Problem Display
PID: 25030 (8/4p2p/1pB1R3/p2Np3/2n1k2P/p1P1N1P1/4P1p1/6K1 w - - 0 1)

Heathcote, Godfrey

1st Prize, American Chess Bulletin, 1907

8/4p2p/1pB1R3/p2Np3/2n1k2P/p1P1N1P1/4P1p1/6K1

#3

9 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Sd6
      • 2.Ba4
        • threat
          • 3.Bc2#
  • Tries
    • 1.Sd1?
      • threat
        • 2.S5e3#
        • 2.Sxe7#
      • 1...Se3
        • 2.S5xe3#
      • 1...Kf5!
    • 1.Sc2?
      • threat
        • 2.Sde3#
        • 2.Sxe7#
      • 1...Se3
        • 2.Sdxe3#
      • 1...Kf5!
    • 1.Sxg2?
      • threat
        • 2.Sde3#
        • 2.Sxe7#
      • 1...Se3
        • 2.Sdxe3#
      • 1...Kf5!
    • 1.Sg4?
      • threat
        • 2.Sde3#
        • 2.Sxe7#
      • 1...Se3
        • 2.Sdxe3#
        • 2.Rxe5#
      • 1...Kf5!
    • 1.Sf5?
      • threat
        • 2.Sde3#
        • 2.Sdxe7#
      • 1...Se3
        • 2.Sdxe3#
      • 1...Kxf5!
    • 1.Ba4?
      • threat
        • 2.Bc2#
      • 1...Sb2
        • 2.Bc2+
          • 2...Sd3
            • 3.Bxd3#
      • 1...Sxe3!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Sxc4
          • threat
            • 3.Sde3#
            • 3.Sxe7#
          • 2...Kf5
            • 3.Sde3#
          • 2...exd6
            • 3.Sxd6#
        • 2.Sf4+
          • 2...Kxe3
            • 3.Rd3#
      • 1...Sxe3
        • 2.Sf6+
          • 2...Kf5
            • 3.Be4#
      • 1...Sxd6
        • 2.Ba4
          • threat
            • 3.Bc2#
      • 1...exd6
        • 2.Bd7
          • threat
            • 3.Bf5#
          • 2...Sxe3
            • 3.Sf6#
      • 1...Sb2
        • 2.Sf5
          • threat
            • 3.Sde3#
            • 3.Sdxe7#
          • 2...Kxf5
            • 3.Se3#
          • 2...exd6
            • 3.Sxd6#
      • 1...Sd2
        • 2.Sf4+
          • 2...Kxe3
            • 3.Rd3#
      • 1...a2
        • 2.Sf4+
          • 2...Kxe3
            • 3.Rd3#
      • 1...b5
        • 2.Sf4+
          • 2...Kxe3
            • 3.Rd3#
      • 1...e6
        • 2.Sf4+
          • 2...Kxe3
            • 3.Rd3#

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).