C. Poisson (France)
 
#16 2+2

1.Kc6!
1…Kd4 2.Ra2 Nb6 3.Kxb6 Ke5 4.Kc5 Ke4 5.Ra4+ Kf3,Kd3  6.Rd4(+) Ke3 7.Kc4 Ke2 8.Rd3 Kf2
9.Kc3 Ke2 10.Kc2 Kf1 11.Rd2 Ke1,Kg1 12.Kd3 Kf1 13.Ke3 Kg1 14.Kf3 Kh1 15.Kg3 Kg1 16.Rd1‡
10…Ke1 11.Rd2 Kf1 12.Kd1 Kg1 13.Ke1 Kh1 14.Kf2 Kh2 15.Rd3 Kh1 16.Rh3‡
1…Kd3 2.Rf8 Nc7 3.Kxc7 Ke4 4.Kd6 Kd4 5.Re8 Kc4 6.Re4+ Kd3 7.Kd5 Kc3 8.Rd4 Kb3 9.Rc4
Ka3 10.Kc5 Kb3 11.Kb5 Ka3 12.Rb4 Ka2 13.Ka4 Ka1 14. Kb3 Kb1 15.Rc4 Ka1 16.Rc1‡
3…Kd4 4.Kd6 Ke4 5.Re8+ Kf3,Kf5 6.Re5 (+) Kf4 7.Ke6 Kg4 8.Rf5 Kg3 9.Kf6 Kg4
10.Kg6 Kh3 11.Rg5 Kh2,Kh4 12.Kf5 Kh3 13.Kf4 Kh2 14.Kf3 Kh1 15.Kf2 Kh2 16.Rh5‡
10…Kh4 11.Rg5 Kh3 12.Kh5  Kh2 13.Kh4 Kh1 14.Kg3 Kg1 15.Rf5 Kh1 16.Rf1‡

The key gives 2 flights, 5 ideal mates (3+2 echoed)