Chess Board
[ECO code A11]
TRANSPOSITION
ENGLISH OPG. (Anglo-Slav D.) to QPG. (Semi-Slav D.)
White's Queen's Knight development deters 3..P-QKt4 and supports a planned eventual P-K4.
Black varies the Slav Defence to adopt the Semi-Slav, pushing his King's Pawn out to K3(e6) to triple his QP support and free a path for his KB.
    White  Black    Transp.White Black
 1. P-QB4  P-QB3	   (2.)
 2. P-Q4   P-Q4		   (1.)
 3. Kt-QB3 P-K3	    (3.	Kt-QB3 P-QB3)
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