Problem Display
PID: 229320 (8/3Np2b/1BQpp2K/p3P3/rp1P4/2pk1p2/1P3R2/8 w - - 0 1)

Kravtsov, Nikita Igorevich

Melnichuk, Aleksandr Nikolaevich

The Macedonian Problemist, 2020

8/3Np2b/1BQpp2K/p3P3/rp1P4/2pk1p2/1P3R2/8

#3

8 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qxf3#
    • 1...b3
      • 2.Qxc3+
        • 2...Ke4
          • 3.Qxf3#
    • 1...dxe5
      • 2.Sxe5+
        • 2...Ke3
          • 3.Qxf3#
  • Tries
    • 1.Qxc3+?
      • 1...Ke4
        • 2.Qxf3#
      • 1...bxc3!
    • 1.Qc4+?
      • 1...Ke4
        • 2.d5+
          • 2...Kf5
            • 3.Rxf3#
      • 1...Kxc4!
  • Keys
    • 1.Kg5!
      • threat
        • 2.Kf4
          • threat
            • 3.Qb5#
          • 2...dxe5+
            • 3.Sxe5#
          • 2...cxb2
            • 3.Qc2#
          • 2...b3
            • 3.Qxc3#
      • 1...cxb2
        • 2.Qc2+
          • 2...Ke3
            • 3.d5#
      • 1...dxe5
        • 2.Sxe5+
          • 2...Ke3
            • 3.Qxf3#
      • 1...d5
        • 2.Kf4
          • threat
            • 3.Qb5#
          • 2...cxb2
            • 3.Qc2#
          • 2...b3
            • 3.Qxc3#
      • 1...Ra1
        • 2.Kf4
          • threat
            • 3.Qb5#
          • 2...dxe5+
            • 3.Sxe5#
          • 2...cxb2
            • 3.Qc2#
      • 1...Ra2
        • 2.Kf4
          • threat
            • 3.Qb5#
          • 2...dxe5+
            • 3.Sxe5#
          • 2...cxb2
            • 3.Qc2#
      • 1...Ra3
        • 2.Kf4
          • threat
            • 3.Qb5#
          • 2...dxe5+
            • 3.Sxe5#
          • 2...cxb2
            • 3.Qc2#
      • 1...Be4
        • 2.Qb5+
          • 2...Ke3
            • 3.d5#
      • 1...c2
        • 2.Qxc2+
          • 2...Ke3
            • 3.d5#
      • 1...b3
        • 2.Qxc3+
          • 2...Ke4
            • 3.Qxf3#

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).