Mat 15/02/2002

Bruno's Chess Problem: 15/02/2002

B.Stojanovic

Mat en 5(*****)
chess problem diagram

Les blancs jouent

Astuce :

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1. Rg1! ... 2. Rxa1 ... 3. Ra8+ Rxa8 4. Rxa8#
     2... Rxa3 3. Rxa3 ... 4. Ra8#
     2... Rc2 3. Ra8+ Rc8 4. Rxc8#
     2... Rxa1 3. Rxa1 ... 4. Ra8#}

  1... Rxa3 2. Kxf7 ... 3. Be7#
     2... e5+ 3. Kf6 ... 4. Be7#
        3... e4+ 4. Rxa1 ... 5. Be7#
  1... Bc3 2. Kxf7 ... 3. Be7#
     2... e5+ 3. Kf6 ... 4. Be7#
        3... e4+ 4. dxc3 ... 5. Be7#
  1... Bb2 2. Rc1 ... 3. Rc8#
     2... Bc6 (or Bxc1) 3. Kxf7 ... 4. Be7#
        3... Bf6 4. Kf6 ... 5. Be7#
     2... Bc3 3. Rxc3 ... 4. Rc8#
        3... Bc4 4. Rxc4 ... 5. Rc8#
           4... Rc2 5. Ra8#
        3... Bc6 4. Kxf7 ... 5. Be7#

  1... Bd4 2. exd4 ... 3. Kg7 ... 4. Kf6 ... 5. Be7#
        3... f6 (or f5, e5, Be4, Bc4, Rc2) 4. Ra8+ Rxa8 5. Rxa8#
        3... Rxa3 4. Rxa3 ... 5. Ra8#
        3... Rxa1 4. Rxa1 ... 5. Ra8#
     2... b2 (or Rxa3) 3. Kxf7 ... 4. Be7#
        3... e5+ 4. Kf6 ... 5. Be7#

  1... Be5 2. Kxf7 ... 3. Be7#
     2... Bxd6 3. Be7+ Bxe7 4. Rg8+ Bf8 5. Rxf8#

  1... Bf6 2. Kxf7 ... 3. Kxf6 ... 4. Be7#
     2... Bh4 3. Be7+ Bxe7 4. Rg8+ Bf8 5. Rxf8#

1... Bh8 2. Rc1 ... 3. Rc8#
     2... Bc3 3. Rxc3 ... 4. Rc8#
        3... Bc4 4. Rxc4 ... 5. Rc8#
           4... Rc2 5. Ra8#
        3... Bc6 4. Kxf7 ... 5. Be7#
     2... Bc6 3. Kxf7 ... 4. Be7#
        3... Bf6 4. Kxf6 ... 5. Be7#