Solution:
1. Qd4+ Ka8 2. Qh8+ Ka7 3. Qd8 Ka6 (3... Rb4 4. Qa5+)
(3... Rb3 4. Qd4+ Kb8 5. Qf4+ Ka8 6. Qa4+) (3... Rb1
4. Qd4+ Ka8 5. Qh8+ Ka7 6. Qh7+) (3... Rf7 4. Qd4+ Ka8
5. Qa1+ Kb8 6. Qb2+ Ka8 7. Qa2+ Ra7 8. Qg8# {#}) (3...
Rh7 4. Qd4+ Kb8 ( 4... Ka8 5. Qa1+ Kb8 6. Qb1+) 5. Qb4+
Ka7 6. Qa4+ Kb8 7. Qb3+ Ka7 8. Qa2+ Kb8 9. Qb1+) 4.
Qa8+ Ra7 5. Qb8 1-0
Similar diagrams (1):
References:
