Botvinnik Semi-Slav, The (Pedersen)
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EARLY DEVIATIONS (6 e3 AND 6 a4) 155<br />
1O ... 0-0!?, but in Stefansson-Tisdall,<br />
Reykjavik Z 1995 Black achieved fine<br />
compensation after 11 tDxc6 (11 i.xc6<br />
bxc6 12 tDxc6 i.xc3+ 13 bxc3 'ilic7)<br />
11...'ilixdl+! 121hdl bxc6 13 i.xc6<br />
:tb8 14 e5?! (Tisdall queries this move<br />
but does not give any improvement)<br />
14 ... tDg4 15 i.f4 i.a5!.<br />
11 0-0<br />
11 tDxc6 bxc6 12 i.d3 h6 (another<br />
idea is 12 ... 'ilia5!?) 13 i.h4 e5 140-0<br />
i.e6 15 'ilie2 i.e7 16 i.c4 i.xc4 17<br />
'ilixc4 was better for White in Slipak<br />
Kanefsck, Buenos Aires 1998.<br />
11 •.. h6 12 i.e3<br />
Others:<br />
a) 12 i.xf6?! 'ilixf6 13 i.xc6 i.xc6<br />
(13 ... bxc6!?) 14 tDxc6 bxc6 is fine for<br />
Black, Lputian-Akopian, Erevan 1994.<br />
<strong>The</strong> weakness of the c-pawn is not<br />
very significant as long as Black is<br />
guaranteed counterplay against the<br />
backward b-pawn.<br />
b) 12 i.h4 g5!? (12 ... i.e7 is more<br />
solid) 13 i.g3 i.xc3 14 bxc3 tDxe4 15<br />
i.xc6 i.xc6 16 i.e5 :tg8 17 tDxc6<br />
bxc6 led to unclear play in Levin<br />
Hector, Berlin 1995.<br />
12 ..• 0-0<br />
Or 12 ... i.xc3 13 bxc3 tDxe4?! 14<br />
'ilig4 tDg5 15 :tadl! and White's initiative<br />
looks well worth the sacrificed<br />
pawn - Tisdall.<br />
13 f3 tDe5 14 tDc2 i.xc3 15 bxc3<br />
(D)<br />
B<br />
15 ... 'ilic7 16 i.d4:tfd8 17 tDe3<br />
eu.Hansen-Tisdall, Reykjavik Z<br />
1995 . Now 17 ... i.c6 is best, with a<br />
roughly equal game.