Pavel Arestov & Mario García & Vladislav Tarasiuk

Ganan

Pavel Arestov & Mario García & Vladislav Tarasiuk (Russia-Argentina-Ukraine)

Especial Premio -Pat a Mat -2021

wKc5,Na6,Rg1,Pa2,a4/bKb2,Nf1,Bg3,Pa5,e2

1.Rg2 Bf2+! 2.Rxf2 Ng3 3.Kb6!
Try themat: 3.Kb5? Ka1!! (3…Kb1? 4.Rxe2 Nxe2 5.Kxa5+- see solution) 4.Rxe2 (4.Nb4 axb4 5.Rxe2 Nxe2 6.Kxb4 (6.a5 Nd4+ 7.Kc5 b3! 8.axb3 Nxb3+=) 6…Kxa2 7.a5 Nd4 8.a6 Nc6+ 9.Kc5 Na7 10.Kb6 Nc8+ 11.Kb7 Nd6+ 12.Kc7 Nb5+=) 4…Nxe2 5.Kxa5 Nc3 6.Kb4 Nxa4 7.Kb3 Kb1! zz (1) 8.a3 Nb6! 9.Nc5 Kc1! 10.Ne4 Kd1! 11.Nd6 Ke2 12.Nc4 Nd5 13.a4 Kd3 14.a5 Kd4=
With the following lines:

A) 3…Kb1! 4.Rxe2 Nxe2 5.Kxa5 Nc3 6.Kb4 Nxa4
6…Kb2 7.a5!+-

7.Kb3! zz
7.a3? Nb6! 8.Kb3 Kc1!=

7…Nb6 8.Nc5!
Try : 8.Nb4? Kc1 9.Nd3+ Kd2 10.Ne5 Ke2 11.Kb4 Nd5+ (2) 12.Kc4 Nb6+ 13.Kb3 Nc8! 14.Kb4 Nb6 15.a3 Nd5+ 16.Kc4 Nb6+ 17.Kc5 Na4+ 18.Kb4 Nb6 19.Kb3 Nc8! 20.a4 Ke3=

8…Kc1 9.Ne4!
9.Nd3+? Kd2 10.Ne5 Ke2 11.Kb4 Nd5+= similar to try in (2)
9.Na4? Nd7! (9…Nd5? 10.Nc3+-) 10.Kc3 Kb1! 11.a3 Ka2!=

9…Kd1 10.Kc3 Kc1
10…Ke2 11.Kd4 Kf3 12.Nc3 Kg4 13.Kc5+-

11.a3 Kd1
main 1 : 11…Nd5+ 12.Kb3 Nb6 13.Nd6 Kd2 (13…Kd1 14.Nc4 Nd5 15.a4+-) 14.Nc4+ Nxc4 15.Kxc4+-

12.Nd6 Nd5+ 13.Kc4 Nb6+ 14.Kb5 Nd5 15.Kc6!
Try : 15.Ne4? Kc2 16.a4 Kd3 17.Nc5+ Kd4 18.a5 Ke5 19.Nb7 Ke6 20.Kc5 Nc7 21.Kc6 Na6 22.Kb6 Nb4 23.Nc5+ Kd6 24.Ne4+ Kd7=

15…Nc3 16.Ne4! Nxe4
main 2 : 16…Na4 17.Kb5 Nb2 18.Kb4 Ke2 19.Kb3! (19.Nc5? Ke3 20.Kc3 Nd1+ 21.Kc2 Nf2=) 19…Nd3 (19…Ke3 20.Nf2!+-) 20.Kc3 Ke3 21.Nd6 Nc5 (21…Nf4 22.Kc4 Nd3 23.Kd5 Nb2 24.Nc4+!+-) 22.Kc4 Nd7! 23.Kb5! Kd4 24.a4 Ke5 25.Nb7! Kd5 26.a5 Nb8 27.Kb6 Nc6 (27…Kd4 28.Kc7 Na6+ 29.Kc6+-) 28.a6+-

17.a4 Nf2 18.a5 Nd3 19.Kb5!+-

B) 3…Ka1 4.Nb4!
Try them : 4.Rxe2? Nxe2 5.Kxa5 Nc3 6.Kb4 Nxa4 7.Kb3 Kb1!= similar to try them. in (1)

4…axb4 5.Rxe2 Nxe2 6.a5 Nc3
6…Kxa2 7.a6 b3 8.a7 b2 9.a8Q+-

7.a6 Nxa2 8.a7 b3 9.a8Q b2 10.Qh8!+-

C) 3…Kc3 4.Rxe2 Nxe2 5.Kxa5 Kc4 6.Kb6 Nc3 7.a5 Nd5+ 8.Kc6 Ne7+ 9.Kd7 Kb5
9…Nd5 10.a4! Nc3 11.Kd6/c7 .Nxa4 12.Kc6!+

10.Nc7+ Kxa5 11.Kxe7 Ka4 12.Nd5 Ka3 13.Nc3+-