西洋棋棋題（921-930）

誠惶誠恐

92120020818

20020818
(FEN: 6Rq/1pNknP2/3n1Qb1/5P2/4N3/6B1/8/K1R5 w - - 0 1)pid=2001
Mark Ivanovich Adabashev
Sdroj, 1929
White to mate in 2 moves (白先，兩步殺) (**)
To supersede 20020719 (http://www.chessvideos.tv/bimg/a1jkqxbwivjf.png)


按下滑鼠左鍵掃出答案：
★1. Ne6! > 2. Rc7#
  1... Qh1 2. Rd8#
  1... Qxf6+ 2. Nxf6#
  1... Nc6 2. N4c5#
  1... Nd5 2. Nf8#
  1... Ne8 2. f8=N#
  1... Nb5/Nc4 2. N6c5#★

（有關記譜法，請參閱：

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❈　❈　❈

92220020720

20020720
(FEN: qBb5/4r2r/6Np/pBQp2R1/3pk2N/2p3P1/5P2/K7 w - - 0 1)pid=57126
Herbert Siegfried Oskar Ahues
1st Prize, Deutsche Schachzeitung, 1966
White to mate in 2 moves (白先，兩步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Ba7! ... 2. Qxd4#
  1... Qxa7 2. Qxd5#
  1... Rxa7 2. Re5#★

❈　❈　❈

92320020721

20020721
(FEN: 8/q5bB/3p1p1p/7P/3p2rk/6NN/pP1Q2P1/Kb2B3 w - - 0 1)pid=14890
Johan Axel Akerblom
1st Prize, Palkoska MT, 1956
White to mate in 3 moves (白先，三步殺) (***)



按下滑鼠左鍵掃出答案：
★1. Qe2! > 2. Ne4+
     2... Rg3 3. Bxg3#
     2... Kxh5 3. Nf4#
  1... Qa5 (or Qa3) 2. Nf5+ Kxh5 3. Nxg7#
  1... d3 2. Bg6 ... 3. Nf5#
     2... Rxg3 3. Qe4#
  1... Rxg3 2. Qf3 > 3. Bxg3#★

❈　❈　❈

92420020722

20020722
(FEN: 1QR3N1/p2ppnN1/2br4/r2k4/1P3R1b/7B/1B2P3/4nK2 w - - 0 1)pid=6932
Mark Ivanovich Adabashev
HM., Western Morning News, 1934
White to mate in 2 moves (白先，兩步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Ne8! > 2. Nc7#
  1... Bb5 2. Rc5#
  1... Ba4 (or Bb7, Ba8) 2. e4#
  1... Re6 (or Rg6, Rh6) 2. Rd4#
  1... Rf6 2. Nxe7#★

❈　❈　❈

92520020723

20020723
(FEN: 8/2Q3p1/7b/3pB3/1p4P1/1p6/nK1kB3/6N1 w - - 0 1)pid=14801
Johan Axel Akerblom
2nd Place, BCF 081. Ty., 1955-1956
White to mate in 3 moves (白先，三步殺) (***)



按下滑鼠左鍵掃出答案：
★1. Qe7! > 2. Bf4+
     2... Bxf4 3. Nf3#
     2... Ke1 3. Qh4#
  1... g5 2. Bd4 > 3. Nf3#
  1... Bg5 2. Qxg5+ Ke1 3. Bg3#
  1... Be3 2. Qxb4+ Nxb4 3. Bc3#
  1... Ke3 (or Ke1) 2. Bg3+ > 3. Nf3#★

❈　❈　❈

92620020724

20020724
(FEN: K1Q5/6N1/4p3/2Bkr3/2pr4/4b2q/1N4R1/5b1B w - - 0 1w - - 0 1)11296
Mark Ivanovich Adabashev
1st Prize, Western Morning News, 1937
White to mate in 2 moves (白先，兩步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Bf8! > 2. Qb7#
  1... Ke4 2. Rg4#
  1... Rf5 2. Qxe6#
  1... Rg5 (or Rh5) 2. Rg5#
  1... Ree4 2. Qc5#
  1... Rde4 2. Qd7#
  1... Rf4 (or Rg4, Rh4, Rd2, Rd1) 2. Rd2#
  1... Rd3 2. Qxc4#★

