Chess Board
[ECO code C68]
RUY LOPEZ - Exchange Var.
Side Variation

White was unwise to take the centre by 5.KtxKP rather than developing 5.Kt-QB3 or (best) castling.
Black's Queen forks White's Kt+KP and will regain his lost pawn with a positional advantage, for best 6.Kt-KB3..QxKP+ch, 7.Q-K2..QxQ+, 8.KxQ. Anim.
    White  Black	White  Black
 1. P-K4   P-K4     5.	KtxP?  Q-Q5!
 2. Kt-KB3 Kt-QB3
 3. B-Kt5  P-QR3	nb: ?=bad move
 4. BxKt!? QPxB		    !=good move

Example ends: Undo or Jump or Clear