Chess Board
[ECO code C96]
CLOSE RUY LOPEZ - Chigorin Defence
The Keres Variation

White's QP advance attacked Black's KP.
Black's KB3(f6) Knight to Q2(d7) defends both his K4(e5) and QB4(c5) squares. B-Alt.
    White  Black	White  Black
 1. P-K4   P-K4      7.	B-Kt3  P-Q3
 2. Kt-KB3 Kt-QB3    8.	P-B3   0-0
 3. B-Kt5  P-QR3     9.	P-KR3  Kt-QR4
 4. B-R4   Kt-B3    10.	B-B2   P-B4
 5. 0-0    B-K2	    11.	P-Q4   Kt-Q2
 6. R-K1   P-QKt4

Example ends: Undo or Jump or Clear