MESON Chess Problem Database

Problem Display
PID: 150409 (8/1Q6/7P/8/3pPpp1/3Pr3/4P1R1/5K1k w - - 0 1)

Ott, Hans

National-Zeitung, 1954

8/1Q6/7P/8/3pPpp1/3Pr3/4P1R1/5K1k

#4

7 + 5

15158 Hans Ott Schachprobleme (Kummer) 1986

SOLUTION

  • SOUND
  • Keys
    • 1.Qf7!
      • threat
        • 2.Rg1+
          • 2...Kh2
            • 3.Qxf4+
              • 3...Kh3
                • 4.Rh1#
              • 3...Rg3
                • 4.Qxg3#
              • 3...g3
                • 4.Qh4#
        • 2.Qxf4
          • threat
            • 3.Rg1#
            • 3.Rh2#
            • 3.Qh2#
          • 2...Rf3+
            • 3.exf3
              • threat
                • 4.Rg1#
                • 4.Rh2#
                • 4.Qh2#
              • 3...g3
                • 4.Qh4#
          • 2...Rg3
            • 3.Qf2
              • threat
                • 4.Rh2#
                • 4.Qg1#
              • 3...Rxg2
                • 4.Qxg2#
      • 1...Rh3
        • 2.Qxf4
          • threat
            • 3.Rg1#
          • 2...Rf3+
            • 3.exf3
              • threat
                • 4.Rg1#
                • 4.Rh2#
                • 4.Qh2#
              • 3...g3
                • 4.Qh4#
          • 2...Rg3
            • 3.Qf2
              • threat
                • 4.Rh2#
                • 4.Qg1#
              • 3...Rxg2
                • 4.Qxg2#
          • 2...g3
            • 3.Qg5
              • 3...Rxh6
                • 4.Qxh6#
              • 3...Rh2
                • 4.Rg1#
              • 3...Rh4
                • 4.Qxh4#
              • 3...Rh5
                • 4.Qxh5#
      • 1...Rg3
        • 2.Rxg3
          • threat
            • 3.Qh5#
          • 2...Kh2
            • 3.Rg2+
              • 3...Kh1
                • 4.Qh5#
              • 3...Kh3
                • 4.Qh5#
            • 3.Rxg4
              • threat
                • 4.Qh5#
              • 3...Kh1
                • 4.Rh4#
                • 4.Qh5#
              • 3...Kh3
                • 4.Qh5#
            • 3.Qxf4
              • 3...Kh1
                • 4.Rg1#
            • 3.Rg1
              • threat
                • 4.Qh5#
              • 3...Kh3
                • 4.Qh5#

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