MESON Chess Problem Database

Problem Display
PID: 43792 (8/5K2/1pkN4/3Rp1p1/8/N1P5/1n1p2P1/2b4Q w - - 0 1)

Portilla, Vincente Maria Norberto

The Chess Player's Chronicle (Sampson), 1872

8/5K2/1pkN4/3Rp1p1/8/N1P5/1n1p2P1/2b4Q

#4

7 + 7

3498 Chess Problems by V. M. N. Portilla 1873

SOLUTION

  • SOUND
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qa8+
          • 2...Kc7
            • 3.Sdb5#
            • 3.Se8#
            • 3.Qc8#
          • 2...Kd7
            • 3.Sdb5#
            • 3.Se8#
            • 3.Qc8#
      • 1...Kxd5
        • 2.Se4
          • threat
            • 3.Qa8#
          • 2...Kxe4
            • 3.Qa8+
              • 3...Kd3
                • 4.Qf3#
              • 3...Ke3
                • 4.Qf3#
              • 3...Kf4
                • 4.Qf3#
              • 3...Kf5
                • 4.Qf3#
          • 2...Kc6
            • 3.Qc8+
              • 3...Kd5
                • 4.Qb7#
                • 4.Qa8#
      • 1...b5
        • 2.Qa8+
          • 2...Kb6
            • 3.Sc8+
              • 3...Kc7
                • 4.Sxb5#
            • 3.Qb7+
              • 3...Ka5
                • 4.Qxb5#
                • 4.Qa7#
            • 3.Saxb5
              • threat
                • 4.Sc8#
            • 3.Se8
              • threat
                • 4.Rxb5#
              • 3...b4
                • 4.Rb5#
          • 2...Kc7
            • 3.Saxb5+
              • 3...Kb6
                • 4.Sc8#
              • 3...Kd7
                • 4.Sc4#
                • 4.Se4#
                • 4.Sf5#
                • 4.Sc8#
                • 4.Se8#
                • 4.Qc8#
                • 4.Qe8#
            • 3.Se8+
              • 3...Kb6
                • 4.Rxb5#
            • 3.Qb7+
              • 3...Kd8
                • 4.Sdc4#
                • 4.Se4#
                • 4.Sdxb5#
                • 4.Sf5#
                • 4.Sc8#
                • 4.Se8#
                • 4.Qc8#
                • 4.Qe7#
            • 3.Qa7+
              • 3...Kc6
                • 4.Qb7#
              • 3...Kd8
                • 4.Qe7#
            • 3.Sc8
              • threat
                • 4.Sxb5#
              • 3...b4
                • 4.Sb5#

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