MESON Chess Problem Database

Problem Display
PID: 252727 (1r6/6p1/6B1/8/3Q2K1/8/1P6/k7 w - - 0 1)

Froberg, Johan Hilding Laurentius

Schackvarlden, 1938

1r6/6p1/6B1/8/3Q2K1/8/1P6/k7

#3

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Kf3
        • 2...Ka2
          • 3.Qa4#
      • 2.Kg3
        • 2...Ka2
          • 3.Qa4#
      • 2.Kh3
        • 2...Ka2
          • 3.Qa4#
      • 2.Kf4
        • 2...Ka2
          • 3.Qa4#
      • 2.Kh4
        • 2...Ka2
          • 3.Qa4#
      • 2.Kg5
        • 2...Ka2
          • 3.Qa4#
      • 2.Kh5
        • 2...Ka2
          • 3.Qa4#
      • 2.Qd1+
        • 2...Ka2
          • 3.Qa4#
        • 2...Rb1
          • 3.Qxb1#
    • 1...Rb4
      • 2.Qxb4
        • 2...Ka2
          • 3.Qa3#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qa3#
      • 1...Rb4+
        • 2.Qxb4
          • 2...Ka2
            • 3.Qa3#
      • 1...Rxb2
        • 2.Qa3+
          • 2...Ra2
            • 3.Qc1#
        • 2.Qd4
          • 2...Ka2
            • 3.Qa4#
      • 1...Rb3
        • 2.Qc1+
          • 2...Ka2
            • 3.Qb1#
      • 1...Ra8
        • 2.Qc1+
          • 2...Ka2
            • 3.Bf7#
      • 1...Kxb2!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qa3#
      • 1...Rb4+
        • 2.Qxb4
          • 2...Ka2
            • 3.Qa3#
      • 1...Rxb2
        • 2.Qd4
          • 2...Ka2
            • 3.Qa4#
        • 2.Qa3+
          • 2...Ra2
            • 3.Qc1#
      • 1...Rb3
        • 2.Qc1+
          • 2...Ka2
            • 3.Qb1#
      • 1...Ra8
        • 2.Qc1+
          • 2...Ka2
            • 3.Bf7#

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