Botvinnik Semi-Slav, The (Pedersen)
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THE MAIN LINE: 7 e3 liJd7 8 i.d3 dxc4 185<br />
he is fully developed will he move his<br />
b-pawn to bS. <strong>The</strong> immediate 14 ... bS?!<br />
is dubious on account of IS i.a2 cS 16<br />
dxcS!? ltJxcs 17 b4, when White exploits<br />
his lead in development to put<br />
Black under pressure.<br />
15 e4 i.b7 16 e5?!<br />
White is not able to support this<br />
pawn adequately and now it merely<br />
becomes weak. <strong>The</strong> prophylactic 16<br />
i.a2 is better.<br />
16 ... c5 17 d5 b5 IS i.a2 c4! 19 i.b1<br />
exd5 20 liJxd5 i.xd5 21 .:txd5 .:tfeS<br />
Black is better. White even lost the<br />
eS-pawn without any compensation<br />
whatsoever after ...<br />
22.:te1?!<br />
Dreev gives 22 e6 fxe6 (22 ... ltJb6!?)<br />
23 .:td2 ltJf8 24 'ilVe4 as a better try,<br />
when White has at least created some<br />
weaknesses on Black's kingside as<br />
compensation for the pawn, but by<br />
correct play Black should still win.<br />
22 .•. .:tadS 23 'iWd2 liJxe5 24 ltJxe5<br />
.:txd5 25 'iWxd5 i.xe5<br />
Black won in some 30 more moves.<br />
Central systems<br />
<strong>The</strong> subheading is borrowed from<br />
Matthew Sadler's book <strong>The</strong> <strong>Semi</strong>-<strong>Slav</strong><br />
for the simple reason that I could find<br />
no better heading to cover the next examples.<br />
<strong>The</strong>se usually involve Black<br />
replying ... eS to White's e4. A few<br />
snapshots (see/allowing diagram):<br />
1l ... e5! 12 d5 liJb6 13 i.b3 i.g4!<br />
Black should hurry to play this,<br />
even though the following ending is<br />
not very enterprising. However, after<br />
B<br />
Khalifman - Akopian<br />
Erevan 1996<br />
13 ... 0-0 14 h3! White is better as neither<br />
of Black's bishops is very good.<br />
14 h3 i.xf3 15 ..wxf3 ..wxf3 16 gxf3<br />
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