Chess Board
[ECO code A04]
TRANSPOSITION
RETI/ZUKERTORT to SICILIAN DEF. (Main line)
Black's "Sicilian" QBP challenged for control of White's Q4(d4) square.
White transposes into the main line of the Sicilian Defence, advancing his King's Pawn to K4(e4) for a strong centre and preparing to open up the game by 3.P-Q4. W-Alt.
    White  Black    Transp.White Black
 1. Kt-KB3 P-QB4    (1.	P-K4   P-QB4)
 2. P-K4	    (2.	Kt-KB3	    )
Continue: Transpose or Undo or Jump or Clear