Diag.1 Teodorus Kok
2.p Schackvärlden- 1939-Tablas
wKa7,Na5,e3,Pb3,d5,f4,g3,h2/bKc7,Qd8,Pb4,d7,e7,f5,f6,h7
Solución:
1.d6+ Rc8! 2.Cb7 Df8! 3.Cd5 exd6 4.Ra8! h6 5.h3 h5 6.h4 Dg7! 7.Ra7! Dxg3 [7…Df8 8.Ra8!; 7…Dg4 8.Cxd6+ Rd8 9.Cb7+; 7…Dh7 8.Cxd6+ Rd8 9.Cb7+] 8.Ce7+ Rc7 9.Cd5+ Rc6 10.Ce7+ Rb5 11.Cxd6+ Rc5 12.Cb7+=
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Diag.2 Cornelis De Feijter
Deventer Dagblad, -.1936- Ganan
wKa5,Nf7,Pb5,d7/bKa7,Bh7,Pd5,e2,g7
Solución:
1.b6+ Rb7 2.Cd8+ [2.Cd6+? Rc6] 2…Rb8 [2…Ra8 3.b7+ Ra7 4.b8D+ Rxb8 5.Rb6 e1D 6.Cc6+ Ra8 7.d8D#] 3.Cc6+ Rb7 4.d8C+! Rc8 [4…Ra8 5.b7#] 5.b7+ Rd7 6.Ce5+ [6.b8D e1D+ 7.Cb4 Da1+ 8.Rb5] 6…Rc7 7.Ra6 e1D 8.Ce6+ Rd6 [8…Rb8 9.Cc6#] 9.b8D+ Rxe6 10.Dc8+! Rf6 11.Df8+ Re6 12.Df7+ Rd6 13.Dd7+ Rc5 14.De7+ [14.Dc7+? Rb4 (14…Rd4? 15.Cf3+) 15.Cd3+ Axd3+; 14.Db5+ Rd6 15.Dc6+ Re7 16.Dd7+ Rf6 17.Df7+ Rxe5] 14…Rd4 15.Cf3+-
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Diag.3 Johan Van den Ende
1.p Schakend Nederland- 1968- Tablas
wKb2,Bg5,Ra7,h4,Pa3,c6,h6/bKb8,Qh8,Nf2,Bg8,Pa4,c2,c4,f6
Solución:
1.Ae3! [1.c7+? Rxa7 2.c8D fxg5+] 1…Cd1+ [1…f5+ 2.Ad4!] 2.Rc1! Cxe3 3.c7+ Rc8 4.Txc4! Cxc4 [4…Axc4 5.Ta8+] 5.Ta8+ Rxc7 6.Ta7+ Rd6 7.Th7! Dxh7= [7…Af7 8.Txh8 Ag6 9.Tf8] =
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Diag.4 Jan H. Marwitz-
1.p Rueb MT Schakend Nederland, 1982- Ganan
wKe2,Nc6,Rf4,f7/bKa6,Ne6,Be7,Rb3
Solución:
1.Ta4+! [1.Te4? Cg5; 1.Tc4? Ac5] 1…Rb5! 2.Te4! Tb2+! [2…Cg5 3.Cd4+ Rc4 (3…Rb4 4.Cxb3+ Cxe4 5.Txe7 Cc3+ 6.Rd3 Rxb3 7.Tb7+) 4.Cxb3+ Cxe4 5.Ca5+ Rb5 6.Txe7; 2…Rxc6 3.Txe6+ Ad6 4.Tff6; 2…Cc5 3.Ca7+ Rb6 4.Texe7; 2…Cd8 3.Ca7+ Rb6 4.Tfxe7] 3.Rd1! [3.Rf1? Rxc6 4.Txe6+ Ad6 5.Tff6 Td2; 3.Rf3? Cg5+; 3.Rd3? Cc5+] 3…Cg5 4.Ca7+! [4.Te5+? Rxc6 5.Tfxe7 Rd6! 6.Te8 Tb8!; 4.Tf5+? Rxc6 5.Txe7 Rd6 6.Te8 Ce6! 7.Tf6 Tb1+ 8.Rd2 Tb2+ 9.Rd3 Tb3+ 10.Re4 Tb4+ 11.Rf5 Tf4+ 12.Rg6 Tg4+ 13.Rf5 (13.Rf7 Tg7#) 13…Tf4+] 4…Rb6! [4…Ra6 5.Ta4+; 4…Ra5 5.Tf5+] 5.Cc8+ Rc6! [5…Ra6 6.Texe7 Cxf7 7.Ta7+! Rb5 8.Tb7+; 5…Rc7? 6.Texe7+ Rxc8 7.Tf8#] 6.Cxe7+ Rb7! [6…Rd7 7.Td4+ Re8! 8.Tf5! (8.Tg7? Ce6!) 8…Ce6 9.Ta4! Rxe7 10.Ta7+ Rd6 a) 10…Rd8 11.Tf6 Cc7 (11…Tb6 12.Th6 Td6+ 13.Re1) 12.Tf8+ Re7 13.Tc8; b) 10…Re8 11.Th5! Tf2 12.Thh7 Cd8 13.Ta8 Tf8 14.Re2 Tg8 15.Re3 Tf8 16.Re4 Tg8 17.Re5 Tf8 18.Tc8 Tg8 19.Tcc7 Rf8 20.Rf6 Tg1 21.Th8+ Tg8 22.Tc8; 11.Ta6+ Rd7 12.Td5+ Re7 13.Te5] 7.Rc1! Tb3 8.Rc2 Tb5 [8…Tb6 <main> 9.Cd5+! Cxf7 10.Te7+!] 9.Tf5! Txf5 10.Tb4+! +-
