Chess Board
[ECO code C00]
TRANSPOSITION
FRENCH DEF. (Bourdonnais Attack) to SICILIAN DEF.
White advanced his KBP for a potential attack.
Black transposes into the Philidor Variation of the Sicilian Defence by advancing his Queen's Bishop's Pawn to QB4(c4). B-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K3	    (1.	P-K4   P-QB4)
 2. P-KB4  P-QB4    (2.	P-KB4  P-K3 )
Continue: Transpose or Undo or Jump or Clear