MESON Chess Problem Database

Problem Display
PID: 102203 (3Q4/2Np4/Bk6/8/8/K7/1P6/8 w - - 0 1)

Bostrom, Ernst

Hvar a Dag, 1927

3Q4/2Np4/Bk6/8/8/K7/1P6/8

#3

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Sd5+
        • 2...Kxa6
          • 3.Qb6#
      • 2.Sa8+
        • 2...Kxa6
          • 3.Qb6#
      • 2.Qb8
        • threat
          • 3.Qb4#
          • 3.Qb5#
          • 3.b4#
  • Tries
    • 1.Qxd7?
      • 1...Ka7
        • 2.Qc6
          • 2...Kb8
            • 3.Qb7#
            • 3.Qb6#
        • 2.Qe6
          • 2...Kb8
            • 3.Qb6#
        • 2.Qd4+
          • 2...Kb8
            • 3.Qb6#
        • 2.Qd6
          • 2...Kb8
            • 3.Qb6#
      • 1...Kc5!
  • Keys
    • 1.Bb5!
      • 1...Ka5
        • 2.Qb8
          • threat
            • 3.Qa7#
            • 3.b4#
        • 2.b4+
          • 2...Kb6
            • 3.Qb8#
      • 1...Kc5
        • 2.Qf6
          • threat
            • 3.b4#
          • 2...d6
            • 3.Qf2#
      • 1...Ka7
        • 2.Sa6
          • threat
            • 3.Qb8#
          • 2...Kb7
            • 3.Qb8#
      • 1...Kb7
        • 2.Sa6
          • threat
            • 3.Qb8#
          • 2...Ka7
            • 3.Qb8#
      • 1...d5
        • 2.Qb8+
          • 2...Ka5
            • 3.Qa7#
            • 3.b4#
          • 2...Kc5
            • 3.Se6#
      • 1...d6
        • 2.Qb8+
          • 2...Ka5
            • 3.Qa7#
            • 3.b4#
          • 2...Kc5
            • 3.Qa7#

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