Chess Board
[ECO code A20]
TRANSPOSITION
ENGLISH OPENING to GROB OPENING
Black's unopposed KP advance to the vacant centre freed his Q (to attack White's K-side) and his KB.
White transposes into the Grob Opening (an irregular or rarely played opening) by advancing his King's Knight's Pawn to KKt4(g4), planning 3.B-Kt2. W-Alt.
    White  Black    Transp.White Black
 1. P-QB4  P-K4	    (1.	P-KKt4  P-K4)
 2. P-KKt4	    (2.	P-QB4
Continue: Transpose or Undo or Jump or Clear