MESON Chess Problem Database

Problem Display
PID: 189363 (1KN1kNB1/3pB3/R7/7n/8/2n5/8/8 w - - 0 1)

Junker, Karl

Zurcher Woche, 1970

1KN1kNB1/3pB3/R7/7n/8/2n5/8/8

#3

6 + 4

328 Schweizerische Schachzeitung 1972

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Rf6
        • threat
          • 3.Bf7#
    • 1...Sf4
      • 2.Rf6
        • threat
          • 3.Bf7#
    • 1...Sf6
      • 2.Rxf6
        • threat
          • 3.Bf7#
    • 1...Sg7
      • 2.Rf6
        • threat
          • 3.Bf7#
    • 1...d5
      • 2.Rd6
        • threat
          • 3.Rd8#
    • 1...d6
      • 2.Rxd6
        • threat
          • 3.Rd8#
  • Tries
    • 1.Rd6?
      • threat
        • 2.Rxd7
          • threat
            • 3.Sd6#
            • 3.Rd8#
      • 1...Se4
        • 2.Se6
          • threat
            • 3.Sc7#
          • 2...dxe6
            • 3.Rd8#
        • 2.Rxd7
          • threat
            • 3.Rd8#
      • 1...Sb5
        • 2.Se6
          • 2...Sxd6
            • 3.Sc7#
          • 2...dxe6
            • 3.Rd8#
          • 2...Sa3
            • 3.Sc7#
          • 2...Sc3
            • 3.Sc7#
          • 2...Sd4
            • 3.Sc7#
          • 2...Sa7
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
          • 2...Sg3
            • 3.Sg7#
          • 2...Sf4
            • 3.Sg7#
          • 2...Sf6
            • 3.Sg7#
          • 2...Sg7
            • 3.Sxg7#
        • 2.Rxd7
          • threat
            • 3.Rd8#
      • 1...Sf6
        • 2.Rxf6
          • threat
            • 3.Bf7#
      • 1...Sd5!
    • 1.Ra7?
      • threat
        • 2.Rxd7
          • threat
            • 3.Sd6#
            • 3.Rd8#
      • 1...Se4
        • 2.Rxd7
          • threat
            • 3.Rd8#
      • 1...Sb5
        • 2.Rxd7
          • threat
            • 3.Rd8#
      • 1...Sd5
        • 2.Se6
          • 2...Sxe7
            • 3.Sd6#
          • 2...dxe6
            • 3.Sd6#
          • 2...Sc3
            • 3.Sc7#
          • 2...Se3
            • 3.Sc7#
          • 2...Sb4
            • 3.Sc7#
          • 2...Sdf4
            • 3.Sc7#
          • 2...Sb6
            • 3.Sc7#
          • 2...Sdf6
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
          • 2...Sg3
            • 3.Sg7#
          • 2...Shf4
            • 3.Sg7#
          • 2...Shf6
            • 3.Sg7#
          • 2...Sg7
            • 3.Sxg7#
          • 2...d6
            • 3.Sxd6#
      • 1...Sf6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sc7#
      • 1...dxe6
        • 2.Rd6
          • threat
            • 3.Rd8#
      • 1...d5
        • 2.Sc7+
          • 2...Kd7
            • 3.Be6#
            • 3.Rd6#
        • 2.Rd6
          • threat
            • 3.Sc7#
            • 3.Rd8#
      • 1...d6
        • 2.Sc7+
          • 2...Kd7
            • 3.Be6#
            • 3.Rxd6#
        • 2.Rxd6
          • threat
            • 3.Sc7#
            • 3.Rd8#
      • 1...Sb5
        • 2.Rd6
          • 2...Sxd6
            • 3.Sc7#
          • 2...dxe6
            • 3.Rd8#
          • 2...Sa3
            • 3.Sc7#
          • 2...Sc3
            • 3.Sc7#
          • 2...Sd4
            • 3.Sc7#
          • 2...Sa7
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
          • 2...Sg3
            • 3.Sg7#
          • 2...Sf4
            • 3.Sg7#
          • 2...Sf6
            • 3.Sg7#
          • 2...Sg7
            • 3.Sxg7#
      • 1...Sd5
        • 2.Ra7
          • 2...Sxe7
            • 3.Sd6#
          • 2...dxe6
            • 3.Sd6#
          • 2...Sc3
            • 3.Sc7#
          • 2...Se3
            • 3.Sc7#
          • 2...Sb4
            • 3.Sc7#
          • 2...Sdf4
            • 3.Sc7#
          • 2...Sb6
            • 3.Sc7#
          • 2...Sdf6
            • 3.Sc7#
          • 2...Sc7
            • 3.Sxc7#
          • 2...Sg3
            • 3.Sg7#
          • 2...Shf4
            • 3.Sg7#
          • 2...Shf6
            • 3.Sg7#
          • 2...Sg7
            • 3.Sxg7#
          • 2...d6
            • 3.Sxd6#

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