Botvinnik Semi-Slav, The (Pedersen)
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112 THE BOTVINNIK SEMI-SLAV<br />
for Black in Danilov-Ignatescu, Romanian<br />
Ch 1992.<br />
c2) 15 ... 0-0-0 and then:<br />
c21) 16li:Jxa7+?! cj;b8 17li:Jxc6+<br />
i.xc6 18 i.xc6li:Jb4 19 i.f3li:Jc2+ 20<br />
'ti'xc2 'ti'xf3 21 :gl :xd4 + Grivas<br />
Toshkov, Iraklion 1985.<br />
c22) 16li:Ja3 l:xd4 17 'ti'e2li:Jb4 18<br />
0-0 i.a6 19 'ti'f3 'ti'xf3 20 i.xf3 :d2<br />
and Black has excellent counterplay to<br />
compensate for his numerous pawn<br />
weaknesses, Uhlmann-Gauglitz, Dresden<br />
1985.<br />
c23) 16 'ii'a4 cxb5 17 i.xb7+ 'iitxb7<br />
18 'ii'xb5+ 'iita8 19 'ii'c6+ cj;b8 20<br />
'ti'b5+ ~a8 21 'ii'c6+ 'iitb8 22 'ii'b5+<br />
112_112 Novikov-Khuzman, Kuibyshev<br />
1986.<br />
15 ... 'iIi'e7 160-00-0-017 a4<br />
In order to free this knight for other<br />
activities, Black has to expel the e4-<br />
knight with ... f5 one way or another.<br />
17 ..• ~b8!?<br />
Kasparov labels this with a question<br />
mark in lnformator 37 and although<br />
Smyslov did not have the<br />
courage to repeat the line, I think the<br />
criticism is too harsh.<br />
Black has also tried the immediate<br />
17 ... f5: 18 li:Jc3 (18 axb5 cxb5 19<br />
':'xa6 i.xa6 20 li:Jc5 'ii'xc5! 21 dxc5<br />
':'xd1 22 :xd1 and now 22 ... b4! is unclear<br />
according to Kasparov, but not<br />
22 ... .:.d8? 23 ':'a1 i.b7 24 c6 i.a8 25<br />
c7! winning, Altyzer-Lautner, Zurich<br />
1987) 18 ... b4 (18 ... e5 19 axb5 cxb5 20<br />
li:Jxb5 i.xg2 21 :xa6! gave White a<br />
strong attack in Vidoniak-Nedobora,<br />
Lvov 1992) 19li:Je2 c5 20 'ii'c2 i.xg2<br />
21 cj;xg2 'ili'b7+ 22 f3 ;j; Ruban-S.lvanov,<br />
USSR 1985.<br />
18 'ili'd2 (D)<br />
B<br />
Now:<br />
a) 18 ... li:Jb4 19 :fd1! e5 20 li:Jc5<br />
li:Jd3 (20 ... a5!? - Paunovic) 21 axb5!<br />
li:Jxc5 22 'ti'aS ':'xd4 23 bxc6 ± Paunovic-Flear,<br />
Geneva 1986.<br />
b) 18 ... b4 19 l:ac1 f5 20 li:Jg5 e5<br />
21 :xc4 c5 22 i.xb7 'ti'xb7 23 'ii'e3!<br />
exd4 24 'ti'e5+ cj;a8, Kasparov-Smysloy,<br />
Vilnius Ct (5) 1984, and now the<br />
simple 25 'ii'xf5 gives White a large<br />
advantage according to Kasparov.<br />
c) 18 ... f5?! 19 li:Jg5 e5 20 ':'fe1<br />
'ti'f6 21 axb5 cxb5 22 i.xb7 ~xb7 23<br />
'ii'aS ± Kasparov.<br />
d) We have seen the ... e5 idea,<br />
which obviously must be part of<br />
Black's idea with ... 'it?b8, carried out<br />
in a few of the above lines, but why<br />
has it always been prefaced by ... f5?<br />
<strong>The</strong> immediate 18 ... e5! looks much<br />
stronger. 19 'ti'g5 (19 'ili'aS is perhaps<br />
the reason why Smyslov decided to<br />
close the queens ide with 18 ... b4 but
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