❈　❈　❈

92720020725

20020725
(FEN: 4B3/Kp3N1b/1ppPkNp1/p5P1/rr6/2pR4/8/5R2 w - - 0 1)pid=34410
Vladimir Pachman & Erich Ernest Zepler
1st Prize, The Problemist, 1972
White to mate in 4 moves (白先，四步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Rf5! > 2. Re5#
  1... Kxf5 2. Bd7+ Kf4 3. Bg4 > 4. Rf3#
  1... gxf5 2. Rdd5 > 3. Nd8#
     2... cxd5 3. Nh5 > 4. Ng7#
        3... d4 4. Nf4#
  1... Rb5 2. Rxb5 > 3. Nd8#
     2... cxb5 (or c5) 3. Rdd5 > 4. Nd8#★

❈　❈　❈

92820020726

20020726
(FEN: 8/4RKp1/1BPp2N1/3k1P2/B1p1pRN1/2b1p1n1/n1Q1r3/8 w - - 0 1)pid=59096
Herbert Siegfried Oskar Ahues
1st Prize, Main Post, 1966
White to mate in 2 moves (白先，兩步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Ra7! ... 2. Ne7#
  1... Bf6 2. Ra5#
  1... Nxf5 2. Qxe4#★

❈　❈　❈

92920020727

20020727
(FEN: 6R1/K7/R7/6b1/3Pn3/p7/Q7/7k w - - 0 1)pid=14828
Johan Axel Akerblom
3rd HM., Sao Paulo Chess Club, 1955-1956
White to mate in 3 moves (白先，三步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Rc6! > 2. Rc1+ Bxc1 3. Qg2#
  1... Bd2 2. Rh6+ Bxh6 3. Qg2#
  1... Nc3 2. Rxc3 > 3. Qg2#
     2... Bd2 3. Rh3#
     2... Kg1 3. Rc1#
  1... Ng3 2. Rxg5
     2... Ne2 3. Rh6#
     2... Nf1 3. Qg2#
     2... Kg1 3. Rc1#
  1... Nd2 2. Rxg5 > 3. Rh6#
     2... Nf3 (or Nf1) 3. Qg2#
  1... Nf2 2. Rxg5
     2... Ng4 3. Rc1#
     2... Nh3 3. Qg2#
     2... Kh2 3. Rh6#★

❈　❈　❈

93020020728

20020728
(FEN: 5rnq/Q2B2N1/3N3r/4k1P1/n1pR1R1p/1bb3P1/8/5K2 w - - 0 1)pid=60255
Herbert Siegfried Oskar Ahues
2nd Prize, Schweizerische Arbeiter Schachzeitung, 1969
White to mate in 2 moves (白先，兩步殺) (**)



按下滑鼠左鍵掃出答案：
★1. Bf5! > 2. Rfe4#
  1... Rxf5 2. Rxf5#
  1... Nf6 2. Qe7#
  1... Nc5 2. Qxc5#
  1... Bc2 2. Nxc4#
  1... Bxd4 2. Qxd4#★


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誠惶誠恐

Chess Problem 921

20020818
(FEN: 6Rq/1pNknP2/3n1Qb1/5P2/4N3/6B1/8/K1R5 w - - 0 1)pid=2001
Mark Ivanovich Adabashev
Sdroj, 1929
White to mate in 2 moves (白先，兩步殺) (**)

  

答案：
1. Ne6! > 2. Rc7#
  1... Qh1 2. Rd8#
  1... Qxf6+ 2. Nxf6#
  1... Nc6 2. N4c5#
  1... Nd5 2. Nf8#
  1... Ne8 2. f8=N#
  1... Nb5/Nc4 2. N6c5#

   

  

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