ChessOps - PRUY-08B

[ECO code C42]

PETROFF'S DEFENCE
Ruy Lopez Variation

Black's KB developed to K2(e7) enabling castling.
White's K2(e2) Bishop onward to Q3(d3) attacks to dislodge Black's central knight, and whether Black replies 8..P-Q4 or 8..Kt-KB3 White "will have gained a tempo" (Cafferty & Hooper) overall.

    White  Black     5. Kt-KB3 KtxP
 1. P-K4   P-K4	     6.	B-K2   Q-Q2
 2. Kt-KB3 Kt-KB3    7.	0-0    B-K2
 3. KtxP   Q-K2	     8.	B-Q3
 4. P-Q4   P-Q3

Example ends: Undo or Jump or Clear