Mario García & Alain Pallier (Argentina-Francia)

Win

2nd Premio Sinfonie Scacchistiche -2015

wKh3,Qh8,pa4,a5,b6/bKf3,Ne4,Bd6,pc5,e6,g5,h7

1.Qa8!
1.Qb2? Nf2+! -+

1…g4+ 2.Kh4 g3 3.Qa6!
Try I: 3.Kh3? g2 4.Qg8 Nf2+! 5.Kh4 Ne4 6.Qg4+ Kf2 7.Kh3 Bg3! (not 7…Ng3? 8.Qd1+-) 8.Qxe4 g1Q 9.Qc2+ Kf3 10.Qc3+ Kf4!=
Try II: 3.Qh8? Be7+! (Not 3…g2? 4.Qa1 Be7+ 5.Kh5 Nf6+ 6.Kh6 Bf8+ 7.Kg5 Ne4+ 8.Kh5 Ng3+ 9.Kh4 Be7+ 10.Kh3 Ne2 11.a6 Nf4+ 12.Kh2 Ne2 13.Qd1! Bd6+ 14.Kh3 g1Q 15.Qxg1 Nxg1+ 16.Kh4+-) 4.Kh5 Nf6+! 5.Kh6 g2!=
Try III: 3.Qe8? g2 4.Qh5+ Kf2!=

3…Be7+
3…g2 4.Qd3+ Kf2 5.Qc2+ Kf3 6.Qd1+-

4.Kh5 c4!
4…g2 5.Qd3+ Kf4 (5…Kf2 6.Qc2+ Kf3 7.Qd1+-) 6.Qd1 Nf6+ 7.Kh4 Ne4+ 8.Kh3 Nf2+ 9.Kxg2 Nxd1 10.a6+-

5.Qxc4
5.b7? g2!=

5…g2
5…Nf6+ 6.Kh6 Bf8+ 7.Kg5 Ne4+ 8.Kh5+-

6.Qc1!
Try IV : 6.Qd3+? Kf4 7.Qd1 Ng3+! 8.Kh6 Bc5 9.b7 (9.a6 Nf5+ 10.Kxh7 [10.Kh5 Ne3!=] 10…Bxb6=) 9…Ba7 10.Qd2+ Kf3!=

6…Nf6+
6…Bc5 7.b7 Ba7 8.Kh4! +- (not 8.a6? Kg3=) 8…h6 and, eg,. 9.Qd1+ Kf2 10.Qc2+ Kf3 11.Qb3+ Ke2 12.Qb1! Nd2 (12…Kf3 13.a6 Bf2+ 14.Kh5 Ba7 15.Kxh6+-; 12…Kf2 13.b8Q Bxb8 14.Qxb8 g1Q 15.Qb6/a7+-) 13.Qb5+ Kd1 14.Qh5+ Ke1 15.Qe5+ Kf2 16.b8Q+-
6…Ng3+ 7.Kh6 Nf1 and, eg, 8.Qc6+ Kf2 9.Qxg2+ Kxg2 10.a6+-

7.Kh6 Bf8+ 8.Kg5 Bc5 9.Kxf6!
Try V : 9.Qd1+? Kg3 10.b7 Ne4+ 11.Kh6 Ba7 12.Qb3+ (12.Kxh7 e5=) 12…Kh4!=
Try VI : 9.Qf4+? Ke2 10.Qc4+ Kf3 11.Qd3+ Be3+ 12.Kxf6 g1Q=

9…g1Q 10.Qxg1 Bxg1 11.Kxe6
11.Ke5? Kg3(4) = and not 11…h5? 12.Kd6 +-
h5 12.Kd6/d7 h4 13.Kc7 h3 14.a6 h2 15.a7 h1Q 16.a8Q+ +-