Chess Board
[ECO code A00]
TRANSPOSITION
HEINRICHSEN OPG. to VIENNA GAME
Black's king's pawn occupied the vacant centre unopposed.
White transposes into the Vienna Game start position by advancing his own King's Pawn to the centre to meet Black's KP, freeing his Q+KB and doubling his control of Black's Q4(d5). W-Alt.
    White  Black    Transp.White Black
 1. Kt-QB3 P-K4	    (1.	P-K4	P-K4)
 2. P-K4	    (2.	Kt-QB3	    )
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