Problem Display
PID: 220259 (8/8/2p5/8/4Q3/1kP5/N1N1K3/8 w - - 0 1)

Didenko, Vladimir Vasilovich

Suomen Shakki, 1995

8/8/2p5/8/4Q3/1kP5/N1N1K3/8

#3

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Kd2?
      • threat
        • 2.Sc1+
          • 2...Kb2
            • 3.Qb4#
      • 1...Kb2
        • 2.Sc1
          • threat
            • 3.Qb4#
          • 2...Kb1
            • 3.Qb4#
          • 2...c5
            • 3.Qb7#
      • 1...c5
        • 2.Sc1+
          • 2...Kb2
            • 3.Qb7#
      • 1...Kxa2!
    • 1.Sc1+?
      • 1...Kb2
        • 2.Kd2
          • threat
            • 3.Qb4#
          • 2...Kb1
            • 3.Qb4#
          • 2...c5
            • 3.Qb7#
      • 1...Kxc3!
  • Keys
    • 1.Sd4+!
      • 1...Kxa2
        • 2.Qc2+
          • 2...Ka1
            • 3.Sb3#
          • 2...Ka3
            • 3.Qb3#
      • 1...Kb2
        • 2.Qc2+
          • 2...Ka1
            • 3.Sb3#
          • 2...Ka3
            • 3.Qb3#
      • 1...Ka3
        • 2.Qb1
          • threat
            • 3.Qb3#
          • 2...Ka4
            • 3.Qb4#
        • 2.Qc2
          • 2...c5
            • 3.Sb5#
            • 3.Qb3#
      • 1...Ka4
        • 2.Qe7
          • threat
            • 3.Qb4#
            • 3.Qa7#
          • 2...Ka5
            • 3.Qa7#

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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).