R+D vs R+T












Les blancs jouent et gagnent

1.De5+ Ra8 [ 1...Rc8?? 2.De8# ; 1...Ra7 Ne change rien.] 2.Da1+ Rb8 [ 2...Ta7?? 3.Dh8# ] 3.Da5 Le trait a changé de main. Regardons maintenant tous les coups possibles ... 3...Rc8?? [ 3...Ta7?? 4.Dd8# ; 3...Tc7+?? 4.Dxc7+ 1-0; 3...Td7?? 4.Rxd7 1-0; 3...Te7?? 4.Dd8+ 1-0; 3...Tf7 4.De5+ Ra7 ( 4...Rc8 5.De8# ) 5.De3+ Rb8 ( 5...Ra6 6.Da3# ) 6.Db3+ 1-0; 3...Tg7?? 4.De5+ 1-0; 3...Th7 4.De5+ Ra7 ( 4...Rc8 5.De8# ; 4...Ra8 5.Da1+ Rb8 ( 5...Ta7 6.Dh8# ) 6.Db1+ 1-0) 5.Da1+ Rb8 6.Db1+ ; 3...Tb6+?? 4.Dxb6+ 1-0; 3...Tb5?? 4.Dxb5+ 1-0; 3...Tb4?? 4.Dxb4+ 1-0; 3...Tb3 4.Dd8+ Ra7 5.Dd4+ Rb8 ( 5...Ra6 6.Da4# ; 5...Ra8 6.Da4+ 1-0) 6.Df4+ Ra7 ( 6...Rc8 7.Df8# ; 6...Ra8 7.Da4+ 1-0) 7.Da4+ 1-0; 3...Tb2?? 4.De5+ 1-0; 3...Tb1 4.De5+ Ra7 ( 4...Rc8 5.De8# ; 4...Ra8 5.Dh8+ Ra7 ( 5...Tb8 6.Da1# ) 6.Dh7+ 1-0) 5.Dd4+ Rb8 ( 5...Ra6 6.Da4# ; 5...Ra8 6.Dh8+ Ra7 ( 6...Tb8 7.Da1# ) 7.Dh7+ 1-0) 6.Dh8+ Ra7 7.Dh7+ 1-0] 4.Da6 1-0



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