MESON Chess Problem Database

Problem Display
PID: 168650 (4k2r/R5pp/6P1/K7/8/2p5/8/5R2 w k - 0 1)

Oganesyan, Alexei Sergeevich

5th Place, SuperProblem 036. TT, 2012

4k2r/R5pp/6P1/K7/8/2p5/8/5R2

#5

4 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Ka6!
      • threat
        • 2.Re1+
          • 2...Kd8
            • 3.Rb1
              • threat
                • 4.Rb8#
              • 3...Kc8
                • 4.Rbb7
                  • threat
                    • 5.Ra8#
                  • 4...Kd8
                    • 5.Ra8#
                    • 5.Rb8#
        • 2.Rff7
          • threat
            • 3.Ra8#
          • 2...hxg6
            • 3.Rxg7
              • threat
                • 4.Ra8#
              • 3...Kf8
                • 4.Rgb7
                  • threat
                    • 5.Ra8#
                    • 5.Rb8#
                  • 4...Ke8
                    • 5.Ra8#
                    • 5.Rb8#
                  • 4...Kg8
                    • 5.Ra8#
                    • 5.Rb8#
                • 4.Rgc7
                  • threat
                    • 5.Ra8#
                    • 5.Rc8#
                  • 4...Ke8
                    • 5.Ra8#
                    • 5.Rc8#
                  • 4...Kg8
                    • 5.Ra8#
                    • 5.Rc8#
      • 1...hxg6
        • 2.Re1+
          • 2...Kd8
            • 3.Rb1
              • threat
                • 4.Rb8#
              • 3...Kc8
                • 4.Rbb7
                  • threat
                    • 5.Ra8#
                  • 4...Kd8
                    • 5.Ra8#
                    • 5.Rb8#
          • 2...Kf8
            • 3.Rf1+
              • 3...Ke8
                • 4.Rb1
                  • threat
                    • 5.Rb8#
                  • 4...Kd8
                    • 5.Rb8#
                  • 4...Kf8
                    • 5.Rb8#
              • 3...Kg8
                • 4.Ra8+
                  • 4...Kh7
                    • 5.Rh1#
      • 1...c2
        • 2.Rff7
          • threat
            • 3.Ra8#
          • 2...hxg6
            • 3.Rxg7
              • threat
                • 4.Ra8#
              • 3...Kf8
                • 4.Rgc7
                  • threat
                    • 5.Ra8#
                    • 5.Rc8#
                  • 4...Ke8
                    • 5.Ra8#
                    • 5.Rc8#
                  • 4...Kg8
                    • 5.Ra8#
                    • 5.Rc8#
              • 3...c1Q
                • 4.Ra8+
                  • 4...Qc8+
                    • 5.Rxc8#
              • 3...c1R
                • 4.Ra8+
                  • 4...Rc8
                    • 5.Rxc8#

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