Problem Display
PID: 251643 (r3k2r/Bp5p/1p1PKp1P/4p3/3P4/1p6/8/bQ6 w qk - 0 1)

Fomichev, Evgeny Vasilevich

The Problemist, 2021

r3k2r/Bp5p/1p1PKp1P/4p3/3P4/1p6/8/bQ6

#3

6 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Rf8
      • 2.d7+
        • 2...Kd8
          • 3.Bxb6#
    • 1...0-0
      • 2.Qg1+
        • 2...Kh8
          • 3.Qg7#
    • 1...0-0-0
      • 2.Qc1+
        • 2...Bc3
          • 3.Qxc3#
  • Tries
    • 1.Qg6+?
      • 1...Kd8
        • 2.Qxf6+
          • 2...Kc8
            • 3.Qxh8#
          • 2...Ke8
            • 3.Qe7#
            • 3.Qxh8#
            • 3.d7#
      • 1...hxg6!
    • 1.Qxh7?
      • threat
        • 2.Qe7#
        • 2.Qxh8#
      • 1...Kd8
        • 2.Qd7#
        • 2.Qxh8#
      • 1...Kf8
        • 2.Qf7#
        • 2.Qxh8#
      • 1...0-0-0
        • 2.Qc7#
      • 1...Rf8
        • 2.Qd7#
        • 2.Qe7#
      • 1...Rg8
        • 2.Qxg8#
        • 2.Qe7#
      • 1...Rxh7!
    • 1.d7+?
      • 1...Kd8
        • 2.Bxb6#
      • 1...Kf8!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qxf6
          • threat
            • 3.Qe7#
            • 3.Qxh8#
            • 3.d7#
      • 1...Kd8
        • 2.Qxf6+
          • 2...Kc8
            • 3.Qxh8#
          • 2...Ke8
            • 3.Qe7#
            • 3.Qxh8#
            • 3.d7#
      • 1...Kf8
        • 2.Qxf6+
          • 2...Ke8
            • 3.Qe7#
            • 3.Qxh8#
            • 3.d7#
          • 2...Kg8
            • 3.Qg7#
            • 3.Qf7#
      • 1...0-0
        • 2.Qg4+
          • 2...Kh8
            • 3.Qg7#
      • 1...0-0-0
        • 2.Ke7+
          • 2...Rd7+
            • 3.Qxd7#
      • 1...Rd8
        • 2.Qh5+
          • 2...Kf8
            • 3.Qf7#
      • 1...Rf8
        • 2.d7+
          • 2...Kd8
            • 3.Bxb6#
      • 1...Rg8
        • 2.d7+
          • 2...Kd8
            • 3.Bxb6#
          • 2...Kf8
            • 3.Qxf6#

FEATURES


NOT CLASSIFIED


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).