MESON Chess Problem Database

Problem Display
PID: 230502 (5B2/5P2/8/8/8/8/4K3/1k6 w - - 0 1)

Dehler, Otto Georg Edgar

Die Schwalbe, 1936

5B2/5P2/8/8/8/8/4K3/1k6

#4

3 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Ba3!
      • 1...Ka1
        • 2.f8Q
          • threat
            • 3.Qg7+
              • 3...Kb1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
            • 3.Qf6+
              • 3...Kb1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
            • 3.Qh8+
              • 3...Kb1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
            • 3.Qb4
              • 3...Ka2
                • 4.Qb2#
            • 3.Qb8
              • 3...Ka2
                • 4.Qb2#
          • 2...Kb1
            • 3.Qb4+
              • 3...Ka1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qb8+
              • 3...Ka1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qg7
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qf6
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qh8
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
          • 2...Ka2
            • 3.Qb4
              • 3...Ka1
                • 4.Qb2#
      • 1...Ka2
        • 2.f8Q
          • threat
            • 3.Qb4
              • 3...Ka1
                • 4.Qb2#
          • 2...Ka1
            • 3.Qg7+
              • 3...Kb1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
            • 3.Qf6+
              • 3...Kb1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
            • 3.Qh8+
              • 3...Kb1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
            • 3.Qb4
              • 3...Ka2
                • 4.Qb2#
            • 3.Qb8
              • 3...Ka2
                • 4.Qb2#
          • 2...Kb1
            • 3.Qb4+
              • 3...Ka1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qb8+
              • 3...Ka1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qg7
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qf6
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qh8
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
          • 2...Kb3
            • 3.Qb4+
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
      • 1...Kc2
        • 2.f8Q
          • 2...Kb1
            • 3.Qb4+
              • 3...Ka1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qb8+
              • 3...Ka1
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qg7
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qf6
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
            • 3.Qh8
              • threat
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
          • 2...Kb3
            • 3.Qb4+
              • 3...Ka2
                • 4.Qb2#
              • 3...Kc2
                • 4.Qb2#
          • 2...Kc3
            • 3.Qb4+
              • 3...Kc2
                • 4.Qb2#

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