Problem Display
PID: 270531 (8/2p5/k1B2N2/P5P1/3Pp3/8/4K1Q1/8 w - - 0 1)

Petrasinovic, Petrasin

idee & form, 2020

8/2p5/k1B2N2/P5P1/3Pp3/8/4K1Q1/8

#3

7 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Ke3?
      • threat
        • 2.Qb2
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#
      • 1...Kxa5
        • 2.Sd5
          • 2...Ka6
            • 3.Qa2#
      • 1...Ka7!
    • 1.Qf1?
      • 1...Kxa5
        • 2.Sd5
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...e3
        • 2.Qb1
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#
      • 1...Ka7!
    • 1.Qxe4?
      • threat
        • 2.Qb1
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#
      • 1...Ka7
        • 2.Qe8
          • 2...Ka6
            • 3.Qa8#
      • 1...Kxa5!
    • 1.Qg1?
      • 1...Kxa5
        • 2.Sd5
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...e3
        • 2.Qb1
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#
      • 1...Ka7!
  • Keys
    • 1.Qh1!
      • 1...Kxa5
        • 2.Sd5
          • threat
            • 3.Qa1#
          • 2...Ka6
            • 3.Qa1#
      • 1...Ka7
        • 2.Qh8
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
      • 1...e3
        • 2.Qb1
          • 2...Kxa5
            • 3.Qb5#
          • 2...Ka7
            • 3.Qb7#

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).