MESON Chess Problem Database

Problem Display
PID: 80284 (8/8/K3P3/8/4N3/8/PQ6/1r5k w - - 0 1)

Ahlheim, Karl-Heinz

2nd Prize, Deutsche Schachzeitung, 1980

8/8/K3P3/8/4N3/8/PQ6/1r5k

#4

5 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qh4+
          • 2...Kg1
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
            • 3.Qg3+
              • 3...Kf1
                • 4.Qf2#
              • 3...Kh1
                • 4.Sf2#
          • 2...Kg2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#
            • 3.Qg3+
              • 3...Kf1
                • 4.Qf2#
              • 3...Kh1
                • 4.Sf2#
        • 2.Qf3+
          • 2...Kg1
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
            • 3.Qg3+
              • 3...Kf1
                • 4.Qf2#
              • 3...Kh1
                • 4.Sf2#
          • 2...Kh2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#
            • 3.Qg3+
              • 3...Kh1
                • 4.Sf2#
      • 1...Rb6+
        • 2.Kxb6
          • 2...Kg1
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
          • 2...Kg2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#
          • 2...Kh2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#
      • 1...Rf1
        • 2.Qxf1+
          • 2...Kh2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#
      • 1...Rg1
        • 2.Qh4+
          • 2...Kg2
            • 3.Qg3+
              • 3...Kf1
                • 4.Qf2#
              • 3...Kh1
                • 4.Sf2#
                • 4.Qh3#
      • 1...Rb2
        • 2.Qxb2
          • 2...Kg1
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
      • 1...Rb3
        • 2.axb3
          • 2...Kg1
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
          • 2...Kg2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#
          • 2...Kh2
            • 3.Qf2+
              • 3...Kh1
                • 4.Sg3#
              • 3...Kh3
                • 4.Qg3#

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