 |
| José Miguel Dias Figueiredo, Chirelli-Memorial, 1960. Código FEN: b1R3nB/3p1Q1p/3k4/Kp5r/1N1P4/2N5/6Br/6b1 w - - 0 1. |
As Brancas jogam e dão xeque-mate em 2 lances!
(White to play and give checkmate in 2 moves!)
Problema-bônus I: mova o Bispo Preto de g1 para f2, e ainda as Brancas jogam e dão xeque-mate em 2 lances!
(Bonus problem I: move the Black Bishop from g1 to f2, and still White to play and give checkmate in 2 moves!)
(Código FEN: b1R3nB/3p1Q1p/3k4/Kp5r/1N1P4/2N5/5bBr/8 w - - 0 1)
Problema-bônus II: mova o Bispo Preto de g1 para g3, e ainda as Brancas jogam e dão xeque-mate em 2 lances!
(Bonus problem II: move the Black Bishop from g1 to g3, and still White to play and give checkmate in 2 moves!)
(Código FEN: b1R3nB/3p1Q1p/3k4/Kp5r/1N1P4/2N3b1/6Br/8 w - - 0 1)
PCFilho
In each of the three parts White has three possible Novotny plays: 1 Sbd5, 1 Bd5, and 1 d5. All of these threaten both Se4 and Sb5, but each of these commits a possible error. 1 Sbd5 moves a knight off the a5-e1 line (making White vulnerable to a pin if the black dark-squared bishop can move to e1 or d2), 1 Bd5 opens the second rank and might allow Black to play 1 ... Ra2+, and 1 d5 opens the b6-g1 line.
ResponderExcluirIn part (a), the dark-squared bishop is on g1. 1 Sbd5! works here because said bishop can't move to e1 or d2. In part (b), with the bishop on f2, the rook's path to a2 is blocked and so 1 Bd5! works. Finally, in part (c), with the bishop on g3, it can't move to b6, so 1 d5! works.
Excelente, Jake!!
Excluir