Problem Display
PID: 269200 (8/5Q2/N4B2/4P3/3k4/8/8/2KN4 w - - 0 1)

Petrasinovic, Petrasin

Shakhmatnaya kompozitsiya, 2018

8/5Q2/N4B2/4P3/3k4/8/8/2KN4

#3

6 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Sb4?
      • threat
        • 2.Qd5#
      • 1...Ke4
        • 2.Bg5
          • threat
            • 3.Qf4#
          • 2...Kd4
            • 3.Qd5#
          • 2...Kxe5
            • 3.Qd5#
        • 2.Bg7
          • 2...Kd4
            • 3.Qd5#
        • 2.Bh8
          • 2...Kd4
            • 3.Qd5#
      • 1...Kc5!
    • 1.Bg7?
      • 1...Ke4
        • 2.Sb4
          • 2...Kd4
            • 3.Qd5#
      • 1...Kd3!
    • 1.Bh8?
      • 1...Ke4
        • 2.Sb4
          • 2...Kd4
            • 3.Qd5#
      • 1...Kd3!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Se3
          • 2...Kc3
            • 3.Qc4#
          • 2...Kd3
            • 3.Qc4#
          • 2...Ke4
            • 3.Qd5#
          • 2...Kxe5
            • 3.Qd5#
      • 1...Kd3
        • 2.Sb4+
          • 2...Ke2
            • 3.Qf2#
          • 2...Kd4
            • 3.Qd5#
          • 2...Ke4
            • 3.Qf4#
      • 1...Ke4
        • 2.Sb4
          • threat
            • 3.Qf4#
          • 2...Kd4
            • 3.Qd5#
          • 2...Kxe5
            • 3.Qd5#
      • 1...Kxe5
        • 2.Sb4
          • threat
            • 3.Qd5#
          • 2...Kd4
            • 3.Qd5#
          • 2...Ke4
            • 3.Qd5#
            • 3.Qf4#
          • 2...Kd6
            • 3.Qe7#

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).