Problem Display
PID: 171621 (8/3N2K1/8/8/2k5/2n2b2/2PQ4/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Probleemblad, 1989

8/3N2K1/8/8/2k5/2n2b2/2PQ4/8

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qxc3+?
      • 1...Kb5
        • 2.Qc5+
          • 2...Ka4
            • 3.Sb6#
          • 2...Ka6
            • 3.Qb6#
      • 1...Kd5
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
          • 2...Ke6
            • 3.Sf8#
      • 1...Kxc3!
    • 1.Qd4+?
      • 1...Kb5
        • 2.Qc5+
          • 2...Ka4
            • 3.Sb6#
          • 2...Ka6
            • 3.Qb6#
      • 1...Kxd4!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qc5#
      • 1...Kb4
        • 2.Qc5+
          • 2...Ka4
            • 3.Sb6#
      • 1...Kb5
        • 2.Qc5+
          • 2...Ka4
            • 3.Sb6#
          • 2...Ka6
            • 3.Qb6#
      • 1...Kd5
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
          • 2...Ke6
            • 3.Sf8#
      • 1...Sa4
        • 2.Qb3+
          • 2...Kd4
            • 3.Qd3#
      • 1...Se4
        • 2.Qb3+
          • 2...Kd4
            • 3.Qd3#

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).