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Saturday, August 27, 2011

Rook on the vulnerable Square.

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{White owns more queenside space thanks to his pawns on c4 and d5.  White
would like to add to his queenside gains by an eventual a2-a3 followed by
b3-b4 chasing the black Knight away from its excellent perch and preparing to
rip open lines in that area. Plus, this will open files for the Rooks.
Presently White's knights and Queen are eyeing the e4-square. If possible,
Black should avoid letting this important central square fall into enemy hands.}
1... gxf5 {It keeps the White pieces off of e4 since later on it will be
controlled a pawn.  Black's central pawns are more mobile. f5-f4 will handover
the e4-square to White.  e5-e4 will hand over the f4 square to White but the
h8-a1 diagonal will be open for the g7-Bishop.} (1... Rxf5 {This places the
Rook on a vulnerable square, gives White control over e4, and doesn't make any
particular gains.} 2. Bxc5 dxc5 3. Bg4 Rf8 4. Be6+ Kh8 5. Nde4 Qe7 6. Bxc8 Rxc8
) (1... Bxf5 {Here also white gains control over the e4-square.} 2. Nde4 Qh4 3.
Bxc5 dxc5 4. g3 Qh3 5. Qd2 b6 6. Ng5 Qh6 7. Ne6) 2. a4 f4 3. Bxc5 dxc5 4. Nde4
Bf5 5. f3 *