1.f6 c2 2.Tc6 Rd3 3.f7 Td8 4.Rh4 [ 4.Rh2? Tb8! 5.Td6+ Rc3 6.Tc6+ Rb2; 4.Td6+? Txd6 5.f8=D Tg6+; 4.Rf2? Tf8! 5.Td6+ Rc3 6.Tc6+ Rb3 7.Tb6+ Ra4; 4.Rg4! dual menor 4...Rd2 5.Td6+ Txd6 6.f8=D Tg6+ 7.Rh5 c1=D 8.Df4+ Rc2 9.Dc4+ Rb1 10.Db3+ Db2 11.Dd1+ Ra2 12.Da4+ Da3 13.Dc2+ Ra1 14.Dd1+ Rb2 15.De2+ Rb3 16.De3+ Ra4 17.Da7+ Rb4 18.De7+] 4...Rd2 5.Td6+ Txd6 6.f8=D Td4+ 7.Rh5 c1=D [ 7...Td5+ 8.Rh4 c1=D 9.Df4+] 8.Df2+ Rc3 9.De3+ Dxe3 tablas por ahogado.