Michal Hlinka & Mario García

Draw

Sp. Premio 10th Tournament Internet UAPA-2019

wKc7,Pb5,d5,f4/bKh2,Nc2,Rf1

1.b6!
1.d6? Nd4! 2.b6 Rc1+ 3.Kd7 Rb1 4.Kc7 Ne6–+
With three lines with coronation of Knights in b8-d8-f8

A)1…Nb4 2.b7 Rc1+ 3.Kd7!
3.Kd8? Rd1 4.Ke8 Na6–+
3.Kd6? Na6–+

3…Na6 4.d6 Rd1
4…Nb8+ 5.Kd8 Kg3 6.f5 Nc6+ 7.Kd7! (7.Kc7? Na5+! 8.Kb6 Rb1+ 9.Kxa5 Rxb7–+) 7…Kf4 8.f6 Ke5 9.f7!=

5.Ke7!
Try : 5.f5? Nc5+ 6.Kc7 Nxb7 (no 6…Kg3? 7.b8N Kf4 8.d7 Kxf5 9.Kc8 Ne6 10.Nc6 Rd6 11.d8N=) 7.d7 Kg3 8.f6 Nc5 9.d8Q (9.d8N?? Rd7 10.Kc8 Rd6 11.f7 Rf6–+) 9…Ne6–+

5…Rb1
5…Nb8 6.Kd8 Rxd6+ 7.Kc7=
5…Re1+ 6.Kd8/d7.Rb1 7.Kc8 Rd1 8.d7 Rc1+ 9.Kd8 Nb8 10.f5=

6.d7 Nb8
6…Rxb7 7.Ke8 Nc7+ 8.Ke7 Nb5 (8…Nd5+ 9.Kd6! Rb8 10.Kxd5=) 9.f5!=

7.d8N!
7.Kd6? Rd1+ 8.Kc7 Nxd7–+
7.d8Q? Nc6+ 8.Kd7 Nxd8 9.Kxd8 Rxb7 10.f5 Rf7–+

7…Rf1 8.Kd6!
8.Ne6? Rd1 9.f5 (9.Nd8 Rd7+ 10.Ke8 Rd5 11.Ke7 Kg3 12.f5 Rxf5 13.Kd6 Rb5 14.Kc7 Na6+ 15.Kc6 Rb1–+) 9…Rd7+ 10.Ke8 Rxb7 11.f6 Rb6 12.Ke7 Nc6+–+
8.Ke6? Rxf4 9.Kd6 Rc4–+

8…Rxf4 9.Kc7 Na6+ 10.Kb6 Rf6+ 11.Ka7!=

B) 2…Rd1 3.f5! Nxd5+ 4.Kc6!
Try : 4.Kc8? Nb6+ 5.Kc7 Nd7 6.Kc8 (6.f6 Nc5 7.f7 Rf1–+) 6…Kg2! 7.f6 Nb6+ 8.Kc7 Nd5+ 9.Kc6 (9.Kc8 Rc1+ 10.Kd8 Rh1! 11.f7 Rh8+–+) 9…Nb4+ 10.Kb5 Nd3 11.f7 (11.Kc6 Rb1 12.f7 Ne5+ 13.Kc7 Rc1+ 14.Kd6 Nxf7+–+) 11…Rf1 12.Kc4 Ne5+ 13.Kd5 Nd7 14.Ke6 Nc5+ 15.Kd6 (15.Ke7 Re1+ 16.Kf8 Nd7+ 17.Kg7 Rb1–+) 15…Nxb7+ 16.Ke7 Re1+ 17.Kf6 Nc5 18.f8Q Nd7–+ fork

4…Nb4+ 5.Kb5 Rd8 6.Kxb4 Rb8 7.Kc5/c4 Rxb7 8.Kd6/d5 Kg3 9.f6 (ab) Kf4 10.Ke6 (ba) Rb6+ 11.Ke7 Ke5 12.f7 Rb7+ 13.Ke8 Ke6 14.f8N+!=

C) 2…Rxf4 3.d6 Rd4 4.b8N!=
4.d7? Na6+ 5.Kc8 Rc4+ 6.Kd8 Nb8–+
or 4.b8Q?? Na6–+ fork