Chess Board
[ECO code D00]
QUEEN'S PAWN GAME
Mason Variation
White, having deployed his QB, set his KP on K3(e6) to improve his QP support and free his KB.
Black develops his Queen's Bishop to a supported KKt5(g5) attacking White's queen, to continue 4.B-K2..BxB, 5.QxB or 4.Kt-KB3..P-K3, 5.P-B3.
	White	Black
 1.	P-Q4	P-Q4
 2.	B-B4	Kt-KB3
 3.	P-K3	B-Kt5
Example ends: Undo or Jump or Clear