Diag 1) Ignace Vandecasteele
Probleemblad, 2004 – Tablas
wKa2,Ra8,Pb2,b5/bKd5,Bg4,Pc2,g7
Solución:
1.b6!
[1.Td8+? Re5 2.Te8+ Ae6+ 3.Ra3 c1D]
1…Rc6!
1…c1D 2.b7 Dc4+ 3.Ra1 Dc1+ 4.Ra2 Dc4+ 5.Ra1 Df1+ 6.Ra2=
2.Ta7!
[2.Ta3? Ae6+ 3.b3 (3.Tb3 Axb3+ 4.Rxb3 c1D) 3…c1D 4.Ta7 Axb3+ 5.Rxb3 Rxb6-+]
2…Rxb6
2…Ae6+ 3.b3 Rxb6 4.Te7 c1D (4…c1T 5.Txe6+) 5.Tb7+! Rxb7=]
3.Txg7!
[3.Ta3? Ae6+ 4.b3 c1D 5.Ta6+ Rb7 (5…Rxa6?) 6.Txe6 (6.Ta7+ Rc8 7.Ta8+ Rc7 8.Ta7+ Rd8 9.Ta8+ Ac8) 6…g5!]
3…Ah5
3…Ae6+ main 4.b3 c1D 5.Tb7+! Rxb7= (5…Rc6 6.Tc7+ Rxc7=) ; 3…c1D 4.Txg4=]
4.Tg1 Ad1 5.Tg6+ Rb5 6.Tg5+ Rb4 7.b3! c1D
[7…c1T 8.Tg2! Axb3+ 9.Rb2]
8.Tg4+! Ra5 9.Ta4+ Rb5 10.Tb4+! Rxb4 =
[10…Rc5 11.Tc4+ Dxc4 12.bxc4=]
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Diag 2) Ignace Vandecasteele
2.hm Afek-50 JT EBUR, 2002-Tablas
wKd8,Be8,Pd7,e7/bKh7,Nc5,Rc1,d3
Solución:
1.Ag6+!
[1.Rc7? Cxd7+; 1.Af7? Txd7+]
1…Rg7!
[1…Rxg6 2.e8D+ Rh7 3.Dh5+ Rg7 4.Dg5+ Rf7 5.Dxc1=]
2.Axd3
[2.e8D? Cb7+ 3.Re7 Te3+ 4.Ae4 Txe4#; 2.Re8? Th3 3.Ah7 Txh7 4.Rd8 Ce6-+]
2…Cb7+
[2…Ce6+ 3.Re8 Th1 4.d8D Th8+ 5.Rd7 Txd8+ 6.exd8D Cxd8=]
3.Re8 Cd6+ 4.Rd8 Cf7+ 5.Re8 Th1 6.d8C!
[6.d8D? Ce5! 7.Ah7 Txh7 8.Dd5 Th8+]
6…Th8+
[6…Cd6+ 7.Rd7 Td1 8.e8D Cxe8 9.Rxe8=]
7.Rd7 Ce5+ 8.Re6!
[8.Rd6? Cxd3 9.Re6 Cc5+ 10.Rd5 Cd7 11.Re6 Cf6 12.Cf7 Th1 13.Ce5 Td1 14.Cf3 Ce8 15.Ce5 Cc7+ 16.Rf5 Te1 17.e8D Cxe8]
8…Cxd3 9.Cb7!
[9.Rd7? Cc5+ 10.Rd6 Ce4+ 11.Re5 Cf6 12.Re6 Th1 13.e8C+ (13.Cc6 Te1+ 14.Ce5 Cg4 15.e8C+! (15.e8D Txe5+ 16.Rd7 Cf6+) 15…Rh6 16.Cf6 Cxe5) 13…Cxe8]
9…Cf4+
[9…Tg8 10.Cd6 Cc5+ 11.Rd5 Cd7 12.Re6 Cf6 13.Cf5+ Rg6 14.Ch4+ Rg7 15.Cf5+=]
10.Rd7 Cd5 11.e8C+! =
[11.Rd6? Cf6 12.Cd8 Th2 13.Re6 Te2+ 14.Rd6 Te1 15.e8D Cxe8+]
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Diag 3) Julien Vandiest
1.p Szachy, 1985 – Ganan
wKg8,Qd3,Bh7/bKe8,Qg2,Pg5
Solucion:
1.Db5+
[1.Ag6+? Re7 2.Da3+ Re6=; 1.Ae4? Dg4=]
1…Rd8 2.Db8+ Re7 3.De5+ Rd8 4.Af5 Da2+ 5.Ae6 Dd2 6.Dc5 g4 7.Rg7
[7.Axg4? Da2+ 8.Rf8 Df7+ 9.Rxf7=]
7…g3 8.Ag4 Db2+ 9.Rg6.Db8 10.Af5 g2 11.Rf6 Db2+ 12.Rf7 Db7+ 13.Rf8 g1D 14.Dd6 +-
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