Merio G. García

Win

Espacial Honorable Mencion -Zadachi i Etudie -2020

1.Nf2+!
1.Qa1+? Ke2 2.Qb2+ Qd2+! (2…Kf1? 3.Qxb3+-) 3.Qxd2+ Kxd2=

1…Ke2 2.Qb2+!
2.Ng4? Qc1+! 3.Kh5 b2 4.Qf2+ Kd3=
2.Nh3? Qc1+ 3.Kh5 b2 4.Nf4+ Ke3 5.Qe5+ Kf3=

2…Qd2+
2…Kf1 3.Qxb3 Qd2+ 4.Kg6 Qd6+ 5.Kf5+-
2…Kf3 3.Qxb3+ Kxf2 4.Qb6+-

3.Qxd2+ Kxd2 4.Ne4+!
4.a6? b2 5.Ne4+ Kd3! 6.a7 b1Q 7.a8Q Qh1+! 8.Kg5 Qxe4=

4…Kc2 5.a6 b2 6.a7 b1Q 7.a8Q Qb6+
main 1: 7…Qc1+ 8.Kg7! (8.Kh5? Kb3=) 8…Kb3 9.Qa5! Qb2+ 10.Kf7 Qxa3 (10…Qd4 11.Nc5+ Ka2 12.a4+-) 11.Nd2+ Ka2 12.Qd5+ Ka1 13.Qh1+ Kb2 (13…Ka2 14.Qb1#) 14.Nc4+- fork

8.Kh5!
Thematic Try : 8.Kg5? Qe3+! 9.Kf5 (9.Kg4 Kb3 10.a4 Qd4! 11.Kf5 Qd7+ 12.Kf6 Qd4+=) 9…Kb3 10.Ke5 (10.a4 Qh6! (10…Qf3+? 11.Ke5 Qh5+ 12.Kd4 Qd1+ 13.Kc5 Qc1+ 14.Kb6+-) 11.Qe8 Ka3! 12.a5 Kb4!=) 10…Qe2! 11.a4 Qc2! (11…Kb4? 12.Qc6!+-) 12.a5 (12.Qa5 Qh2+=) 12…Kb4 13.a6 Ka5! 14.Qb7 Qc3+! 15.Kf4 Qc1+ 16.Ke5 Qc3+ 17.Kd5 Qd3+ 18.Kc5 Qc3+ 19.Nxc3= stalemate
or 8.Kh7? Qc7+ 9.Kg6 Kb3 10.Qa6 Qc2! 11.Kf5 Qd1! 12.Nc5+ Ka2!= positional draw

8…Qb5+
8…Kb3 9.Nd2+-

9.Kh4!
9.Kg6? Kb3 10.Nd2+ Kb2=

9…Kb3
main 2 : 9…Qc4 10.Qb7! (10.Kg5? Kb2! 11.a4 Ka3 12.a5 Ka4 13.a6 Ka5 14.a7 Ka6!=) 10…Kd3 11.Qb1+ Ke3 12.Qe1+ Kd3 13.Qf1!+-

10.Nd2+ Ka2 11.Qf8!
11.a4? Qb4+! 12.Ne4 Ka3=

11…Qa4+ 12.Qb4 Qxa3 13.Qb1# mate

Themes: Elimination of the threat of stalemate and positional draw in the black countergame- Culmination in mate