how to play chess endgames book

212 How TO PI.AY CHESS ENDGAMES
El 1.38 /***
Aie the passed pawns dangerous?
E4) Pinning
Another form of permanent tie of one or more
pieces is the pin. It is often not possible for the
stronger side to make use of his material advantage
if one of his pieces is permanently pinned.
The following game greatly amused the whole
chess world. Anand took very clever advantage
of the horizon effect of his electronic opponent
and provided mankind with an instructive example
of this type of fortress.
2~d7!?
And Anand also provokes it into helping itself.
2 •.• .i.b2 3 'lrg2!?
Furthermore Anand does not mind if Black
captures on a2 with the rook.
3 ... llxa2? 4 r!dd2 1'2-1/2
Now the trap has snapped shut and Fritz's
operator was forced to give the position up as a
draw. The bishop is absolutely worthless, since it
is tied by the pin for the rest of the game. But to
be fair to Fritz it should be noted that, in the original
position, converting the extra piece looks
very difficult or even well nigh impossible anyway.
But humans can also land themselves in
such permanent pins. In the following position
White looks in a very bad way and it seems as
if he will have to give up his rook for the black
a-pawn. But he found a brilliant saving idea:
w
11.49
V.Anand - Fritz 6
Frankfurt rpd (2) 1999
1 r!c2!? .i.a3
The computer pounces unsuspectingly
the a2-pawn.
on
11.50
V.Mamoshin - Kolker
Liepaia 1972
1 'lrd2! 'lrxal 2 @c2 r!c4
After 2 .. Jla3? Black even loses, since White
simply pushes his pawn: 3 gS +-.
After the text-move, a fascinating positional
draw has appeared on the board. Black is unable
to make any use of his material advantage,
because he cannot escape the pin. Since the
black pieces are so tied down, at first glance it
even appears as if White could think about taking
the full point. But if Black plays correctly,