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Botvinnik Semi-Slav, The (Pedersen)

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BLACK'S 13TH MOVE ALTERNATNES 77<br />

19 'ii'xdS ltJb6 20 'ii'xcS+ cJi>g8 (D)<br />

Black's king is now relatively safe<br />

and with all his pieces in active positions<br />

he can easily claim compensation<br />

for the pawn. White's main problem is<br />

that he cannot just develop with, for<br />

example, 21 i.g2 or 21 f4 as this<br />

would run into 21...'iWxb2+ followed<br />

by ... ltJa4+. Hence, White must retreat<br />

the queen, when Black will increase<br />

the pressure with ... ltJa4 anyway.<br />

21 WVe3<br />

Others:<br />

a) 21 f4? 'ft'xb2+ 22 cJi>xb2 ltJa4+<br />

23 ~a3 ltJxc5 24 cJi>b4 ltJe4, and now<br />

Black wins after, for example, 25 i.g2<br />

a5+ 26 'ifi>xb5? ltJc3+ 27 cJi>xc4 :'c8+.<br />

b) 21 'iWd4 'iWxf3 22 'iff4 'ifxf4+ 23<br />

gxf4 :'e8 and Black is much better,<br />

Atalik-Ivanisevi6, Szeged 1997. White<br />

still has great difficulties getting his<br />

bishop out.<br />

21...ltJa4 22 :'d4 ltJxb2 23 :'f4<br />

'iVg7<br />

112-112 Bagaturov-Jaracz, Pardubice<br />

1994. A likely continuation is 24 'ug4<br />

l:tg6 25 :'xg6 fxg6 26 ii'e6+ ~h7 27<br />

'ifh3+ cJi>g8 28 ii'e6+ with a draw by<br />

perpetual check.

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