Problem Display
PID: 256425 (2B5/8/2pp4/2Nk4/8/1K6/8/2Q5 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Surikov, Vladislav

Astafyeva-30 JT (Kudesnik), 2021

2B5/8/2pp4/2Nk4/8/1K6/8/2Q5

#3

4 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3+
        • 2...Kd5
          • 3.Be6#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Qf4+
          • 2...Kxd3
            • 3.Ba6#
          • 2...Kd5
            • 3.Qc4#
      • 1...Ke4
        • 2.Qf4+
          • 2...Kxd3
            • 3.Ba6#
          • 2...Kd5
            • 3.Qc4#
      • 1...c5!
    • 1.Se6?
      • threat
        • 2.Qe3
          • 2...c5
            • 3.Bb7#
        • 2.Qe1
          • 2...c5
            • 3.Bb7#
      • 1...Ke4
        • 2.Qf4+
          • 2...Kd3
            • 3.Ba6#
          • 2...Kd5
            • 3.Qd4#
            • 3.Qf5#
      • 1...Ke5
        • 2.Qf4+
          • 2...Kd5
            • 3.Qd4#
            • 3.Qf5#
      • 1...c5!
    • 1.Be6+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Ke5!
    • 1.Qf4?
      • threat
        • 2.Be6+
          • 2...Kxc5
            • 3.Qb4#
      • 1...dxc5
        • 2.Kc3
          • 2...c4
            • 3.Qd4#
      • 1...Kxc5!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qg5#
      • 1...Kxc5
        • 2.Qb1
          • 2...Kd5
            • 3.Qf5#
          • 2...d5
            • 3.Qb4#
      • 1...dxc5
        • 2.Qf4
          • 2...c4
            • 3.Qd4#

FEATURES


NOT CLASSIFIED


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).