how to play chess endgames book

THE RIGHT EXCHANGE 99
4.25
F.Vallejo Pons - V.Tkachev
Biel 2002
The black queen protects c7 and exerts a
strong influence on both wings, which White
will not be able to withstand, so he played ...
1 W/a3! '&xa3?
I.. .c6 was necessary.
2 bxa3 ltle8
Not 2 .. J::tc8? 3 1'.h3 ltlg4 4 ltlh4 g6 S ~3
+-.
After 2 ... c6 a possible continuation is 3 ltleS
cS 4 !!b2 cxd4 S exd4 :!:!.d6 6 l:tcbl ltlg4 7 f4
~ee6 8 1'.f3 fS 9 ~c I ~e7 10 :!:!.bc2 .l;!de6 11
.l;!c7 ltlf6 i 2 ltlg6 ±.
3 it.fl it.as 4 a4 f6? (DJ
4 ... @f8? is also bad: S 1'.bS 1!c8 6 ltle5 +-
(Gershon in CBM).
4 .. ~b7 S 1'.bS @f8 6 1'.xe8 :!:!.dxe8 7 :!:!.xc7
llxc7 8 .l;!xc7 'f!e7 (Gershon) 9 :!:I.cl± was relatively
best.
Sltlh4!
Taking advantage of the second weakness on
hS. Black is lost and so tries another exchange
sacrifice, but his counterplay fails because of
the passive bishop:
S ••.llld6 6 ltlg6 ~ed7 7 .i.h3 @f7 8 .1t.xd7
:!:!.xd7 9 ltlf4 ltlc4 10 e4!
This powerful break forces the issue.
10 ... c6
After this, the black bishop will need too
much time to rejoin the game.
11 lllxhS bS 12 eS fXeS 13 dxeS d4 14 ltlf4
'lie7?
Allowing the knight to reach the blockading
square d3. 14 ... ltlxeS had to be tried, but with a
few precise moves White can demonstrate that
the counterplay is insufficient: 15 :!:I.cs ):Ke7 16
):Kdl +-.
15 ltld3 :!:!.dS 16 f4 1'.b7 17 @£2 it.cs 18
axbS cxbS 19 l;txc4!? bxc4 20 :!:!.xc4 it.fS
20 ... .1t.a6 21 :!:I.cs +-.
21 @e2 :!:!.d7 22 @d2 @e6 23 1!c6+ @dS 24
:!:!.c5+@e4 25 e6 1-0
4.26
B.Jobava - K.Miton
Skanderborg 2005
The c6-knight is Black's last defender against
an invasion on the dark squares. So ...
I it.xc6! 1'.xc6
I ... ~xc6 21!xc6 .1t.xc6 3@c3! aS (3 ... 1'.dS 4
a3 as S b4! +-) 4 @d4 it.dS S @c5! +- (Krasenkow
in CBM).
2 @e3 @e7 3 lbgS h6 4 ltle4 :!:!.c7