Chess Board
[ECO code C75]
RUY LOPEZ - Steinitz Def. Deferred
Rubinstein System
White's QR4(a4) light Bishop moves to QKt3(b3) and targets Black's relatively weak KBP. W-Alt.
Black pushes his King's Rook's Pawn out to KR3(h6) to parry White's B-KKt5 aim. White has several options, but Black should keep equality.
    White  Black     5. P-B3   B-Q2
 1. P-K4   P-K4	     6.	P-Q4   Kt-K2
 2. Kt-KB3 Kt-QB3    7.	B-Kt3  P-KR3
 3. B-Kt5  P-QR3
 4. B-R4   P-Q3
Example ends: Undo or Jump or Clear