Problem Display
PID: 105754 (Q6B/p7/K7/2k5/8/1P3P2/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Znamya Ilycha, 1987

Q6B/p7/K7/2k5/8/1P3P2/8/8

#3

5 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kb4
        • 2.Qc4+
          • 2...Ka3
            • 3.Qa4#
        • 2.Qb5+
          • 2...Ka3
            • 3.Qa4#
      • 1...Kxd5!
    • 1.Qc6+?
      • 1...Kb4
        • 2.Qb5+
          • 2...Ka3
            • 3.Qa4#
        • 2.Qc4+
          • 2...Ka3
            • 3.Qa4#
      • 1...Kxc6!
    • 1.Qd8?
      • 1...Kc6
        • 2.Be5
          • 2...Kc5
            • 3.Qd6#
      • 1...Kb4!
  • Keys
    • 1.Qe8!
      • 1...Kb4
        • 2.Qb5+
          • 2...Ka3
            • 3.Qa4#
      • 1...Kd5
        • 2.Be5
          • 2...Kc5
            • 3.Qb5#
      • 1...Kd6
        • 2.Bd4
          • 2...Kd5
            • 3.Qd7#
          • 2...Kc7
            • 3.Be5#

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).