MESON Chess Problem Database

Problem Display
PID: 216488 (8/7p/p6K/k4p2/8/1Q6/8/1B6 w - - 0 1)

Halumbirek, Josef

Osterreichische Schachzeitung, 1952

8/7p/p6K/k4p2/8/1Q6/8/1B6

#5

3 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qb2!
      • 1...Ka4
        • 2.Bxf5
          • 2...Ka5
            • 3.Bd3
              • 3...Ka4
                • 4.Bxa6
                  • 4...Ka5
                    • 5.Qb5#
            • 3.Be6
              • 3...Ka4
                • 4.Qb6
                  • 4...Ka3
                    • 5.Qb3#
                  • 4...a5
                    • 5.Qb3#
            • 3.Bc8
              • 3...Ka4
                • 4.Bxa6
                  • 4...Ka5
                    • 5.Qb5#
            • 3.Qd4
              • 3...Kb5
                • 4.Bd7+
                  • 4...Ka5
                    • 5.Qc5#
        • 2.Qb6
          • threat
            • 3.Bc2+
              • 3...Ka3
                • 4.Qb3#
          • 2...Ka3
            • 3.Bc2
              • threat
                • 4.Qb3#
              • 3...Ka2
                • 4.Qb1+
                  • 4...Ka3
                    • 5.Qb3#
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qb1#
                    • 5.Qa3#
      • 1...f4
        • 2.Bf5
          • threat
            • 3.Bd7
              • 3...f3
                • 4.Qd4
                  • 4...f2
                    • 5.Qc5#
            • 3.Qd4
              • threat
                • 4.Qc5+
                  • 4...Ka4
                    • 5.Bc2#
                • 4.Bd7
                  • 4...f3
                    • 5.Qc5#
              • 3...Kb5
                • 4.Bd7+
                  • 4...Ka5
                    • 5.Qc5#
          • 2...Ka4
            • 3.Bd7+
              • 3...Ka5
                • 4.Qd4
                  • 4...f3
                    • 5.Qc5#
          • 2...f3
            • 3.Qd4
              • threat
                • 4.Qc5+
                  • 4...Ka4
                    • 5.Bc2#
                • 4.Bd7
                  • 4...f2
                    • 5.Qc5#
              • 3...Kb5
                • 4.Bd7+
                  • 4...Ka5
                    • 5.Qc5#

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