查看完整版本: 西洋棋棋題（851-860）
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誠惶誠恐 發表於 2017-9-27 04:52 PM

西洋棋棋題（851-860）

851

20020629
(FEN: 8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R w - - 0 1)
Alphonse Grunenwald
Die Schwalbe, 1957
White to mate in 3 moves (白先，三步殺) (***)

http://fail.hk/forum/attachments/day_170514/20170514_42b17ab56be6b3df1a41ynxP7rv37CTH.png  http://fail.hk/forum/attachments/day_170514/20170514_f04e1fde3b85ca04c9baWrwUcMJc1tfP.png

按下滑鼠左鍵掃出答案：
★1. Ka6! >...<div class='locked'><em>瀏覽完整內容，請先 <a href='member.php?mod=register'>註冊</a> 或 <a href='javascript:;' onclick="lsSubmit()">登入會員</a></em></div><div></div>

誠惶誠恐 發表於 2019-6-5 02:07 PM

Chess Problem 851

https://chessproblem.my-free-games.com/chess/games/imgDiag.php?skin=6&col=y&pb=BP82DwRiBP9YAl84Y3OjGwHiZJgjZINmY3VkLwEF20020629
(FEN: 8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R w - - 0 1)pid=90374
Alphonse Grunenwald
1st Honourable Mention, Die Schwalbe, 1957
White to mate in 3 moves (白先，三步殺) (***)

http://www.jinchess.com/chessboard/?p=--------------B---------K---------------ppN------kp-P---r-b----R&tm=w&s=l&bp=pale-wood&cm=o  http://www.diagonaal.ee/29/green/diagol.php?position=8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R w - - 0 1

答案：
1. Ka6!
  1...  B~ 2. Na4+ Ka2 3. Rxa1#
  1... a2 2. Nb5+ Kb1 3. Na3#
  1... Ra2 2. Ne4+ Kb1 3. Nd2#
  1... Rb1 2. Nd5+ Ka2 3. Nb4#

http://www.chessforums.org/viewer.php?8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R    http://www.chessproblem.net/diagrams/image.php?ff=8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R

https://www.schachfeld.de/fenviewer.php?8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R w - - 0 1  https://forum.chesstalk.com/ChessImager/ChessImager.php?fen=8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R&coordinates=on

https://www.chess.com/dynboard?fen=8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R w - - 0 1&board=walnut&coordinates=on&piece=wood&size=3  http://www.bstephen.me.uk/meson/diagrams/image.php?ff=8/6B1/8/K7/8/ppN5/1kp1P3/r1b4R...<div class='locked'><em>瀏覽完整內容，請先 <a href='member.php?mod=register'>註冊</a> 或 <a href='javascript:;' onclick="lsSubmit()">登入會員</a></em></div>
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