Chess Board
[ECO code C48]
LOPEZ FOUR KTS. GAME - Rubinstein Def.
Bogoljubow Variation
White's checked King on KB2(f2) moves again, to KKt1(g1) blocking his KR.
Black moves his Queen from K5(e4) to QB3(c3) to prevent a KtxQBP fork, for 11.Kt/5-Q4..Q-B4 equality.
    White  Black       White  Black
 1. P-K4   P-K4	    6. P-B4   KtxB
 2. Kt-KB3 Kt-QB3   7. KtxKt  P-Q3
 3. Kt-B3  Kt-B3    8. Kt-KB3 QxP ch
 4. B-Kt5  Kt-Q5    9. K-B2   Kt-Kt5 ch
 5. KtxP   Q-K2	   10. K-Kt1  Q-B3
Example ends: Undo or Jump or Clear