Botvinnik Semi-Slav, The (Pedersen)
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MOVE-ORDERS AND VARIOUS DEVIATIONS 95<br />
cJii>h6 lh-1f2 Piesina-Khenkin, Pardubice<br />
1993.<br />
d) 18 ... .tg7 19 tLle4 tLlf8 20 cJii>d2 w<br />
.td7 21 f4 as 22 lIafl a4 23 a3 lIb8 24<br />
tLld6+ 'iti>g8 25 .te4 ;!; Szabo-P.Horvath,<br />
Hungarian Cht 1994.<br />
19 bxc3 lIb8 20 f4<br />
Shirov considers this to be inferior<br />
to the main line, and, indeed, the pawn<br />
does not seem to be very important.<br />
Now Black is able to exchange White's<br />
bishop, while if White leaves the pawn<br />
Black will have to spend a few moves<br />
accomplishing this task. Shirov-Stisis,<br />
London Lloyds Bank 1991 continued<br />
20 .txc6?! .tb7 21 l:rh7+ (21 .txb7<br />
lIxb7 might be objectively better, but<br />
Black should be doing well when the<br />
knight arrives on d5) 2l...'iti>g6 22 l:rxd7<br />
.txc6 23 l:rxa7 .tf3! (this very strong<br />
move not only prevents White from<br />
setting his kingside pawns in motion<br />
but also contains the devilish plan of<br />
... .th6, ... .tg5, ... lIh8 and mate) 24<br />
cJii>d2?! (according to Shirov 24 lIa6!<br />
cJii>f5 25 'iti>d2 is more precise) 24 ... .th6+<br />
25 'iti>c2 l:rf8 26 'iti>b2, and now after the<br />
accurate 26 ... .td2! 27 'iti>c2 .tg5, with<br />
the idea of ... .:h8, Black would have<br />
been clearly better - Shirov.<br />
20 ... b4 (D)<br />
21 cJii>d2 cSt?<br />
21...a5 22 .txc6 tLlb6 23 g4 .tb7<br />
(23 ... bxc3+ 24 'iti>xc3 .tb4+ is premature<br />
in view of 25 cJii>c2 tLld5 26 .txd5<br />
exd5 27 f5, when Black's counterplay<br />
has diminished) 24 .txb7 ':xb7 25<br />
lIh7+.tg7 26 f5 tLld5! (26 ... 'iti>g8 is too<br />
passive; after 27 ':ahl ':d7 28 cJii>c2<br />
White is close to winning) 27 f6<br />
bxc3+ 28 cJii>cl tLlxf6 29 exf6 'iti>xf6 30<br />
cJii>c2 cJii>g6 31 ':xg7+! and 31.. . .:xg7?<br />
32 ~xc3 gave White a slight pull in<br />
Bareev-San Segundo, Madrid 1994,<br />
but according to Bareev White would<br />
not be able to make progress after<br />
3l...cJii>xg7! 32 'iti>xc3 lIb4 33 lIfl 'iti>g6.<br />
22 dS tLlb6 23 dxe6+<br />
Sadler considers 23 d6 more critical,<br />
when Black should play 23 ... tLld5<br />
or 23 ... tLla4, stepping up the pressure<br />
against c3.<br />
23 ... .txe6 24 .te4 lId8+ 25 'it;>e3<br />
tLldS+ 26 .txdS ':xdS 27 lIhdl ':xdl<br />
28 ':xdl .tfS<br />
Black is not worse, Mecking-San<br />
Segundo, Linares 1995.<br />
A223)<br />
16 .tg2 'it'f7!<br />
I have absolutely no faith in other<br />
options for Black here. At the least<br />
White can have a good version of Line<br />
A222, while the different circumstances<br />
might give White even better<br />
options; e.g., 16 ... .tg7? 17 'ii'xg6+
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