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Diag.5 J. Timman -J. Van Reek
1.p Wola Gulowska Ty (c), 1994- Ganan
wKa2,Bd2,f3,Rf4,Pe5/bKe8,Nb2,Bc7,f7,Pc4,f5
Solución:
1.Ac3 [1.Txf5? c3+] 1…Axe5! 2.Axe5 c3+ 3.Rb1 Cd3 4.Txf5 c2+! [4…Ag6 <main> 5.Ah5! Cxe5 6.Ra1! (6.Ra2? Af7+! 7.Ra1 Cg6) 6…Axh5 7.Txe5+] 5.Rxc2 Ag6 6.Ah5! [6.Ac6+? Re7 7.Ad6+ Rxd6 8.Tf6+ Rc5 9.Txg6 Cb4+] 6…Cxe5 7.Rc3! Axh5 8.Txe5+-
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Diag.6 Wouter G. Mees
1.p Tijdschrift v.d. KNSB#316 (c), -1954- Ganan
wKf1,Bh6,Re7,Pa5,b2,c2,e3,g2,h3/bKf6,Qg3,Pe6,g4,h5
Solución:
1.Af4 Dh4 2.g3 Dxh3+ 3.Rg1 Rxe7 4.a6 [4.Ag5+? Rd6 5.Ah4 Rc6 6.b3 Rc5 7.b4+ Rb5 8.c3 Rc4 9.a6 Rd3 10.a7 Re2 11.a8D Df1+] 4…h4 5.Ag5+ Rd6 6.Axh4 Rc6 7.b4 Rb6 8.b5 e5 9.e4 [9.c3? e4 10.c4 Ra7 11.c5 Ra8 12.b6 Dxg3+ 13.Axg3] 9…Ra7 10.c3 Rb6 11.c4 Ra7 12.c5 Ra8 13.b6 [13.c6? Rb8 14.b6 Ra8 15.a7 Dg2+ 16.Rxg2] 13…Rb8 14.b7 Ra7 15.b8D+ Rxb8 16.c6+-
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Diag.7 Henricus Grondijs
1.p Boris JT (c), 1993- Ganan
wKf2,Ba4,Ra6,c6,Pc2,d3,d4,h2,h4/bKf4,Qa1,Bh3,Ra8,d7,Pc3,d5
Solución:
1.Tf6+ [1.Txa8? Tf7] 1…Af5 [1…Rg4 2.Axd7+ Rxh4 3.Th6+ Rg5 4.Tag6+ Rf4 5.Th4+] 2.Txf5+! [2.Txa8? Dh1] 2…Rg4! [2…Rxf5 3.Axd7+ Rf4 4.Tf6#] 3.Txa8 Ta7! [3…Td8 4.Tg5+ Rxh4 (4…Rf4 5.Ta6!) 5.Th5+ Rxh5 6.Ae8+ Txe8 7.Txa1 Tf8+ 8.Rg3 Tg8+ 9.Rf4 Tg2 10.Re5! Txc2 11.Rxd5 Txh2 12.Rc4 c2 13.Tc1 Rg5 14.Rc3 Rf5 15.Txc2; 3…Th7 4.Ad7 Dh1 5.Tg8+ Rxh4 6.Tf4+ Rh5 7.Ae8+] 4.Txa7 Rxf5 5.Ta6! [5.Ad7+? Rf4 6.Aa4 Rg4! 7.Ad7+ Rf4 8.Txa1] 5…Rf4 [5…Rg4 6.Ad7+ Rf4 7.Tf6#] 6.h3! Rf5 7.Ad7+ Rf4 8.Tf6# [8.Txa1?]+-
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Diag.8 Harold Van der Heijden
1.p Uralski Problemas-2001-Tablas
wKf7,Pf6,g7/bKh6,Nh4,Be4,Ph7
Solución:
