MESON Chess Problem Database

Problem Display
PID: 3345 (8/8/8/4p3/2Q1K3/p7/1pR5/k7 w - - 0 1)

Nord-Bro, K

1st Prize, Schackvarlden, 1933

8/8/8/4p3/2Q1K3/p7/1pR5/k7

#3

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...b1S
      • 2.Ra2#
      • 2.Qa2#
    • 1...b1B
      • 2.Qc3#
    • 1...b1R
      • 2.Ra2#
      • 2.Qa2#
    • 1...a2
      • 2.Qc3
        • 2...Kb1
          • 3.Qxb2#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qxa3+
          • 2...Kb1
            • 3.Qxb2#
      • 1...b1Q
        • 2.Qxa3+
          • 2...Qa2
            • 3.Rc1#
            • 3.Qxa2#
      • 1...Kb1!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxa3+
          • 2...Kb1
            • 3.Qxb2#
      • 1...Kb1
        • 2.Rc3+
          • 2...Ka1
            • 3.Rxa3#
          • 2...Ka2
            • 3.Rxa3#
      • 1...Ka2
        • 2.Qf1
          • 2...Kb3
            • 3.Qc4#
      • 1...b1Q
        • 2.Qxa3+
          • 2...Qa2
            • 3.Rc1#
            • 3.Qxa2#
      • 1...b1S
        • 2.Rc1
          • threat
            • 3.Qxb1#
            • 3.Qxa3#
          • 2...Ka2
            • 3.Qxb1#
          • 2...Kb2
            • 3.Qxb1#
          • 2...a2
            • 3.Qc3#
      • 1...a2
        • 2.Qc3
          • 2...Kb1
            • 3.Qxb2#

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