Mat 15/03/2005

Bruno's Chess Problem: 15/03/2005

L.Kubbel, 1er Pr., Il Problema, 1933

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

Les blancs jouent

Astuce :

niveau : * (très facile) à ***** (très difficile)

1. Rd7! ... 2. Rxb7#
  1... Qb8 2. Rgxe7 ... 3. Rxb7+ Qxb7 4. Rxb7#
     2... Qc7 3. Rxc7 ... 4. Rxb7#
  1... Qc8 2. Rdxe7 ... 3. Rxb7+ Qxb7 4. Rxb7#
     2... Qc7 3. Rxc7 ... 4. Rxb7#
        3... Rb8 4. Rxb7+ Rxb7 5. Rxb7#
     2... Qd7 3. Rxd7 ... 4. Rxb7#
        3... Rb8 4. Rxb7+ Rxb7 5. Rxb7#
     2... Bd7 3. Rxd7 ... 4. Rxb7+ Qxb7 5. Rxb7#
        3... Qc7 4. Rxc7 ... 5. Rxb7#
           4... Rb8 5. Nd7#
  1... Qa8 2. Rdxe7 ... 3. Rxb7+ Qxb7 4. Rxb7#
     2... Rb8 3. Rxh7 ... 4. Rxb7+ Qxb7 5. Rxb7#
        3... Bc8 4. Rd7  Bxd7 5. Nxd7#
     2... Bc8 3. Rxb7+ Qxb7 4. Rxb7+ Bxb7 5. Nd7#