MESON Chess Problem Database

Problem Display
PID: 9031 (3K2bn/5p1r/3N4/kB1p1P2/3QP3/1p2rp2/5p2/8 w - - 0 1)

Froberg, Johan Hilding Laurentius

Shakhmaty v SSSR, 1967

3K2bn/5p1r/3N4/kB1p1P2/3QP3/1p2rp2/5p2/8

#3

6 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qc3+
        • 2...Kb6
          • 3.Qc7#
    • 1...Re2
      • 2.Qc3+
        • 2...Kb6
          • 3.Qc7#
    • 1...Rc3
      • 2.Qxc3+
        • 2...Kb6
          • 3.Qc7#
    • 1...Rxe4
      • 2.Qc3+
        • 2...Kb6
          • 3.Qc7#
        • 2...Rb4
          • 3.Qc7#
    • 1...Rh1
      • 2.Qc5
        • threat
          • 3.Sb7#
    • 1...Rh2
      • 2.Qc5
        • threat
          • 3.Sb7#
    • 1...Rh3
      • 2.Qc5
        • threat
          • 3.Sb7#
    • 1...Rh4
      • 2.Qc5
        • threat
          • 3.Sb7#
    • 1...Rh5
      • 2.Qc5
        • threat
          • 3.Sb7#
  • Tries
    • 1.Qc3+?
      • 1...Kb6
        • 2.Qc7#
      • 1...Rxc3!
    • 1.Qd2+?
      • 1...Rc3
        • 2.Qxc3+
          • 2...Kb6
            • 3.Qc7#
      • 1...Kb6!
    • 1.Qb4+?
      • 1...Kb6
        • 2.Bc4+
          • 2...Kc6
            • 3.Bxd5#
            • 3.exd5#
          • 2...Ka7
            • 3.Qb7#
      • 1...Kxb4!
  • Keys
    • 1.f6!
      • threat
        • 2.Qc5
          • threat
            • 3.Sb7#
      • 1...Rxe4
        • 2.Qc3+
          • 2...Kb6
            • 3.Qc7#
          • 2...Rb4
            • 3.Qc7#
      • 1...dxe4
        • 2.Kc7
          • threat
            • 3.Qa4#
          • 2...Rc3+
            • 3.Qxc3#
      • 1...f1Q
        • 2.Qc5
          • threat
            • 3.Sb7#
          • 2...Qxb5
            • 3.Qxb5#
      • 1...f1B
        • 2.Qc5
          • threat
            • 3.Sb7#
          • 2...Bxb5
            • 3.Qxb5#
      • 1...Rc3
        • 2.Qxc3+
          • 2...Kb6
            • 3.Qc7#
      • 1...Rd3
        • 2.Bxd3
          • threat
            • 3.Sb7#

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