Problem Display
PID: 39947 (6K1/8/7p/5p2/4k3/1Q3N2/2P3R1/7n w - - 0 1)

Shinkman, William Anthony

Centenniel Ty., 1876

6K1/8/7p/5p2/4k3/1Q3N2/2P3R1/7n

#3

5 + 4


3925 The Golden Argosy 1929
5066 Classic Chess Problems by Pioneer Composers 1970
3713 Snap 2016
5454 Near Snap 2018

SOLUTION


  • SOUND
  • Sets
    • 1...f4
      • 2.Qd3#
  • Tries
    • 1.Rd2?
      • threat
        • 2.Rd4#
      • 1...f4
        • 2.Qd3#
      • 1...Kf4!
    • 1.Rf2?
      • threat
        • 2.Qc4+
          • 2...Ke3
            • 3.Qd4#
      • 1...Kf4
        • 2.Qa4+
          • 2...Ke3
            • 3.Qd4#
          • 2...Kg3
            • 3.Qh4#
        • 2.Qc4+
          • 2...Ke3
            • 3.Qd4#
          • 2...Kg3
            • 3.Qh4#
        • 2.Qb4+
          • 2...Ke3
            • 3.Qd4#
          • 2...Kg3
            • 3.Qh4#
      • 1...Sxf2!
    • 1.Rg4+?
      • 1...f4
        • 2.Qd3#
      • 1...fxg4!
  • Keys
    • 1.Qc3!
      • 1...Kf4
        • 2.Sd2
          • threat
            • 3.Qd4#
          • 2...Sg3
            • 3.Qxg3#
          • 2...Sf2
            • 3.Qg3#
      • 1...Kd5
        • 2.Rd2+
          • 2...Ke4
            • 3.Rd4#
          • 2...Ke6
            • 3.Qe5#
      • 1...Sf2
        • 2.Qe5+
          • 2...Kxf3
            • 3.Rg3#
      • 1...Sg3
        • 2.Qd4+
          • 2...Kxf3
            • 3.Rf2#
      • 1...h5
        • 2.Sg5+
          • 2...Kf4
            • 3.Qd4#
          • 2...Kd5
            • 3.Rd2#

This anticipates 12987(1876), 156509(1929)

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