Chess Visualization Course
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Book 1: General Tactics
  Introduction
  Foreword
  Table of Contents
  Description

Sample Exercises
  Introduction
  Chapter 3
  Chapter 7
  Chapter 13
  Chapter 16
  Chapter 22
  Chapter 25
  Wrap Up

Reviews
  Introduction
  Review No. 1 (2503)
  Review No. 2 (2350)
  Review No. 3 (2224)
  Review No. 4 (1910)
  Review No. 5 (1765)
  Review No. 6 (1740)
  Review No. 7 (1660)
  Review No. 8 (1550)
  Review No. 9 (1360)

Sample Exercises
Section 6, Three and More Sectors of the Board
Chapter 25, Seeing Further

Chapter 25, Seeing Further, contains exercises in which both players see the same variation up to a certain point, but White sees deeper into the position. This chapter contains 32 exercises ranging from 7 to 19 ply. Below are four of them.



725. 7 Ply. After the moves 17 exf5 Nxf5 [1] 18 gxf5 Bxf5 White is up a piece for a pawn, but Black seems to have well-placed pieces. How does White win more material in this position? A hint is provided in the footnotes [2].

[1] Black should just accept the loss of a pawn and play 17...Bf7. [2] Hint: White can create a situation in which he is attacking two pieces at once.



731. 9 Ply. Visualize the position after the moves 25 Bxd7 Rxe2 26 Qxe2 [1] Rxe2 27 Bxc6 Bxc6 28 Nd4 Ba4. How does White win a piece here?

[1] This desperado wins material. The alternative, 26 Bxc5 Rxb2 27 Bxb7 gxf6, gives White two pieces for a Rook and pawn.



737. 11 Ply. Black threatens mate on h2, but White to play can draw with either 28 hxg3 [1] or 28 exf8=Q+ Rxf8 29 Qxf8+ Kh7 30 Qf7+ Kh8 31 Qf8+, with a perpetual check. Yet White doesn't have to be content with a draw! How can White win after the moves 28 exf8=Q+ Rxf8 29 Qxf8+ Kh7? A hint is included in the footnotes [2].

[1] 28 hxg3 allows 28...Qxg3+ 29 Kh1 Qh3+, with a perpetual check. [2] Hint: All White has to do is defend his pawn on h2.



750. 15 Ply. Black is up a pawn after 20 Rc7 Qa4 21 Qf2 Qxb4 22 Rg7+ Kh8 23 Qh4 h5 24 Qg5 Ng4 [1] and threatens a smothered mate, but White can mate in three here. How? A hint is provided in the footnotes [2].

[1] This cover h6 and threatens a smothered mate with 25 Qxg6 Qb6+ 26 Kh1 Nf2+ 27 Kg1 (27 Rxf2 Qb1 mates) Nh3+ 28 Kh1 Qg1+ 29 Rxg1 Nf2, mate. [2] Hint: White can mate by getting his Queen to g7.


Sources:

725. Van Otten [2100]-Van Hemert, Hengelo, Netherlands, 1996.
731. Magerramov [2512]-Lerner [2515], Palma de Mallorca (GMA), 1989.
737. Ingerslev-Milner Barry, Moscow Olympiad (Finals, Group A), 1956.
750. Larsen [2461]-Suboticanec [2189], Zagreb, Yugoslavia, 1955.

The ratings are the players' FIDE rating as of August, 2007, not their rating when the game was played.


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Copyright (C) 2007-08, Gelvert Publishing LLC.

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