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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