EG No. 10930 Reprinted with permission
N. Ryabinin and N. Mansarliisky 
1st prize Lebedkin Memorial Tourney
Win

White: Kf4, Qa1, Rh1; pawns - a5, b4, f7
Black: Ka6, Qe6, Rg2; pawns - b7, d3, e2

1 .b5+ Kd7 2.Qd4+ b6 3.Qxb6+ Qxb6 4.axb6+, with: 4...Kxb6
5.Kf3 (Ke3? d2;) 5...d2 6.f8Q e1N+ 7.Ke3 d1N+ 8.Ke4 Re2+
9.Kd5 Rd2+ 10.Ke6 Re2+ 11.Kd7 Rd2+ 12.Kc8 Rc2+ 13.Kb8
wins, or   4...Kb7 5.Ke3 (Kf3? d2;) 5...d2 6.Kxd2 Rf2 7.Rh7 Kxb6
8.Ke1 Rf4 9.Kxe2 Kxb5 10.Ke3 Rf1 11.Ke4(Kd4) Kc6 12.Ke5
wins. 

"A standard-setting study in which try and solution in the two
variations swap logical places."