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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.

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