Vladimir Kuzmichev (Россия)  
Draw 3+2

1.Kc7!! c1Q+ 2.Kb7! Ke4 3.Sab6! Qc2 4.Sd7! Kd5

5.Sb8!! – white built a new theoretically impenetrable fortress

5… Qb3+ 6.Kc7! Qc4+ 7.Kb7! Qb5+ 8.Kc7! Qc5+ 9.Kb7! =

5... Qh7+ 6.Kb6! Qh2+ 7.Kb7! Qb2+ 8.Kc7! =

5… Qh2(Qc1) 6.Sa7!! – transformation into major new theoretical fortress, which is inaccessible to black under any arrangement of black pieces

6… Kd6 7.Sc8+! Kd5 8.Sa7!! Kc5 9.Sa6+! – the transformation of the echo fortress

 

8… Qb2+ 9.Kc7! Qe5+ 10.Kb7! Qg7+ 11.Kb6! Qg1 12.Kb7! Kc5 13.Sa6+! Kd5 14.Sb8!! Kd6

15.Sc8+! – echo variant =

 

3… Qh1! 4.Kc7!! Qh7 5.Kc6!! Kd4

(4.Sd7? Kd5!! 5.Sb8 Kc5+! 6.Ka7 Qh7 7.Kc7 Qh2

8.Kb7 Qh7+!  9.Ka8 Qg7 10.Sa6 Kb5 11.Sb8 Qc7 – black wins)

6.Sd7! Qc2+ 7.Kb7! Kd5 8.Sb8!! – and similarly =

 

1.Sc5? c1Q 2.Sb7 Qc6! - black wins

2.Se6 Ke4! - black wins

1.Sab6? c1Q 2.Kd7(Sd6) Qc5! – black wins