Nº1 Valery Kalashnikov

Publicado el 01/09/2021 a 242 × 242 en 16th INTERNATIONAL INTERNET TOURNAMENT (UAPA) – 2021

Win

Section B.1.

Valery Kalashnikov (Russia)

wKd8,Qg1,Nd5,Bd3,Pa7,d6/bKb7,Qc6,Nc5,Rc3,Pa4

1.Qg7+ Ka8 2.Nc7+ Qxc7+!
2…Kxa7 3.Nb5+ with mate

3.Kxc7!
3.Qxc7? Ne6+=
3.dxc7? Ne6–+

3…Ne6+ 4.Kb6 Rb3+
4…Nxg7 5.Be4+ with mate

5.Ka6 Nc5+! 6.Ka5 Nb7+ 7.Kxa4 Nc5+ 8.Ka5 Nb7+ 9.Qxb7+! Kxb7!
9…Rxb7 10.Be4 Kxa7 11.Bxb7 Kxb7 12.Kb5 Kc8 13.Kc6 Kd8 14.d7 Ke7 15.Kc7+-

10.Ba6+!
Prematurely 10.d7? Rxd3–+
logic try 10.Be4+? Kxa7 11.d7 Rb8=

10…Kxa7 and ending study of author from 9th UAPA Tournament (N7 Section-A 28.05.2019): 11.d7 Rb8
11…Ra3+ 12.Kb4! Rxa6 13.d8Q+-

12.Bc8 Rxc8! 13.dxc8R! +-
[13.dxc8Q? stalemate]