Problem Display
PID: 287372 (4k2r/1pR5/1P6/7p/K6p/R6p/7B/8 w k - 0 1)

Chebanov, Nikolai V

Uralski Problemist, 2005

4k2r/1pR5/1P6/7p/K6p/R6p/7B/8

#4

5 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Ra1!
      • 1...0-0
        • 2.Rg1+
          • 2...Kh8
            • 3.Be5+
              • 3...Rf6
                • 4.Bxf6#
      • 1...Rh6
        • 2.Kb5
          • threat
            • 3.Ra8#
          • 2...Rxb6+
            • 3.Kxb6
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
              • 3...Kf8
                • 4.Ra8#
          • 2...Rd6
            • 3.Bxd6
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
      • 1...Rh7
        • 2.Rxh7
          • threat
            • 3.Kb3
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
              • 3...Kf8
                • 4.Ra8#
            • 3.Kb4
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
              • 3...Kf8
                • 4.Ra8#
            • 3.Kb5
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
              • 3...Kf8
                • 4.Ra8#
            • 3.Rd1
              • 3...Kf8
                • 4.Rd8#
            • 3.Rf1
              • 3...Kd8
                • 4.Rf8#
          • 2...Kd8
            • 3.Kb3
              • threat
                • 4.Ra8#
              • 3...Kc8
                • 4.Ra8#
              • 3...Ke8
                • 4.Ra8#
            • 3.Kb4
              • threat
                • 4.Ra8#
              • 3...Kc8
                • 4.Ra8#
              • 3...Ke8
                • 4.Ra8#
            • 3.Kb5
              • threat
                • 4.Ra8#
              • 3...Kc8
                • 4.Ra8#
              • 3...Ke8
                • 4.Ra8#
            • 3.Rc1
              • 3...Ke8
                • 4.Rc8#
            • 3.Re1
              • 3...Kc8
                • 4.Re8#
            • 3.Rg1
              • threat
                • 4.Rg8#
              • 3...Kc8
                • 4.Rg8#
              • 3...Ke8
                • 4.Rg8#
          • 2...Kf8
            • 3.Rg1
              • 3...Ke8
                • 4.Rg8#
      • 1...Rf8
        • 2.Kb4
          • threat
            • 3.Ra8#
          • 2...Rf4+
            • 3.Bxf4
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
              • 3...Kf8
                • 4.Ra8#
      • 1...Rg8
        • 2.Kb3
          • threat
            • 3.Ra8#
          • 2...Rg3+
            • 3.Bxg3
              • threat
                • 4.Ra8#
              • 3...Kd8
                • 4.Ra8#
              • 3...Kf8
                • 4.Ra8#

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