
Black to play
The solution is: 1… Rc1+ 2. Kxc1 Qc4+ 3. Kd2 Qd3+ 4. Ke1 Qe3+ 5. Kf1 Rf8 6. Kg2 Qe2+ 7. Kg1 Be6 8. Nf7 Bh3 9. Nh6+ gxh6 10. Qd5+ Rf7 11. Qa8+ Kg7 -+

Black to play
The solution is: 1… Rc1+ 2. Kxc1 Qc4+ 3. Kd2 Qd3+ 4. Ke1 Qe3+ 5. Kf1 Rf8 6. Kg2 Qe2+ 7. Kg1 Be6 8. Nf7 Bh3 9. Nh6+ gxh6 10. Qd5+ Rf7 11. Qa8+ Kg7 -+