how to play chess endgames book

WEAKNESSES 129
20@e4 I!c8 21 ~f2 I!c6
Now White prepares the decisive invasion by
his king:
22I!d3!
'The rook clears the d5-square for the king
and simultaneously protects the weak b3-pawn
from d3. In addition it prepares the exchange of
bishops by ~g3."(Rozentalis).
22 ... ~c7 23 I!f3 ~b6 24 ~g3 ~a7 25 @dS
@d7 26 I!e3 .l!b6 27 ~f4 I!b7 28 ~d6 @d8 29
I!d3 @d7 30 ~xcS ~xcS 31 @xcS+ @c7 32
I!e3 Wd7 33 'it>d4 .§.b8 34 Wc3 g6 35 I!d3+
@c7 36 fxg6 I!g8 37 I!dS I!xg6 38 I!xaS !txg4
39 .§.fS!?
Good technique!
39 .. J:!:g6 40 as @d6 41 a6 1-0
E) The Principle of the
Second Weakness
The defender can generally protect one weakness
quite comfortably. But in doing so he naturally
loses some flexibility. The attacker is often
able to take advantage of this by creating a second
weakness or opening a second front, since
he can switch his forces more easily.
In order to breach Black's defences, however,
White must open a second front and inflict a
second weakness on the enemy.
1 I!bl!
Planning b4. The game continued with the
hasty I g6? hxg6 2 ~gt I!f6 3 .§.g5 b6 1h-1h.
1. .. b6
l ... a5 2 c3! (2 a3?! is weaker, since after
2 ... !:l.f8 3 b4? cxb4 4 axb4 a4 the black passed
pawn guarantees definite counterplay) 2 ... I!f8
3 b4 cxb4 4 cxb4 axb4 5 .l;!xb4 b6 (5 ... I!b8 6
I!b5 @f7 7 a4 is winning for White) 6 I!a4 @f7
7 !ta7 @e8 8 h4 and Black is condemned to
complete passivity.
2 b4 cxb4 3 I!xb4 @f8
3 ... a6 (Black wants to prevent .§.b5, but that's
not really a threat) 4 !tc4 @f8 5 .l;!c6 @e7 6 d4
exd4+ (6 ... lhf3+!? 7 @xf3 exd4 would perhaps
be a better chance) 7 lt'lxd4 e5 8 4Jf5+
~d8 9 g6 hxg6 10 !txg6 +-.
4 ~c4 as 5 ~c8+ @e7 6 l:!h8 g6 7 c3 I!xf3+
7 ... @d6 8 tZ'ld2 +-.
8 Wxf3 lt'lf8 9 We3 @f7 10 d4 @g7 11 .l;!xf8
'iilxf812@d3 +-
In the following example Kasparov brings
all of his available forces into play, to create and
exploit the second weakness:
6.19
R.Spielmann - S. Tarra sch
Bad Kissingen 1928
White has a clear advantage. Black's pawnstructure
is damaged and the black knight has
to guard the weakness at e5. In addition, White
has more space and his pieces are more active.
6.20
G.Kasparov - LI.Andersson
Belgrade (5) 1985
White still needs targets on the kingside, so
he uses his h-pawn to undermine Black's structure: