MESON Chess Problem Database

Problem Display
PID: 217834 (1N6/N1k5/R7/b1K5/1P6/8/8/8 w - - 0 1)

Pogosyants, Ernest Levonovich

Vestnik, 1984

1N6/N1k5/R7/b1K5/1P6/8/8/8

#5

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rxa5!
      • threat
        • 2.Rb5
          • 2...Kd8
            • 3.Kd6
              • 3...Ke8
                • 4.Rf5
                  • 4...Kd8
                    • 5.Rf8#
      • 1...Kb7
        • 2.Kd6
          • threat
            • 3.Rb5+
              • 3...Kxa7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra5#
              • 3...Ka8
                • 4.Kc7
                  • 4...Kxa7
                    • 5.Ra5#
          • 2...Kb6
            • 3.Rb5+
              • 3...Kxa7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra5#
          • 2...Ka8
            • 3.Kc6
              • 3...Kxb8
                • 4.Kb6
                  • 4...Ka8
                    • 5.Sc6#
                • 4.Sb5
                  • 4...Kc8
                    • 5.Ra8#
                • 4.Sc8
                  • 4...Kxc8
                    • 5.Ra8#
            • 3.Rb5
              • 3...Kxa7
                • 4.Kc7
                  • 4...Ka8
                    • 5.Ra5#
          • 2...Kxb8
            • 3.Rb5+
              • 3...Kxa7
                • 4.Kc7
                  • threat
                    • 5.Ra5#
                  • 4...Ka6
                    • 5.Ra5#
                  • 4...Ka8
                    • 5.Ra5#
              • 3...Ka8
                • 4.Kc7
                  • 4...Kxa7
                    • 5.Ra5#
        • 2.Sa6
          • 2...Kxa7
            • 3.Kc6
              • 3...Ka8
                • 4.Sc7+
                  • 4...Kb8
                    • 5.Ra8#
                • 4.Kc7
                  • 4...Ka7
                    • 5.Sc5#
                    • 5.Sb8#
          • 2...Ka8
            • 3.Kc6
              • 3...Kxa7
                • 4.Sc7+
                  • 4...Kb8
                    • 5.Ra8#
                • 4.Kc7
                  • 4...Ka8
                    • 5.Sc5#
                    • 5.Sb8#

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