Banaszek, Marcin
2014  Warsaw Solving Grand Prix 2013
5. Prize
 
1.S:f5 Rd1 2.Q:d6 d4x
1.S:d6 R:c3 2.Q:f5 R:e3x




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


hx2 2 sol.   9+10   id=5