Chess Board
[ECO code D63]
QUEEN'S GAMBIT - Orthodox Fianchetto
White's QB4(c4) Pawn removes the QP on Q5(d5) for a half-open QB-file, and challenges White's KP.
Black's K3(e6) Pawn exchanges, removing White's now doubled QP. Might continue 9.Q-R4 (Duras V.), 9.B-Kt5 (Capablanca V.) or 9.B-Q3 (Pillsbury A.).
    White  Black	White  Black
 1. P-Q4   P-Q4      6.	Kt-B3  QKt-Q2!
 2. P-QB4  P-K3      7.	R-B1   P-QKt3
 3. Kt-QB3 Kt-KB3    8.	PxP    PxP
 4. B-Kt5  B-K2
 5. P-K3   0-0
Example ends: Undo or Jump or Clear