Problem Display
PID: 150353 (5n2/2p1pB1r/K1P1Np2/3k4/1P3P1p/2Bp4/3P2P1/1nQ5 w - - 0 1)

Balcomb, JF

The Referee, 1925

(First published on Sun Nov 1 1925)

5n2/2p1pB1r/K1P1Np2/3k4/1P3P1p/2Bp4/3P2P1/1nQ5

#3

10 + 9


15239 Valois Notebooks 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Qxb1?
      • threat
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.b5#
      • 1...Kxc6
        • 2.Qxd3
          • threat
            • 3.Sd8#
            • 3.b5#
          • 2...Sxe6
            • 3.Be8#
      • 1...Kd6
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.b5#
      • 1...Rxf7
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.b5#
          • 2...Kxe6
            • 3.f5#
      • 1...Sxe6
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Be8#
      • 1...Rh5
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
      • 1...Sg6
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.Be8#
            • 3.b5#
      • 1...Ke4!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.b5#
      • 1...Kc4
        • 2.Sc5+
          • 2...Rxf7
            • 3.Qxd3#
          • 2...Se6
            • 3.Bxe6#
            • 3.Qxd3#
          • 2...e6
            • 3.Qxd3#
      • 1...Ke4
        • 2.Qf3+
          • 2...Kf5
            • 3.Sd4#
      • 1...Kxc6
        • 2.Qxd3
          • threat
            • 3.Sd8#
            • 3.b5#
          • 2...Sxe6
            • 3.Be8#
      • 1...Kd6
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.b5#
      • 1...Rxf7
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.b5#
          • 2...Kxe6
            • 3.f5#
      • 1...Sxc3
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
      • 1...Sxe6
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Be8#
      • 1...Rh5
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
      • 1...Sa3
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
      • 1...Sg6
        • 2.Qxd3+
          • 2...Kxc6
            • 3.Sd8#
            • 3.Be8#
            • 3.b5#

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