Problem Display
PID: 87207 (8/1PP5/3n4/8/8/8/8/5K1k w - - 0 1)

Radchenko, Sergei Vladimirovich

Uralski Problemist, 2001

8/1PP5/3n4/8/8/8/8/5K1k

#3

3 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.b8Q?
      • threat
        • 2.Qh8#
      • 1...Sf5
        • 2.Qb7+
          • 2...Kh2
            • 3.Qg2#
        • 2.Qa8+
          • 2...Kh2
            • 3.Qg2#
        • 2.Qh8+
          • 2...Sh4
            • 3.Qxh4#
          • 2...Sh6
            • 3.Qxh6#
      • 1...Sf7
        • 2.Qb2
          • threat
            • 3.Qg2#
        • 2.Qb7+
          • 2...Kh2
            • 3.Qg2#
        • 2.Qa8+
          • 2...Kh2
            • 3.Qg2#
      • 1...Sc8
        • 2.Qb2
          • threat
            • 3.Qh8#
            • 3.Qg2#
        • 2.Qb4
          • threat
            • 3.Qh4#
          • 2...Kh2
            • 3.Qh4#
        • 2.Qb7+
          • 2...Kh2
            • 3.Qg2#
        • 2.Qa8+
          • 2...Kh2
            • 3.Qg2#
      • 1...Se8
        • 2.Qb2
          • threat
            • 3.Qh8#
            • 3.Qg2#
        • 2.Qb4
          • threat
            • 3.Qh4#
          • 2...Kh2
            • 3.Qh4#
        • 2.Qb7+
          • 2...Kh2
            • 3.Qg2#
        • 2.Qa8+
          • 2...Kh2
            • 3.Qg2#
        • 2.c8Q
          • threat
            • 3.Qh3#
            • 3.Qcb7#
            • 3.Qc6#
      • 1...Kh2!
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qh3#
        • 2.Qh8#
      • 1...Kh2
        • 2.Qg4
          • threat
            • 3.Qg2#
            • 3.Qh4#
          • 2...Kh1
            • 3.Qh3#
            • 3.Qh5#
            • 3.Qg1#
            • 3.Qg2#
            • 3.Qh4#
      • 1...Sxc8
        • 2.b8Q
          • 2...Sd6
            • 3.Qh8#
          • 2...Sb6
            • 3.Qh8#
          • 2...Sa7
            • 3.Qh8#
          • 2...Se7
            • 3.Qh8#
      • 1...Sf5
        • 2.Qc6+
          • 2...Kh2
            • 3.Qg2#
        • 2.Qh8+
          • 2...Sh4
            • 3.Qxh4#
          • 2...Sh6
            • 3.Qxh6#

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).