1.Qa5+ | Kb8 |
2.Qb6+ | Ka8 |
3.Nb5! | |
Threatening Nc7# | |
3... | Qb7 |
4.Qd8+ | Qb8 |
5.Qd5+ | Qb7 |
6.Qa2+ | Ba4 |
6...Kb8 loses more quickly, viz: 7.Qg8+ Qc8 8.Qg3+ Ka8 (If 8...Kb7 9.Nd6+) 9.Qa3+ Kb8 10.Qa7# | |
7.Qxa4+ | Kb8 |
8.Qf4+ | Ka8 |
9.Qf8+ | Qb8 |
10.Qf3+ | Qb7 |
11.Qa3+ | Kb8 |
12.Qf8+ | Qc8 |
13.Qf4+ | Ka8 |
14.Qa4+ | Kb8 |
15.Qa7# | |
Gunst (1926) |