Chess Board
[ECO code C25]
TRANSPOSITION
VIENNA GAME to THREE KNIGHTS OPG.
White developed his KKt to KB3(f3) to prevent 3..Q-R5, threaten Black's KP and support 4.P-Q4.
Black transposes into the milder Three Knights Opening by developing his Queen's Knight to QB3(c6) in support of his KP. B-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. Kt-QB3 B-Kt5    (2.	Kt-KB3 Kt-QB3)
 3. Kt-B3  Kt-QB3   (3.	Kt-B3  B-Kt5 )
Continue: Transpose or Undo or Jump or Clear