MESON Chess Problem Database

Problem Display
PID: 272843 (1RQ5/3P4/8/1P4r1/8/3P2P1/1pPK4/bk6 w - - 0 1)

Oestreicher, Michael

Schach-Aktiv, 1989

1RQ5/3P4/8/1P4r1/8/3P2P1/1pPK4/bk6

#4

8 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qh1+
          • 2...Ka2
            • 3.Ra8#
      • 1...Rxg3
        • 2.Qh1+
          • 2...Rg1
            • 3.Qxg1+
              • 3...Ka2
                • 4.Ra8#
      • 1...Rxb5
        • 2.Qh1+
          • 2...Ka2
            • 3.Ra8+
              • 3...Ra5
                • 4.Rxa5#
        • 2.Rxb5
          • 2...Ka2
            • 3.Ra5+
              • 3...Kb1
                • 4.Qh1#
      • 1...Rg4
        • 2.Qh1+
          • 2...Ka2
            • 3.Ra8+
              • 3...Ra4
                • 4.Rxa4#
      • 1...Re5
        • 2.Qh1+
          • 2...Re1
            • 3.Qxe1+
              • 3...Ka2
                • 4.Ra8#
        • 2.Qxe5
          • 2...Ka2
            • 3.Ra8+
              • 3...Kb1
                • 4.Qe1#
      • 1...Rf5
        • 2.Qh1+
          • 2...Rf1
            • 3.Qxf1+
              • 3...Ka2
                • 4.Ra8#
      • 1...Rh5
        • 2.Qxh5
          • 2...Ka2
            • 3.Ra8+
              • 3...Kb1
                • 4.Qd1#
                • 4.Qh1#
      • 1...Rg6
        • 2.Qh1+
          • 2...Ka2
            • 3.Ra8+
              • 3...Ra6
                • 4.Rxa6#
      • 1...Rg8
        • 2.Rxg8
          • 2...Ka2
            • 3.Ra8+
              • 3...Kb1
                • 4.Qh1#

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