Semenenko, Valery
2014  Warsaw Solving Grand Prix 2013
2. Hon. Mention
 
a) 1.Sf5 Rd7 2.Be5 B:g5x
b) 1.Sb5 Bc7 2.Rd5 R:c4x




black opens a black line in one phase and a white
line in another phase


hx2 b) Kf6>c5   4+11   id=7