how to play chess endgames book

20 How TO PU.Y CHESS ENDGAMES
a) 9 ... Wc8 10 it)e5 b5 11 'W/g7 (not 11 axb5?
@b712\Wg7+@b613@g5@xb5 I4@f6@b4
with strong counterplay) l l...bxa4 12 bxa4 lt)c6
13 it)d3 ±.
b) 9 ... b5 10 lt'le5 bxa4 11 bxa4 it)c6 12
'W/g7+ 'i&c8 (12 ..'W/e7+ 13 'W/xe7+ it)xe7 14
@g5 +-) I3 it)d3 ±.
10lbe5~7+
10 ... 'W/eB 11 @g5 @d6 (11...'W/gB+ 12 @h6
<'t)c6 13 'W/g7+ +-) 12 @h6 ~g8 (12...lt)c6 13
Wg7 it)e7 14 'W/f8 +-) 13 ~g7 'W/e8 14 ~a7
'W/f8+ 15 @h7 +-.
11 @gS @c812 'W/g6 'W/e7+
After 12 ... 'Wlhs 13 'W/f6 'Wlh3 (13... 'W/gB+ 14
Wh6 't'Ye8 15 Wg7 Wc7 16 'W/f8 +-) 14 'W/e7
'W/xg3+ 15 Wh6 'W/g8 (D) (15... ~xe3+ 16 ©h7
'W/h3+ 17 @g8 \Wg3+ 18 @f8 'W/c3 19 'W/d7+
+-) Black is in a sort of zugzwang position, yet
all White's pieces are also optimally placed.
a) 13 ... 'WifB+ 14 'W/g7 'W/e8 15 @g5 it)b7 16
Wf6 it)d6 17 'W/a7 it)e4+ 18 @g7 +-.
b) 13 ... @bB 14 'W/g7 'W/e8 (14 ... 'W/d6 15 @g6
it)c6 16 Wf6 it)d8 17 'W/e7 +-) 15 @g5 b5
(15 ... it)b7 I6 it)d7+ @a7 17 @f6 +-) I6 it)d7+
Wc7 (16 ... Wc8 J7 lt)c5 bxa4 18 bxa4 it)f7+ 19
Wg6 it)d6+ 20 Wf6 lt)e4+ 21 We5 it)xc5 22
dxc5 'W/xa4 23 @d6 +-) l 7 it)c5+ Wb6 18 axb5
©xb5 19 'W/c7 'W/h8 20 'W!d7+ Wb4 21 ~a4+
Wc3 22 'W/xa5+ Wc2 23 \'Wei it)f7+ 24 Wg6
'&g8+ 25 @f6 <'t)g5 26 b4 ±.
14 'W/g7 @d6
14 ... lt)c6 15 it)xc6 'W/xg7+ 16 @xg7 Wxc6
17@f8! +-.
15 'W/xe7+ wxe7 16 wg7 it)b7 11 <'t)f7 @es
18 @f6 @d7 19 <'t)es+ @d6 20 <'t)g6 lt)dg 21
<'t)f8 l-O
Black resigned due to the fatal zugzwang.
As clearly shown in the preceding example,
an active king can also play an important role in
defence.
However, this assessment fails to take into account
the white king: 16 Wh5 ! ! ~h8+ ( i 6 ... ©b8
17 it)d7+ @c8 I8 it)xb6+ @b8 J9 loci7+ @c8
20 lt)e5 @b8 21 b4 +-) 17 @g6 'W/g8+ 18 @f6
\Wh8+ 19@g5\Wg8+20@f4 \Whs21 @g3'&g8+
22 <M2 \Whs 23'.t>el 'W/g8 24@d2 f4(24 ... 'W/g2+
25 @c3 \Wg8 26 b4 f4 27 bxa5 bxa5 28 \\Wd7+
Wb8 29 ~5+ Wc8 30 'W/a6+ Wb8 31 'W/xa5 +-)
25 exf4 '&g2+ 26 Wc3 '&g3+ 27 Wb2 ~g2+ 28
@a3 '&gs 29 'W!d7+ @b8 30 <'t)g6 'W/xg6 31
'W/xd8+ Wb7 32 'W!d7+ Wb8 33 'W/c6 +-.
13 @h6 @c7?!
This allows the exchange of queens, but otherwise
White's activity will prevail sooner or
later:
1.07
S.Dolmatov- M.Drasko
Sochi 1988
This position was first analysed in detail by
Nikolai Grigoriev, and then a half-century later
by Sergei Dolmatov (see School of Chess Excellence
1 by Dvoretsky). In the game, Black
defended passively with l.....llg8?! and after 2
it)b7 @c6 3 lt)d6 ..llh7 4 ©a6 ..llg8 5 wa5 ..llh7 6
<'t)f7 ..llg8 7 it)h6 ..llh7 8 @a6 @c7 9 @b5 @b7
10 Wc5 Wc7 11 it)f7 ..llg8 12 lt)d6 ..llh7 13
lt'le8+ he Jost more or Jess without a fight.