1.e7! <br /> [ 1.c7? Kb6 2.Kb8 Qb4 3.Kc8 Kc6 4.d4 ( 4.d8N+ Kb6 -+ ) 4...Qd6 5.d5+ Qxd5 <br /> 6.Kd8 ( 6.d8N+ Kb6 -+ ) 6...Qa5 7.Ke8 Qh5+ 8.Kd8 Qh8+ -+ ] <br /> 1...Qa1+ <br /> [ 1...Kxc6 2.e8Q Qa4+ 3.Kb8 Qf4+ 4.Ka8 = ] <br /> 2.Kb8 <br /> [ 2.Kb7? Qa6+ 3.Kc7 Qxc6+ 4.Kd8 Qa8+ 5.Kc7 Qa7+ 6.Kc8 Kc6 7.d8N+ Kb6(Kd6) -+ ] <br /> 2...Qe5+ 3.c7 Kc6 4.d8N+ Kb6 <br /> [ 4...Kd7 5.e8Q+ Kxe8 6.d4 Qh2 7.Kc8 Qh3+ 8.Kb8 Qg3 9.Kc8 Ke7 10.Nb7 Qg8+ <br /> 11.Nd8 Qa2 12.Kb8 Qb3+ 13.Nb7 Qg8+ 14.Nd8 = ] <br /> 5.e8N Qxe8 6.c8N+ Kc5 7.d4+ Kd5 <br /> [ 7...Kxd4 8.Kc7 Kc5 9.Nb7+ Kd5 10.Nb6+ etc.] <br /> 8.Kc7 Kxd4 9.Nb7 Qf7+ 10.Kc6 Qe6+ 11.Kc7 Kd5 12.Nb6+ Kd4 13.Nc8 Qc4+ 14.Kd7 <br /> Qb5+ 15.Kc7 Kd5 16.Nb6+ Kd4 17.Nc8 Qc4+ 18.Kd7 Qd5+ 19.Kc7 Qf7+ 20.Kc6 Qe8+ <br /> 21.Kc7 Kd5 22.Nb6 +=. Three Knight promotions in miniature.  Author<font face="Arial"><font size="3"> <br /> </font></font>