Mat 25/01/2004

Bruno's Chess Problem: 25/01/2004

W.Mumme, 1er Pr., Die Schwalbe, 1932

Mat en 4(****)
chess problem diagram

Les blancs jouent

Astuce :

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

1. Rdd4! ... 2. Rc1 ... 3. Rh1#
     2... Qh4+, Qb1 3. Rh4#
  1... Qf5 2. Rc1 ... 3. Rh1#
     2... Qxf3+ 3. exf3 ... 4. Rh4#
        3... Kh3 4. Rh1#
     2... Qxf3+ 3. Kxf3 ... 4. Rh4#
        3... Kh3 4. Rh1#
  1... Qa7 2. Rc8 ... 3. Rh8+ Qh7 4. Rxh7#
     2... Qd7 3. Rxd7 ... 4. Rh8#
     2... Qh7 3. Rc1 ... 4. Rh1#
        3... Qh4+, Qb1 4. Rh4#
     2... Qxd4+ 3. Bxd4 ... 4. Rh8#
     2... Kh3 3. Rh8+ Qh7 4. Rxh7#
  1... Qh3, Qf5 2. Rh4 ... 3. Bg2 ... 4. Rxh3#
        3... Qxh4+ 4. Rxh4#
  1... Kh3 2. Bg2+ Kh2 3. Rh4+ Qxh4+ 4. Rxh4#