Mat 25/05/2004

Bruno's Chess Problem: 25/05/2004

E.Zepler, 1er Pr., Memorial Berger, 1935

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

Les blancs jouent

Astuce :

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

1. Bxf5! ... 2. Bxb1 ... 3. Qb4#
  1... b5 2. Qc5+
     2... b4 3. Bxb1 ... 4. Qxb4#
     2... Ka4 3. Bxb1 ... 4. Qb4#
        3... Ka5 4. Qa7#
  1... Qb2 2. Qc5+
     2... Ka4 3. Rxb2 ... 4. Qb4#
     2... Kb3 3. Qb4+ Ka2 4. Qa4#
     2... Ka2 3. Qa5+ Kb3 4. Be6#
  1... Qb3 2. Be6 ... 3. Qxb3#
     2... Qb1, Qb2 3. Qb4+ Qxb4 4. Ra2#
     2... Qxc4 3. Bxc4 ... 4. Ra2#
  1... Qxf5+ 2. Ke7 ... 3. Qb4#
     2... Qe5+, Qg5+ 3. fxQ ... 4. Qb4#
     2... Qf6+, Qf7+, Qf8+, Qe6+, Qd7+ 3. KxQ ... 4. Qb4#
     2... Qc5+, Qe4+ 3. QxQ ... 4. Qb4#
     2... Qc2 3. RxQ ... 4. Qb4, Qa2, Ra2#
     2... Qb1 3. Ra2+ Qxa2 4. Qb4#