限著殺王棋題
Benjamin S. Wash (1853-1906, USA)
circa 1885
四步殺



Forsyth-Edwards Notation：5n2/p1Q4n/1r2p2K/2BkN2B/3pp3/2b1r1P1/N1P5/8

【備註】如遇死圖，可

• Click 原棋圖位置，便會自動彈出後備棋圖；或
  
  
• 入以下網頁：http://www.chessup.net 或 http://www.chessvideos.tv/chess-diagram-generator.php 或 http://www.chess-poster.com/fen/epd_fen.htm 或 http://www.logicalchess.com/info/diagrams/index.html 或 http://chesschitchat.com/fen-to-diagram，把以上棋題圖下的「Forsyth-Edwards Notation」碼輸入「Enter FEN」欄，便可馬上出圖。
  

1. Bxf8 threatening Qc5#

1. Bxf8 Nxf8
2. Qc4+ Kxe5
3. Qc5+ Kf6
4. Qg5#

1. Bxf8 Rc6
2. Qxc6+ Ke5
3. Qc5+ Kf6
4. Bg7#

1. Bxf8 Rd6/Rb5
2. Qxd6#/Qd6#

1. Bxf8 Bb4
2. Nxb4+ Rxb4
3. Qd6#

sorry, suspect that it takes 5 moves to mate.
4move mate is impossible

未有人答。

any hint? first move?
this one very difficult

Grateful if you would comment on the following: -

(1) Ba3, Bb4
(2) Nxb4+, Rxb4
(3) Bxb4, Rc4
(4) Qa5+
1-0

Benjamin S. Wash (1853-1906, USA)
circa 1885
White to play and mate in 4 moves

未有人答。

1. Bxf8 threatening Qc5#

1. Bxf8 Nxf8
2. Qc4+ Kxe5
3. Qc5+ Kf6
4. Qg5#

1. Bxf8 Rc6
2. Qxc6+ Ke5
3. Qc5+ Kf6
4. Bg7#

1. Bxf8 Rd6/Rb5
2. Qxd6#/Qd6#

1. Bxf8 Bb4
2. Nxb4+ Rxb4
3. Qd6#

any hint? first move?
this one very difficult

Grateful if you would comment on the following: -

Ba3, Bb4
Nxb4+, Rxb4
Bxb4, Rc4
Qa5+
1-0

sorry, suspect that it takes 5 moves to mate.
4move mate is impossible

Benjamin S. Wash (1853-1906, USA)
circa 1885
White to play and mate in 4 moves