MESON Chess Problem Database

Problem Display
PID: 19671 (3Q4/7p/7P/4NP2/2p1PkN1/2P5/5P1b/K7 w - - 0 1)

Portilla, Vincente Maria Norberto

The Westminster Papers, 1872

3Q4/7p/7P/4NP2/2p1PkN1/2P5/5P1b/K7

#4

9 + 4

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

SOLUTION

  • SOUND
  • Keys
    • 1.Qh4!
      • threat
        • 2.Se3+
          • 2...Kxe5
            • 3.Sxc4#
      • 1...Kxe4
        • 2.Se3+
          • 2...Bf4
            • 3.f3+
              • 3...Kxe3
                • 4.Qe1#
              • 3...Kxe5
                • 4.Qe7#
            • 3.Kb1
              • 3...Kxe5
                • 4.Qe7#
            • 3.Ka2
              • 3...Kxe5
                • 4.Qe7#
            • 3.Kb2
              • 3...Kxe5
                • 4.Qe7#
      • 1...Bg3
        • 2.Qxg3+
          • 2...Kg5
            • 3.Sf6+
              • 3...Kxf6
                • 4.Qg7#
              • 3...Kxh6
                • 4.Sf7#
            • 3.Sf3+
              • 3...Kh5
                • 4.Qh4#
                • 4.Qh3#
            • 3.Sf7+
              • 3...Kh5
                • 4.Sf6#
                • 4.Qh3#
            • 3.f4+
              • 3...Kh5
                • 4.Qh2#
                • 4.Qh3#
            • 3.Qh3
              • 3...Kf4
                • 4.Qe3#
        • 2.fxg3+
          • 2...Kxe4
            • 3.Qf6
              • 3...Kd5
                • 4.Qc6#

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