MESON Chess Problem Database

Problem Display
PID: 226537 (1kN1K3/2R5/3P4/1N6/2p5/3rp3/8/8 w - - 0 1)

Launtz, William

US Problem Bulletin, 1982

1kN1K3/2R5/3P4/1N6/2p5/3rp3/8/8

#3

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Scxd6
        • threat
          • 3.Rc8#
        • 2...Ka8
          • 3.Rc8#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sc6+
          • 2...Ka8
            • 3.Sb6#
            • 3.Ra7#
      • 1...Ka8
        • 2.Sc6
          • threat
            • 3.Sb6#
            • 3.Ra7#
        • 2.Sb6+
          • 2...Kb8
            • 3.Sc6#
      • 1...Ra3
        • 2.Sc6+
          • 2...Ka8
            • 3.Sb6#
        • 2.Sb6
          • threat
            • 3.Sc6#
      • 1...Rb3
        • 2.Sc6+
          • 2...Ka8
            • 3.Ra7#
      • 1...Rxd4!
    • 1.Sba7?
      • threat
        • 2.Sc6+
          • 2...Ka8
            • 3.Sb6#
            • 3.Ra7#
      • 1...Ka8
        • 2.Sc6
          • threat
            • 3.Sb6#
            • 3.Ra7#
        • 2.Sb6+
          • 2...Kb8
            • 3.Sc6#
      • 1...Ra3
        • 2.Sc6+
          • 2...Ka8
            • 3.Sb6#
      • 1...Rb3
        • 2.Sc6+
          • 2...Ka8
            • 3.Ra7#
      • 1...Rxd6!
    • 1.Sb6?
      • threat
        • 2.Sd7+
          • 2...Ka8
            • 3.Ra7#
      • 1...Ra3
        • 2.Sd4
          • threat
            • 3.Sc6#
      • 1...Rxd6!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kxc8
            • 3.Sa7#
      • 1...Kb7
        • 2.Rb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kxc8
            • 3.Sa7#
      • 1...Ka8
        • 2.Rb6
          • threat
            • 3.Sc7#
      • 1...Rxd6
        • 2.Scxd6
          • threat
            • 3.Rc8#
          • 2...Ka8
            • 3.Rc8#
      • 1...Ra3
        • 2.Rb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kxc8
            • 3.d7#
      • 1...Rb3
        • 2.Rb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kxc8
            • 3.Sa7#
            • 3.d7#
      • 1...Rc3
        • 2.Rb6+
          • 2...Ka8
            • 3.Sc7#
          • 2...Kxc8
            • 3.Sa7#
            • 3.d7#

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