
Black to play
The solution is: 19… Nxf2 20. axb4 Nxh3+ 21. Kf1 Qxe3 22. Qf5 Nf6 23. Bc1 Ng4 24. Rd3 d4 25. Red1 Qg1+ 26. Nxg1 Nxh2# 0-1

Black to play
The solution is: 19… Nxf2 20. axb4 Nxh3+ 21. Kf1 Qxe3 22. Qf5 Nf6 23. Bc1 Ng4 24. Rd3 d4 25. Red1 Qg1+ 26. Nxg1 Nxh2# 0-1