1.Kf4! 

1.b4? Sc6 (1...Sc4? 2.Kf4 Kg6 (2...Sa3 3.e4+-) 3.Ke4+-) 2.b5 Sd4 3.b6 Sxe2+= 

1...Sb3 

1...Sc6 2.Ke4 Kg5 3.Kd5+-; 1...Kg6 2.b4 Sc4 3.Ke4!+-

2.e3!! a delayed move 

2.e4? Kg6! 3.e5 Sc5 (3...Sc1? 4.Ke4! Kf7 5.h4 Kg6 6.h5+!! Kxh5 7.Kf5!! Kh6 8.Kf6+-) 4.h4 Sd3+=; 2.Kf5? Sd4+= 

A) 2...Kg6 

B) 2...Sc5 3.Kf5 Sd3 4.b3! a delayed move 4...Sb4 5.e4+-;

3.Ke5 Kg5 4.Kd5 Sa15.e4! 

5.b4? Sc2 6.b5 Sxe3+ 7.Kc5 Sg4!! 8.b6 Se5 9.b7 Sd7+= 

5...Sc2 6.e5 Kf5 7.b3!! a delayed move 

Thematic try I: 7.e6? Kf6 8.Kd6 Sd4 (8...Se3? 9.b3!! a delayed move 9...Sf5+ 10.Kd7 Sd4 11.e7+-) 9.e7 Sf5+ 10.Kd7 Sxe7=

7.Kd6? Sd4 8.h4 Sb5+! 9.Kd5 Sc7+! 10.Kc6 Se8 11.Kd7 Sg7 12.Kd6 Se8+ positional draw, or 13.Ke7 Sg7 14.Kf7 (14.b4 Kxe5!=) 14...Se6=;

7...Se1 8.e6 

Thematic try II: 8.Kd6? Sf3! 9.e6 Kf6 10.Kd7 Se5+ 11.Kd6 Sf3 12.e7 Kf7 13.h4 (13.b4 Ke8 14.b5 Sd2! 15.h4 Se4+) 13...Ke8!! wPe7's blockade with the bK (13...Sxh4? 14.Kd7+-) 14.h5 Sd4 15.Ke5 Sc6+ 16.Ke6 Sxe7 17.h6 Sg6 18.b4 Sf8+!= (18...Kd8? 19.Kf7+-) 

8...Kf6 9.h4 

9.Kd6? Sf3 10.Kd7 Se5+ 11.Kd6 Sf3 positional draw, or 12.e7 Kf7 13.Kd7 Se5+ 14.Kd8 Sc6+= 

9...Sg210.Kd6 10...Sxh4 11.b4 Sf5+ 12.Kd7 Se7 13.b5 Sg6 14.e7 Se5+ 15.Kd8 Sf7+ 16.Ke8! wPe7's blockade with the wK 

16.Kd7? Se5+ loss of time 

16...Ke6 17.b6 

Thematic try III: 17.Kf8? Sd6 18.b6 Kd7 19.b7 Kc7= (19...Sxb7? 20.e8Q+ wins Excelsior)  

17...Sd6+ 18.Kd8 Sf7+ 19.Kc7 19...Sd6 20.b7 Kxe7 21.b8Q wins Excelsior