MESON Chess Problem Database

Problem Display
PID: 211243 (7b/1bN5/3B1p1Q/5r2/1KBkr3/1p3qn1/1Pp2P2/N3Rn2 w - - 0 1)

Derrickson, George H

New York Clipper, 1862

7b/1bN5/3B1p1Q/5r2/1KBkr3/1p3qn1/1Pp2P2/N3Rn2

#4

9 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qf4!
      • threat
        • 2.Se6#
      • 1...Bc8
        • 2.Bc5+
          • 2...Rxc5
            • 3.Qd6+
              • 3...Rd5
                • 4.Sb5#
                • 4.Qxd5#
        • 2.Qxf3
          • threat
            • 3.Sxb3#
            • 3.Qc3#
            • 3.Qd3#
          • 2...Re3
            • 3.fxe3+
              • 3...Sxe3
                • 4.Sxb3#
                • 4.Qxe3#
        • 2.Qxf5
          • threat
            • 3.Sb5#
            • 3.Bc5#
            • 3.Qc5#
            • 3.Qd5#
          • 2...Re5
            • 3.Bc5+
              • 3...Rxc5
                • 4.Qxc5#
            • 3.Bxe5+
              • 3...fxe5
                • 4.Sb5#
            • 3.Qxe5+
              • 3...fxe5
                • 4.Sb5#
                • 4.Bc5#
            • 3.Qxf3
              • threat
                • 4.Sxb3#
                • 4.Qc3#
                • 4.Qd3#
              • 3...Rb5+
                • 4.Sxb5#
              • 3...Re3
                • 4.Sb5#
                • 4.Qd5#

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