Chess Board
[ECO code C33]
TRANSPOSITION
(KGA) KERES GAMBIT to VIENNA GAME
White deployed his QKt to support his KP, deter a Black ..P-Q4 and enable his own 4.P-Q4.., 5.BxKBP.
Black transposes into the Vienna Gambit variation of the Vienna Game by developing his Queen's Knight to QB3(c6), contesting White's Q4(d4) to deter or delay White's planned P-Q4. B-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. P-KB4  PxP	    (2.	Kt-QB3 Kt-QB3)
 3. Kt-QB3 Kt-QB3   (3. P-KB4  PxP   )
Continue: Transpose or Undo or Jump or Clear