
Black to play
The solution is: 19… f4 20. exf4 Nxf4+ 21. gxf4 Rxf4 22. Re3 Bxd4 23. Kh1 Bxe3 24. Nd1 Rh4 25. Nf1 Bf4 26. Nde3 Qh3 0-1

Black to play
The solution is: 19… f4 20. exf4 Nxf4+ 21. gxf4 Rxf4 22. Re3 Bxd4 23. Kh1 Bxe3 24. Nd1 Rh4 25. Nf1 Bf4 26. Nde3 Qh3 0-1