Vladislav Tarasiuk & Mario García

Win

Vladislav Tarasiuk & Mario G. García (Ukraine-Argentina)

1er Premio Variantim 2018

wKa8,Ng6,Pb5,c7,d2,d5,d7,e2,f5,f6/bKb6,Qf2,Rb1,f1,Pc6,g7

1.c8N+!!
1.d8Q? Kxb5 2.Qb8+ Kc4! 3.Ne5+ Kxd5 4.Qg8+ Kxe5 5.Qe6 Kf4 =
1.f7? Ra1+! (1…Kxb5? 2.c8N+-) 2.Kb8 Kxb5 3.c8N Qg3+ 4.d6 Ka6! 5.f8Q Rab1+ 6.Kc7 Rb7+ 7.Kd8 Qxg6=

1…Kc7!
1…Kc5 2.d8Q gxf6 3.Qb6+ Kb4 4.d6+-

2.d8Q+!
2.fxg7? Ra1+!–+

2…Kxd8 3.fxg7
3…Qc5 4.g8Q+ Kc7 5.Qg7+ /h7 .Kxc8 6.Qb7+ Kd8 7.Qb8+-

3…Qxe2 4.g8Q+ Qe8 5.Qxe8+
5.Qg7? Rxb5! (5…Qd7? 6.Qf8+ Qe8 7.Qxe8+- see solution) 6.d6 Qd7=

5…Kxe8 6.dxc6 Rxf5
6…Kd8 7.b6 Kxc8 (7…Rxb6 8.Nxb6 Kc7 9.Nd5+ Kxc6 10.Ngf4 /e3+-) 8.Ne7+ Kd8 9.c7+-

7.b6!
7.Nd6+? Kd8 8.Nxf5 Kc7!=

7…Rd5 8.c7!
Try: 8.b7? Rxd2 9.c7 Rxb7! 10.Nd6+ (10.Kxb7 Rb2+ 11.Nb6 Rc2 12.Ne5 Rxc7+=) 10…Rxd6 11.Kxb7 Rd7!=

8…Rxd2
8…Rc5 9.Kb7 /b8 .Kd7 10.Nf8!+-

9.Ne5!
9.b7? Rxb7!= see Try

9…Rd8!!
main 9…Rc2 10.Nd6+ Ke7 (10…Kf8 11.Ndc4 /ec4+- interference) 11.Nf5+ (11.Nec4? Rxb6 12.c8Q? Ra2–+) 11…Ke8 (11…Ke6 12.Nd4+- Fork) 12.Nd4 Rxc7 (12…Rc5 13.Ndc6+- interference) 13.bxc7 Rc1 14.Ndc6+- interference

10.b7 Ra1+ 11.Kb8 Rc1 12.Ng4!
12.Nf7? Rxc7! 13.Kxc7 Rd7+=

12…Rf1!
12…Rxc7 13.Nf6+! Kf7 14.Kxc7+-

13.Nf6+!!
Try: 13.Ka7? Ra1+ 14.Kb6 Rb1+ 15.Ka5 Rd5+!= (no15…Ra1+? 16.Kb4 Rb1+ 17.Ka3 Rd3+ 18.Ka2 Rxb7 19.Nd6+ Ke7 20.c8Q Ra7+ 21.Kb2 Rxd6 22.Ne3!+-) 16.Ka4 Rd4+ 17.Ka3 Rdb4! 18.Nd6+ Ke7 19.c8Q (19.Nf5+ Kf7! 20.Ne5+ Kf6!=) 19…R1b3+! 20.Ka2 Rb2+ 21.Ka3 R2b3+=

13…Rxf6 14.Ka7!
14.cxd8Q+ Kxd8 15.Ka7 Rf7!=

14… Rf7 15.Nd6+!+- win
15.b8Q? Rxc7+! 16.Qxc7 Rd7 17.Nd6+ Ke7=