MESON Chess Problem Database

Problem Display
PID: 164552 (K7/N7/8/8/kN6/8/7R/8 w - - 0 1)

Zujevas, Nikolajus

Sachmatija, 2007

K7/N7/8/8/kN6/8/7R/8

#5

4 + 1

SOLUTION

  • SOUND
  • Keys
    • 1.Rb2!
      • threat
        • 2.Kb7
          • threat
            • 3.Sc2
              • 3...Ka5
                • 4.Ra2#
          • 2...Ka3
            • 3.Rb1
              • 3...Ka4
                • 4.Sc2
                  • 4...Ka5
                    • 5.Ra1#
          • 2...Ka5
            • 3.Kc6
              • 3...Ka4
                • 4.Sc2
                  • 4...Ka5
                    • 5.Ra2#
            • 3.Kc7
              • 3...Ka4
                • 4.Sc2
                  • 4...Ka5
                    • 5.Ra2#
            • 3.Sc2
              • 3...Ka4
                • 4.Rb4+
                  • 4...Ka5
                    • 5.Sc6#
                • 4.Kc6
                  • 4...Ka5
                    • 5.Ra2#
                • 4.Kc7
                  • 4...Ka5
                    • 5.Ra2#
                • 4.Rb1
                  • 4...Ka5
                    • 5.Ra1#
                • 4.Rb6
                  • 4...Ka5
                    • 5.Ra6#
            • 3.Rb1
              • 3...Ka4
                • 4.Sc2
                  • 4...Ka5
                    • 5.Ra1#
        • 2.Sc2
          • 2...Ka5
            • 3.Kb7
              • 3...Ka4
                • 4.Rb4+
                  • 4...Ka5
                    • 5.Sc6#
                • 4.Kc6
                  • 4...Ka5
                    • 5.Ra2#
                • 4.Kc7
                  • 4...Ka5
                    • 5.Ra2#
                • 4.Rb1
                  • 4...Ka5
                    • 5.Ra1#
                • 4.Rb6
                  • 4...Ka5
                    • 5.Ra6#
            • 3.Kb8
              • 3...Ka4
                • 4.Kb7
                  • 4...Ka5
                    • 5.Ra2#
                • 4.Kc7
                  • 4...Ka5
                    • 5.Ra2#
              • 3...Ka6
                • 4.Kc7
                  • threat
                    • 5.Ra2#
                  • 4...Ka5
                    • 5.Ra2#
                  • 4...Kxa7
                    • 5.Ra2#
        • 2.Sd3
          • threat
            • 3.Sc6
              • 3...Ka3
                • 4.Sd4
                  • 4...Ka4
                    • 5.Ra2#
          • 2...Ka3
            • 3.Sc6
              • 3...Ka4
                • 4.Sc1
                  • 4...Ka3
                    • 5.Ra2#
          • 2...Ka5
            • 3.Sc6+
              • 3...Ka4
                • 4.Sc1
                  • 4...Ka3
                    • 5.Ra2#
            • 3.Rb3
              • threat
                • 4.Sc6+
                  • 4...Ka4
                    • 5.Sc5#
                  • 4...Ka6
                    • 5.Sc5#
              • 3...Ka4
                • 4.Sc5+
                  • 4...Ka5
                    • 5.Sc6#
                    • 5.Rb5#
              • 3...Ka6
                • 4.Sc5+
                  • 4...Ka5
                    • 5.Sc6#
                    • 5.Rb5#
            • 3.Rb4
              • 3...Ka6
                • 4.Sc5+
                  • 4...Ka5
                    • 5.Sc6#
                    • 5.Rb5#
        • 2.Rb1
          • 2...Ka3
            • 3.Kb7
              • 3...Ka4
                • 4.Sc2
                  • 4...Ka5
                    • 5.Ra1#
          • 2...Ka5
            • 3.Kb7
              • 3...Ka4
                • 4.Sc2
                  • 4...Ka5
                    • 5.Ra1#
      • 1...Ka3
        • 2.Sd3
          • 2...Ka4
            • 3.Sc6
              • 3...Ka3
                • 4.Sd4
                  • 4...Ka4
                    • 5.Ra2#

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