how to play chess endgames book

180 How TO PLAY CHESS ENDGAMES
Here zugzwang helps the defender for once:
l. ..'i&c4!!
Reciprocal zugzwang No. I. Alternatively:
a) l ...@d5? 2 a5 @c6 3 a6 @b6 4 a7 @b7 5
@d3 ~g5 6 @e4 @a8 7 @f5 Ad2 8 @g6 @b7 9
lt:ld6+ +-.
b) l...@b4? 2 lt:lc3 (zugzwang) 2 ... Af8 3
@d2 Ah6+ 4 @e2 .i.f8 (4 ... Ag7 5 @d3 Af8 6
@e4 and the bishop cannot cope with the pincer
movement: 6 ... @xc3 7 a5 @b4 8 a6 Ac5 9 h6
@b5 10 h7 +-) 5 @f3 Ag7 6 lt:le4 @xa4 7 @g4
@b5 8 @f5 @c6 9 @g6 Ae5 (9 ... Af8 10 lt:lf6
@d6 11 lt:le8+ We7 I2 lt:lg7 +-) 10 h6@d7 11
@f7 .i.h812 h7@c613@g8 Ab2 14lt:lg3@d7
15 lt:lf5 +-.
2lZ:lc3@b4
Reciprocal zugzwang No. 2.
3@d3
Now we have reached the game, which forthwith
provides reciprocal zugzwang No. 3:
3 ... Ag7
Zugzwang again.
4 @c2 Ah6 5 @d3 .i.g7 6 lt:ldS+ @xa4 7
@e4@b5 8 @fS ~cS 9 @g6 Ad4 10 lt:lf4 @d6
11 h6 @e7 12 h7 Ab2 =
and a few moves later a draw was agreed.
squares available to manoeuvre with his king
than White has, which makes the theory of corresponding
squares relevant. But this is not
something we shall go into here. The interested
reader should refer to Fundamental Chess Endings,
Secrets of Pawn Endings or Averbakh's
standard work on pawn endings. As in the next
section, we shall consider it here just as a sort of
triangulation manoeuvre, to lose a move.
l ... @c7!
Black could also start with l...@d7.
2@d3@d7
Kasparov has worked out the triangulation
manoeuvre and brought White into a decisive
zugzwang.
3@e3
3 @c4 @c6 4 @d4 @d6 5 @c4 @e5 6 @d3
b3 7 ~c3 @xe4 8 @xb3 @d4 -+.
3 ... @c6 4@d3 (D)
4 @d2 @d6 5 @c2 @e5 6 @d3 b3 -+.
But not all positions which seem at first
glance to be mutual zugzwang tum out to be so.
4 @cS 5 ~e3 b3!
5 Wc4? 6 e5 @d5 7 e6 would only draw.
6@d3@b4 7 es @a3! 0-1
Accurate to the end. 7 ... fxe5? 8 f6 e4+ 9 @d2
e3+ 10@xe3 b2 11 f7 bl '1i¥ 12 f8'i;IY+ @xa4 13
\Wf4+ ~ 14 '&g5 would still give White
drawing chances.
10.10
Y.Seirawan - G.Kasparov
Nikiit: 1983
It seems that Black is unable to make progress
because of zugzwang, But Black has more
D) Triangulation and Spare
Moves
These are the main methods to win a zugzwang
duel.