Botvinnik Semi-Slav, The (Pedersen)

60 THE BOTVINNIK SEMI-SLAV
Alternatively, 16 f3!? prepares lDe4
and in fact looks quite dangerous.
However, it seems that Black can solve
his problems:
a) 16 ... 'ii'xd1+ 17 lhd1 i..xf3 18
':d6! is very good for White as there is
no defence against White's knight advancing
on the next move; for example,
18 .. .lhh219lDxb5liJd5 (19 ... ':c8?
20 lDc7+!) 20 i..xc4 ±.
b) 16 ... i..xe7!? 17 fxe7 f6! 18 i..xf6
(18 'iWxd7+? lDxd7 is slightly better
for Black) 18 ... ':xh2, Bareev-Lukacs,
Vrnjacka Banja 1987, and now White's
best is 19 'iWxd7+! lDxd7 20 lDxb5
lDxf6 21 lDc7+