Nº 9 Steffen S. Nielsen

Win

Steffen S Nielsen (Denmark)
3rd Prize -7th Tournament UAPA-2018- Section Win

wKf1,Qh4,Na7,c1,Bb1,Pc4,e6/bKc5,Ne1,Ba6,Rh2,Pa2,f2,g3

1.Qe7+
1.Nb3+? Kb4=

1…Kxc4 2.Bxa2+
2.Bd3+? Nxd3–+

2…Kc3+
2…Kd4+ 3.Ne2+- (3.Nb5+-)

3.Nb5+!! Unblock of square a7.
Logical try 3.Ne2+? Bxe2+ 4.Kxe2 f1Q+ 5.Kxf1 g2+ 6.Kf2 g1Q+ 7.Kxg1 Nf3+ 8.Kf1 Nd2+ 9.Ke1 Nf3+ 10.Kd1 Rd2+ 11.Kc1 Rc2+ 12.Kb1 Nd2+ 13.Ka1 Rc1+ 14.Bb1 Rxb1+ 15.Ka2 Rb2+ 16.Ka3 Nc4+ 17.Ka4 Nb6+ 18.Ka5 Nc4+ 19.Ka4= (19.Ka6? Position X with Na7 19…Rb6#)

3…Bxb5+ 4.Ne2+ Bxe2+ 5.Kxe2 f1Q+ 6.Kxf1 g2+ 7.Kf2 g1Q+
7…Nd3+ 8.Kg1+-

8.Kxg1 Nf3+ 9.Kf1 Nd2+ 10.Ke1 Nf3+ 11.Kd1 Rd2+
11…Rh1+ 12.Ke2+-

12.Kc1 Rc2+
12…Rxa2 eg 13.Qc5+-

13.Kb1 Nd2+ 14.Ka1 Rc1+ 15.Bb1 Rxb1+ 16.Ka2 Rb2+ 17.Ka3
17.Ka1?? Nb3#

17…Nc4+ 18.Ka4 Nb6+
18…Ra2+ 19.Kb5 Ra5+ 20.Kc6+-

19.Ka5
19.Ka3? Nc4+ 20.Ka4 waste of time

19…Nc4+ 20.Ka6 Rb6+ Position X without Na7 21.Ka7 +-