Dvoretsky's Endgame Manual by Mark Dvoretsky

Author:Mark Dvoretsky
Language: eng
Format: epub, pdf
Publisher: SCB Distributors

1…Kh6

Petrosian prepares …f7-f6 and …g6-g5. The positional defense method (à la Kantorovich), starting with 1…Kf6 had not yet been discovered and still is not widely known.

2 Ke3?!

Portisch suggests a more energetic approach: 2 b5!? f6 3 b6 g5 4 Rb8 gh 5 gh Kg6 6 Ke4+–. The evaluation of the final position is correct, but the defense can be improved. As Pogosyan established, Black draws by continuing 5…Rb4 (instead of 5…Kg6?) 6 Ke3 Kg7! 7 Kd3 R×h4 8 Kc3 Rh1. White may try 4 Ke4!?, but here Black saves himself by playing 4…R×f2 (and, most importantly, without exchanging pawns on h4). However, to avoid the pitfalls of complicated calculations, the move order can be changed: 3…Rb4! 4 Rb8 g5 5 Ke3 Kg7!= (or 5…gh 6 gh Kg7!=).

2…f6 3 Rb6 Kg7 4 Rb7+ Kh6 5 Rb8?!

In Kantorovich’s opinion, the correct line is 5 b5 g5 6 Kd4 gh 7 gh Kg6 (7…Rb4+ 8 Kc5 R×h4 9 Ra7 Rh1 10 Ra4 h4 11 b6 h3 12 b7 Rb1 13 Rb4 Rc1+ 14 Kb6+–) 8 b6 R×f2 9 Ra7 Rb2 10 Kc5 Rc2+ 11 Kd6 Rb2 12 Kc6 Kf5 13 Ra4+–. However, 8…Kf5! (instead of 8…R×f2) improves the defense and leads to a draw.

5…g5 6 b5 gh 7 gh Kg6 8 b6 Kf5 9 Kd4

9 b7 does not win in view of 9…Rb4! 10 Kd3 Kf4 11 Kc3 Rb1 12 Kd4 Kf3 13 Kd5 K×f2 14 Ke6 Rb6+ 15 Kf5 Kf3 16 Kg6 Kg4= (Kantorovich).

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