MESON Chess Problem Database

Problem Display
PID: 210443 (1r2k3/4B2K/2pPP2p/8/5p2/2Rn2pP/1rp2b1p/Q7 w - - 0 1)

Northcote, Henry

2nd Prize, 2. American Chess Congress, 1871

1r2k3/4B2K/2pPP2p/8/5p2/2Rn2pP/1rp2b1p/Q7

#4

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qxc6#
      • 1...h1Q
        • 2.Qxd3
          • threat
            • 3.Qg6#
          • 2...Qe4+
            • 3.Qxe4
              • threat
                • 4.Qxc6#
                • 4.Qg6#
      • 1...h1B
        • 2.Qxd3
          • threat
            • 3.Qg6#
          • 2...Be4+
            • 3.Qxe4
              • threat
                • 4.Qxc6#
                • 4.Qg6#
      • 1...Sb4
        • 2.Qe2
          • threat
            • 3.Qh5#
          • 2...Rb5
            • 3.Qxb5
              • threat
                • 4.Qh5#
                • 4.Qb8#
              • 3...cxb5
                • 4.Rc8#
              • 3...Sd5
                • 4.Qxc6#
          • 2...f3
            • 3.Rxf3
              • threat
                • 4.Rf8#
            • 3.Qxf3
              • threat
                • 4.Qh5#
                • 4.Qf7#
                • 4.Qf8#
            • 3.Qe4
              • threat
                • 4.Qg6#
            • 3.Qe5
              • threat
                • 4.Qh8#
                • 4.Qh5#
      • 1...Se5
        • 2.Qe2
          • threat
            • 3.Qh5+
              • 3...Sg6
                • 4.Qxg6#
              • 3...Sf7
                • 4.Qxf7#
            • 3.Qxe5
              • threat
                • 4.Qh8#
                • 4.Qh5#
          • 2...Sf3
            • 3.Qxf3
              • threat
                • 4.Qh5#
                • 4.Qxc6#
          • 2...Sg4
            • 3.Qxg4
              • threat
                • 4.Qh5#
                • 4.Qg6#
                • 4.Qg8#
          • 2...Sg6
            • 3.Qh5
              • threat
                • 4.Qxg6#
          • 2...Sf7
            • 3.Qh5
              • threat
                • 4.Qxf7#
          • 2...h5
            • 3.Qxh5+
              • 3...Sg6
                • 4.Qxg6#
              • 3...Sf7
                • 4.Qxf7#
            • 3.Qxe5
              • threat
                • 4.Qh8#
                • 4.Qxh5#

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