly to the plan of hitting the vulnerable g-pawn."> Emms

E. 1.2

Going back to E. 1 diagram
White to move. Last: 78...g6


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In the game White played 79. Kf3?

79...f5! The only winning move

80. Ra3 Rf7? and the players agreed to a draw as 81. Kg2 or Ra8 =

E. 1.3
Black to move. Last: 80. Ra3


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Instead of 80...Rf7? Black could have won with any of the following moves: 80...Kh5 or Rb8 or Rc8 or Rd8 or Re8 according to FinalGen.

Example winning line:

80...Kh5 81. Kg3 f4+ 82. Kh3 f3 83. Ra5+ Kh6 84 Ra1 f2 85. Rf1 Kh5 86. Kg3 Rf5

E. 1.4


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87. Kh3 Rf3+ 88. Kg2 Kg4 89. h5 Rg3+ 90. Kxf2 Rf3+ 91. Kg1 Rxf1+ 92. Kxf1 Kxh5 93. Kf2 Kg4 94. Kg2 g5 95. Kh2 Kf3 96. Kh3 g4+ 97. Kh2 Kf2 -+

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#24 79. Kf3? 2:3 --> 1:2|| (h-pawn vs. f- & g-pawns)
from g15713's favorite Rook endgames Part I by g15713
Szirak 1985
by Tabanus

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