MESON Chess Problem Database

Problem Display
PID: 26391 (8/8/8/4p3/1NR5/1p1Q4/1k2K3/1n6 w - - 0 1)

Wurzburg, Otto

Source?, 1897

8/8/8/4p3/1NR5/1p1Q4/1k2K3/1n6

#3

4 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Qc3+
        • 2...Kb1
          • 3.Qc1#
        • 2...Ka3
          • 3.Qa1#
    • 1...Sa3
      • 2.Qc3+
        • 2...Kb1
          • 3.Qc1#
    • 1...Sc3+
      • 2.Qxc3+
        • 2...Kb1
          • 3.Qc1#
        • 2...Ka3
          • 3.Qa1#
  • Tries
    • 1.Qxb1+?
      • 1...Ka3
        • 2.Qa1#
      • 1...Kxb1!
    • 1.Qxb3+?
      • 1...Ka1
        • 2.Sc2#
        • 2.Qa2#
      • 1...Kxb3!
    • 1.Qc3+?
      • 1...Ka3
        • 2.Qa1#
      • 1...Sxc3+!
    • 1.Qd4+?
      • 1...Sc3+
        • 2.Qxc3+
          • 2...Kb1
            • 3.Qc1#
          • 2...Ka3
            • 3.Qa1#
      • 1...exd4!
  • Keys
    • 1.Rc1!
      • threat
        • 2.Rxb1+
          • 2...Ka3
            • 3.Qxb3#
      • 1...Sc3+
        • 2.Qxc3+
          • 2...Ka3
            • 3.Ra1#
      • 1...Kxc1
        • 2.Qc2+
          • 2...bxc2
            • 3.Sd3#
      • 1...Ka3
        • 2.Qa6+
          • 2...Kb2
            • 3.Sd3#
          • 2...Kxb4
            • 3.Rc4#
      • 1...Sd2
        • 2.Qxd2+
          • 2...Ka3
            • 3.Ra1#
        • 2.Qc3+
          • 2...Ka3
            • 3.Ra1#

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