MESON Chess Problem Database

Problem Display
PID: 217813 (8/8/1R6/k1P5/8/6K1/8/8 w - - 0 1)

Jahn, Gunther

Deutsche Schachzeitung, 1983

8/8/1R6/k1P5/8/6K1/8/8

#5

3 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rb7!
      • 1...Ka4
        • 2.c6
          • threat
            • 3.c7
              • threat
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qa8#
                  • 4...Ka5
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka3
                    • 5.Ra8#
                  • 4...Ka5
                    • 5.Ra8#
              • 3...Ka3
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka2
                    • 5.Qa8#
                  • 4...Ka4
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka2
                    • 5.Ra8#
                  • 4...Ka4
                    • 5.Ra8#
              • 3...Ka5
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka4
                    • 5.Qa8#
                  • 4...Ka6
                    • 5.Qa8#
          • 2...Ka3
            • 3.c7
              • threat
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka2
                    • 5.Qa8#
                  • 4...Ka4
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka2
                    • 5.Ra8#
                  • 4...Ka4
                    • 5.Ra8#
              • 3...Ka2
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka1
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka1
                    • 5.Ra8#
                  • 4...Ka3
                    • 5.Ra8#
              • 3...Ka4
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qa8#
                  • 4...Ka5
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka3
                    • 5.Ra8#
                  • 4...Ka5
                    • 5.Ra8#
          • 2...Ka5
            • 3.c7
              • threat
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka4
                    • 5.Qa8#
                  • 4...Ka6
                    • 5.Qa8#
              • 3...Ka4
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qa8#
                  • 4...Ka5
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka3
                    • 5.Ra8#
                  • 4...Ka5
                    • 5.Ra8#
              • 3...Ka6
                • 4.c8Q
                  • 4...Ka5
                    • 5.Qa8#
      • 1...Ka6
        • 2.c6
          • 2...Ka5
            • 3.c7
              • threat
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka4
                    • 5.Qa8#
                  • 4...Ka6
                    • 5.Qa8#
              • 3...Ka4
                • 4.c8Q
                  • threat
                    • 5.Qa8#
                  • 4...Ka3
                    • 5.Qa8#
                  • 4...Ka5
                    • 5.Qa8#
                • 4.c8R
                  • threat
                    • 5.Ra8#
                  • 4...Ka3
                    • 5.Ra8#
                  • 4...Ka5
                    • 5.Ra8#
              • 3...Ka6
                • 4.c8Q
                  • 4...Ka5
                    • 5.Qa8#

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