Botvinnik Semi-Slav, The (Pedersen)

MOVE-ORDERS AND VARIOUS DEVIATIONS 93
a) 20 :d2?! ii'b4 21 'ji'xc6? c3 22
:d3 c2+ 23 ~e2 ii'b2 24 :xf8+ ltJxf8
25 'ili'f6+ ~e8 26 ii'c6+ it.d7 (Black
also seems to win by 26 ... ~f7; for example,
27 :f3+ it.f5 28 :xf5+ gxf5
29 'ili'f6+ ~e8! 30 ii'c6+ ltJd7!) 27
'ili'xa8+ c2 c5 gives Black lots
of counterplay.
19 .. JWxc3+ 20 ~e21i'b2+! 21 :d2
1i'b4 22 'iixe6 (D)
B
22 ..• c3
White is living right on the edge,
but he would not be badly off if he
could manage to blockade the c-pawn.
However, accuracy is needed.
23 a3!
This is a good move but perhaps 23
l:td3!? (23 .l:tc2? ii'xd4 24 it.g2 it.b7
is good for Black) is possible. After
23 ... c2 Ftacnik gives the weak 24
'ii'h6?