Problem Display
PID: 257354 (krn5/1r1p4/K7/3B4/8/8/Q7/8 w - - 0 1)

Randviir, Juri

Springaren, 1992

krn5/1r1p4/K7/3B4/8/8/Q7/8

#3

3 + 5


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Qb1?
      • threat
        • 2.Bxb7+
          • 2...Rxb7
            • 3.Qxb7#
      • 1...Sb6
        • 2.Qxb6
          • threat
            • 3.Qa7#
      • 1...Sd6!
    • 1.Qb3?
      • threat
        • 2.Bxb7+
          • 2...Rxb7
            • 3.Qxb7#
      • 1...Sb6
        • 2.Qxb6
          • threat
            • 3.Qa7#
      • 1...Sd6!
    • 1.Qb2?
      • threat
        • 2.Bxb7+
          • 2...Rxb7
            • 3.Qxb7#
      • 1...Sb6
        • 2.Qxb6
          • threat
            • 3.Qa7#
      • 1...Sd6!
  • Keys
    • 1.Qf2!
      • 1...Sb6
        • 2.Qxb6
          • threat
            • 3.Qa7#
      • 1...d6
        • 2.Qf8
          • 2...Sb6
            • 3.Bxb7#
          • 2...Sa7
            • 3.Bxb7#
          • 2...Se7
            • 3.Bxb7#

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).