Problem Display
PID: 88789 (1B2B1Nn/8/KN2k3/R1P5/4Pp2/8/7b/8 w - - 0 1)

Lochet, Jean

The Problemist, 1975

1B2B1Nn/8/KN2k3/R1P5/4Pp2/8/7b/8

#3

8 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sf7
      • 2.Bd7#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Sd7
          • threat
            • 3.Sf8#
            • 3.Ra6#
        • 2.Ra7
          • threat
            • 3.Re7#
          • 2...Sg6
            • 3.Bf7#
      • 1...Bg1
        • 2.Sd5
          • threat
            • 3.Sxf4#
            • 3.Ra6#
        • 2.Sd7
          • threat
            • 3.Sf8#
            • 3.Ra6#
          • 2...Bxc5
            • 3.Sxc5#
      • 1...Bg3
        • 2.Sd7
          • threat
            • 3.Sf8#
            • 3.Ra6#
      • 1...Sg6
        • 2.Ra7
          • threat
            • 3.Bf7#
          • 2...Se5
            • 3.Re7#
          • 2...Se7
            • 3.Rxe7#
          • 2...Sh8
            • 3.Re7#
      • 1...f3!
    • 1.Sd5?
      • threat
        • 2.Bd6
          • threat
            • 3.Sc7#
      • 1...f3
        • 2.Bxh2
          • threat
            • 3.Sc7#
      • 1...Sf7!
    • 1.c6?
      • threat
        • 2.Re5#
      • 1...Sg6
        • 2.Rf5
          • threat
            • 3.Bd7#
            • 3.Bf7#
            • 3.Rf6#
        • 2.Rg5
          • threat
            • 3.Rxg6#
          • 2...Sh4
            • 3.Re5#
          • 2...Se5
            • 3.Rxe5#
          • 2...Se7
            • 3.Re5#
          • 2...Sf8
            • 3.Re5#
          • 2...Sh8
            • 3.Re5#
      • 1...f3!
  • Keys
    • 1.Sa8!
      • threat
        • 2.Bd6
          • threat
            • 3.Sc7#
      • 1...f3
        • 2.Bxh2
          • threat
            • 3.Sc7#
      • 1...Bg1
        • 2.Bxf4
          • threat
            • 3.Sc7#
      • 1...Sf7
        • 2.c6
          • threat
            • 3.Bd7#
          • 2...Se5
            • 3.Rxe5#
          • 2...Sg5
            • 3.Re5#
          • 2...Sd6
            • 3.Sc7#
          • 2...Sh6
            • 3.Re5#
          • 2...Sd8
            • 3.Re5#
          • 2...Sh8
            • 3.Re5#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).