Problem Display
PID: 88327 (8/nK6/8/2k5/P7/3Q4/1P2P3/8 w - - 0 1)

Dzektser, Abram L

Buletin Problemistic, 1973

8/nK6/8/2k5/P7/3Q4/1P2P3/8

#3

5 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Kxa7?
      • threat
        • 2.Kb7
          • 2...Kb4
            • 3.Qb5#
      • 1...Kb4
        • 2.Qb5#
      • 1...Kc6!
    • 1.Qd5+?
      • 1...Kb4
        • 2.Ka6
          • 2...Kxa4
            • 3.Qc4#
          • 2...Sb5
            • 3.Qxb5#
          • 2...Sc6
            • 3.Qb5#
          • 2...Sc8
            • 3.Qb5#
      • 1...Kxd5!
  • Keys
    • 1.e4!
      • 1...Kb4
        • 2.Qa3+
          • 2...Kc4
            • 3.Qc3#
          • 2...Ka5
            • 3.b4#
      • 1...Sb5
        • 2.Qd5+
          • 2...Kb4
            • 3.Qxb5#
      • 1...Sc6
        • 2.Qd5+
          • 2...Kb4
            • 3.Qb5#
      • 1...Sc8
        • 2.Qd5+
          • 2...Kb4
            • 3.Qb5#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).