MESON Chess Problem Database

Problem Display
PID: 31027 (8/8/8/2p1Q3/1k2nK2/1N2N3/2B1b3/8 w - - 0 1)

Mercier, D

La Strategie, 1867

8/8/8/2p1Q3/1k2nK2/1N2N3/2B1b3/8

#4

5 + 4

SOLUTION

  • COOKED
  • Keys
    • 1.Sd5+!
      • 1...Ka4
        • 2.Sa5+
          • 2...Kxa5
            • 3.Qa1+
              • 3...Kb5
                • 4.Qa4#
            • 3.Qb8
              • threat
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
          • 2...Kb5
            • 3.Qb2+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Qb8+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Qc7
              • threat
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
        • 2.Qb2
          • threat
            • 3.Sa1+
              • 3...Ka5
                • 4.Qb6#
            • 3.Sc1+
              • 3...Ka5
                • 4.Qb6#
            • 3.Sd2+
              • 3...Ka5
                • 4.Qb6#
            • 3.Sd4+
              • 3...Ka5
                • 4.Qa1#
                • 4.Qa3#
                • 4.Qa2#
                • 4.Qb6#
            • 3.Sa5+
              • 3...Kxa5
                • 4.Qb6#
            • 3.Sxc5+
              • 3...Ka5
                • 4.Qb4#
                • 4.Qb6#
          • 2...Kb5
            • 3.Sd4+
              • 3...Kc4
                • 4.Se3#
                • 4.Sb6#
              • 3...Ka5
                • 4.Qa1#
                • 4.Qa3#
                • 4.Qa2#
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Sa5+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
      • 1...Kc4
        • 2.Sa5+
          • 2...Kb5
            • 3.Qb2+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Qb8+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Qc7
              • threat
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
      • 1...Kb5
        • 2.Qe8+
          • 2...Kc4
            • 3.Sa5+
              • 3...Kd4
                • 4.Qxe4#
                • 4.Qe5#
              • 3...Kxd5
                • 4.Qe5#
            • 3.Ke5
              • threat
                • 4.Sa5#
                • 4.Qa4#
          • 2...Ka6
            • 3.Qb8
              • threat
                • 4.Sc7#
                • 4.Qb6#
        • 2.Sa5
          • threat
            • 3.Qb2+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Qb8+
              • 3...Kxa5
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
            • 3.Qc7
              • threat
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
          • 2...Kxa5
            • 3.Qa1+
              • 3...Kb5
                • 4.Qa4#
            • 3.Qb8
              • threat
                • 4.Qb6#
              • 3...Ka6
                • 4.Qb6#
          • 2...Ka6
            • 3.Qc7
              • threat
                • 4.Qb6#
              • 3...Kb5
                • 4.Qb6#
            • 3.Qb8
              • threat
                • 4.Qb6#
              • 3...Kxa5
                • 4.Qb6#
    • 1.Qc7!
      • threat
        • 2.Qa5#
      • 1...Kb5
        • 2.Qb7+
          • 2...Ka4
            • 3.Sd4+
              • 3...Ka3
                • 4.Qb3#
              • 3...Ka5
                • 4.Sc6#

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