Botvinnik Semi-Slav, The (Pedersen)
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THE MAIN LINE: 7 e3 tDti7 8 .ii.d3 dxc4 195<br />
majority on the queenside) 17 ... cS 18<br />
ltJc4 (White should try to liquidate<br />
with 18 dxcS since now he is saddled<br />
with an isolated pawn, which Black can<br />
easily blockade and attack) 18 ... cxd4<br />
19 exd4 bS 20 ltJaS ltJb6 21 ltJxb7<br />
'fixb7 22 ltJe2 l:tac8 23 'fid3 'fid7 +<br />
Salov-Anand, Wijk aan Zee 1998.<br />
c) 121tJe4!? 'fie7 13 ~b3! (White<br />
attempts to prevent the usual fianchetto)<br />
13 ... l:td8 (13 ... b6 14 ~a4! cS IS<br />
~c6 l:tb8 16 'iia4 ~b7 17 ~xb7 l:txb7<br />
18 dxcS bxcS 19 b3 is very pleasant<br />
for White) 14 'iic21tJf6 (14 ... aS IS a3<br />
ltJf6 16 ltJcs l:ta7 17 ltJeS ~d7 is<br />
about equal) IS ltJcs b6?! (a mistake<br />
that is worth noting since White now<br />
obtains a grip with a series of powerful<br />
moves; lS ... aS is again preferable) 16<br />
ltJeS! l:td6 (16 ... bxcS 171tJxc6 'fid6 18<br />
ltJxd8 'iixd8 19 'iixcS! gives White an<br />
advantage due to his control of the c<br />
file and Black being unable to activate<br />
his rook without losing the a-pawn) 17<br />
ltJcd3 ~b7 18 ~a4 l:tc8 19 b4 and<br />
White is better as he has successfully<br />
prevented ... cS and ... eS, and Black<br />
will have to defend c6, Dautov-Dreev,<br />
Reggio Emilia 199516.<br />
d) 12 'iie2 'fie7 13 l:tfd1 a6 (preparing<br />
the freeing ... bS followed by<br />
... cS) 14 a3 (14 ~b3 b6 IS e4 ~b7 16<br />
'iie3 cS 17 dS bS 18 'ili'f4 c4 = LSokolov-Timman,<br />
Dutch Ch playoff (Amsterdam)<br />
1996) 14 ... b6 IS e4 ~b7 16<br />
eS (Dreev queries this move, which<br />
gives Black an easy game; 16 ~a2 is<br />
better) 16 ... cS 17 dS bS 18 ~a2 c4 19<br />
~b1 exdS 20 ltJxdS ~xdS 21 l:txdS<br />
l:tfe8 + Van Wely-Dreev, Wijk aan<br />
Zee 1996.<br />
e) 12 e4 eS (Black's activity more<br />
or less makes up for the structural<br />
weaknesses he gets; 12 ... 'fie7 transposes<br />
to note 'c' to Black's 11th move<br />
above) 13 dslDb614 dxc6 bxc6 (Black<br />
cannot avoid this structure; 14 ... ltJxc4<br />
IS lDdS is clearly better for White,<br />
while the attempt to avoid the structure<br />
with 14 ... 'fixc6 results in a much<br />
worse position: lSltJdS 'iid6 16 ~b3<br />
and now Korchnoi-McDonald, Hamburg<br />
1997 continued 16 ... ~g4?! 17<br />
l:tc7! ltJxdS 18 l:txb7 ~xf3 19 gxf3<br />
'iif6 20 ~xdS ±) IS ~e2 l:td8 16 'fic2<br />
~g4 (D) (16 ... ~e6!? intending ... hS<br />
and ... ~h6 is another idea). White can<br />
now choose between no fewer than<br />
four different knight moves:<br />
w<br />
e1) 17 lDd2!? 'figS 18 l:tfd1 ~h3<br />
19 ~f1 is suggested by Chekhov but<br />
does not really appeal to me. White<br />
will be forced to weaken his kingside<br />
after 19 ... ~g4 or allow a repetition of<br />
moves.
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