Problem Display
PID: 256928 (4N3/1K1p4/8/3N4/8/3k1P2/6Q1/8 w - - 0 1)

Bazhan, Anastasia

Kozhakin, Vladimir Vladimirovich

The Macedonian Problemist, 2021

4N3/1K1p4/8/3N4/8/3k1P2/6Q1/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Kb6?
      • 1...Kc4
        • 2.Qc2+
          • 2...Kd4
            • 3.Qe4#
          • 2...Kxd5
            • 3.Qe4#
      • 1...Kd4
        • 2.Qc2
          • threat
            • 3.Qe4#
          • 2...Kxd5
            • 3.Qe4#
          • 2...Ke5
            • 3.Qe4#
        • 2.Qe2
          • threat
            • 3.Qe4#
          • 2...Kxd5
            • 3.Qe4#
      • 1...d6!
    • 1.Qb2?
      • 1...d6
        • 2.Kc6
          • 2...Kc4
            • 3.Qc3#
        • 2.Sec7
          • 2...Kc4
            • 3.Qc3#
      • 1...Kc4!
    • 1.Qc2+?
      • 1...Kd4
        • 2.Kb6
          • threat
            • 3.Qe4#
          • 2...Kxd5
            • 3.Qe4#
          • 2...Ke5
            • 3.Qe4#
      • 1...Kxc2!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Kb6
          • threat
            • 3.Qe4#
          • 2...Kxd5
            • 3.Qe4#
      • 1...Kxe2!
  • Keys
    • 1.Sec7!
      • 1...Kc4
        • 2.Qc2+
          • 2...Kd4
            • 3.Qc3#
      • 1...Kd4
        • 2.Qd2+
          • 2...Kc4
            • 3.Qc3#
          • 2...Kc5
            • 3.Qb4#
          • 2...Ke5
            • 3.Qf4#
      • 1...d6
        • 2.Qb2
          • 2...Kc4
            • 3.Qc3#

FEATURES


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