Chess Board
[ECO code D06]
QUEEN'S GAMBIT
Marshall Defence
White pushes his Queen's Pawn on to Q5(d5) attacking Black's QB3(c6) knight.
Black's QB3(c6) Knight returns to Kt1(b8) for ..Kt1-Q2, but a clear advantage to White is emerging.
    White  Black	White  Black
 1. P-Q4   P-Q4	     6.	QKt-Q2! Kt-Kt3
 2. P-QB4  Kt-KB3    7.	P-K4   B-Kt3
 3. PxP	   KtxP	     8.	P-Q5   Kt-Kt1
 4. Kt-KB3! B-B4
 5. Q-Kt3  Kt-QB3
Example ends: Undo or Jump or Clear