1.g8C+! [1.g8D? Ad5+ 2.Rf8 Cg6+! (2…Axg8? 3.Rxg8 Cg6 4.f7) ; 1.Re6? Ac2 2.g8C+ Rg5 3.f7 Cg6] 1…Rg5 2.Rg7 [2.Ce7? Ag6+ 3.Rg7 h5 4.f7 Axf7] 2…Ag6 [2…Cg2 3.f7 Cf4 4.f8C!; 2…Cf3 <main> 3.f7 (3.Ch6? Ce5 4.f7 Cd7 5.Cg8 Cc5! 6.f8C h5 7.Cf6 h4!) 3…Cd4 4.f8C! h5 5.Cf6 Cf5+ 6.Rf7! Cd6+ 7.Re7 Cc8+ 8.Rf7; 2…h5 3.f7! Cg6 4.Cf6!] 3.Ch6! [3.f7? Cf5+ 4.Rh8 (4.Rf8 h5) 4…Axf7! 5.Rxh7 Ah5 6.Rh8 Ag6; 3.Ce7? h5 4.f7 Axf7 5.Rxf7 Cg2 6.Cg6 Rg4 7.Rf6 Cf4! 8.Ce5+ Rg3! 9.Rf5 h4] 3…Cg2 [3…Cf3 4.f7 Cd4 5.f8C! (5.f8D? Ce6+) ; 3…Cf5+ 4.Cxf5 Rxf5 5.Rh6 Rxf6] 4.f7 Cf4 5.f8C! [5.f8D? Ce6+; 5.Rh8? Ce6 (5…Ae4? 6.f8D Cg6+ 7.Rxh7 Cxf8+ 8.Rg7) ] 5…Ch5+ 6.Rh8! [6.Rg8? Rxh6] 6…Rxh6 7.Cxh7! Cf4 [7…Axh7; 7…Ae4 8.Cf6! Cxf6] 8.Cf6! [8.Cf8? Af7 9.Ch7 Cg6#] 8…Rg5 [8…Af7 <main> 9.Cg8+! Rg6 10.Ce7+ (10.(10.Ch6? Ae6 ..Rxh6?) ) 10…Rf6 11.Cg8+ Rg6 12.Ce7+ Rh6 13.Cg8+] 9.Ch7+! [9.Cd7? Ae8! 10.Cf8 Rf6! 11.Ch7+ Rg6 12.Cf8+ Rf7 13.Ch7 Cg6#] 9…Rh6 10.Cf6!=
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Diag.9 Johan Selman
3.p New Statesman {and Nation}, 1966- Ganan
wKa1,Qb1,Pa2,a3,a6,b5/bKa8,Bh1,Rg5,Pa5,g6,h2,h3
Solución:
after Bondarenko=F e1a8 1.Dxh1+ [1.Rb2? Txb5+; 1.Dc1? Tg1; 1.Db2? Tg1+; 1.Dc2? Tg1+ 2.Rb2 Tg2; 1.Dd3? Ad5] 1…Tg2 2.b6! Rb8 [2…g5 3.b7+ Rb8 4.Db1 Tg1 5.a7+] 3.a7+ [3.Db1? Tg1! 4.a7+ Rb7] 3…Rb7 [3…Ra8 4.Db1! (4.a4? Rb7! 5.Rb1 Ra8 6.Rc1 Rb7 7.Rd1 Ra8 8.Re1 g5! 9.Rf1 g4! 10.Re1 Rb7 11.Rd1 Ra8 12.Rc1 Rb7 13.Rb1 Ra8 14.Ra1 Rb7!) 4…Rb7 5.De4+ Rxb6 6.a8D (6.a8C+? Ra7) 6…h1D+ (6…Tg1+ 7.Db1+ Txb1+ 8.Rxb1) 7.Db1+ Dxb1+ 8.Rxb1 Tg1+ (8…g5 9.Db8+ Rc5 10.Dc8+) 9.Rb2 h2 10.Db8+] 4.a4! [4.Db1? Tg1 5.a8D+ Rxa8 6.b7+ Rb8] 4…g5 [4…Ra8 5.Db1] 5.Rb1 Ra8 6.Rc1! Rb7 7.Rd1 Ra8 8.Re1 Rb7 9.Rf1 g4! 10.Re1! Ra8 11.Rd1 Rb7 12.Rc1 Ra8 13.Rb1 Rb7 14.Ra1 g3! [14…Ra8 15.Db1] 15.a3! Ra8 16.Db1! Rb7 [16…Tg1 17.b7+] 17.a8D+ [17.De4+? Rxb6! 18.a8D (18.a8C+ Ra7) 18…h1D+! (18…Tg1+? 19.Db1+ Txb1+ 20.Rxb1) 19.Db1+ Dxb1+ 20.Rxb1 Tg1+! 21.Rc2 h2; 17.Dh7+? Rxb6! 18.Dxh3 Tg1+ 19.Ra2 Rxa7! (19…h1D? 20.Dxh1 Txh1 21.a8D) ] 17…Rxa8 18.De4+ Rb8 19.De5+ Ra8 [19…Rb7 20.Dc7+ Ra6 (20…Ra8 21.Da7#) 21.Da7#] 20.Dd5+ Rb8 21.Dd6+ Ra8 22.Dc6+ Rb8 23.Dc7+ Ra8 <eg> 24.Da7#
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