Chess Board
[ECO code C80]
RUY LOPEZ - Riga Var. - (The) Boden Mate
Black's pawn to KB4(f5) supported his KP in error.
White develops his QBishop to KKt5(g5) for a typical Boden Mate characterised by bishops on two criss-crossing diagonals.
    White  Black     8.	KtxP   B-Q3!?
 1. P-K4   P-K4	     9.	KtxKt  BxP ch
 2. Kt-KB3 Kt-QB3   10.	K-R1!  Q-R5
 3. B-Kt5  P-QR3   11. RxKt ch PxR
 4. B-R4   Kt-B3   12. Q-Q8 ch! QxQ fcd
 5. 0-0    KtxP	   13. KtxQ dis.ch KxKt
 6. P-Q4   PxP	   14. KxB     P-KB4??
 7. R-K1   P-Q4	   15. B-Kt5 mate
Checkmate: Undo or Jump or Mates or Clear