Problem Display
PID: 269104 (8/1N1p4/4P3/8/1K6/3k1N2/7Q/8 w - - 0 1)

Petrasinovic, Petrasin

Sem Shakhmatnikh not, 2020

8/1N1p4/4P3/8/1K6/3k1N2/7Q/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qf2?
      • threat
        • 2.Sc5#
      • 1...d6
        • 2.Sg5
          • 2...d5
            • 3.Sc5#
      • 1...Ke4!
    • 1.e7?
      • threat
        • 2.e8Q
          • threat
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qhe2#
            • 3.Qh7#
            • 3.Qee2#
        • 2.e8R
          • threat
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qe2#
            • 3.Qh7#
      • 1...Ke3
        • 2.e8Q+
          • 2...Kd3
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qhe2#
            • 3.Qh7#
            • 3.Qee2#
          • 2...Kxf3
            • 3.Qee2#
      • 1...d5
        • 2.e8Q
          • 2...d4
            • 3.Se1#
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qhe2#
            • 3.Qh7#
            • 3.Qee2#
        • 2.e8R
          • 2...d4
            • 3.Se1#
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qe2#
            • 3.Qh7#
      • 1...d6
        • 2.e8Q
          • 2...d5
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qhe2#
            • 3.Qh7#
            • 3.Qee2#
        • 2.e8R
          • 2...d5
            • 3.Sc5#
            • 3.Qd2#
            • 3.Qe2#
            • 3.Qh7#
      • 1...Ke4!
  • Keys
    • 1.Sg5!
      • 1...Ke3
        • 2.Kc3
          • threat
            • 3.Qd2#
      • 1...Kd4
        • 2.Qe2
          • threat
            • 3.Qe4#
          • 2...Kd5
            • 3.Qe4#
          • 2...d5
            • 3.Sf3#
      • 1...dxe6
        • 2.Qf2
          • 2...e5
            • 3.Sc5#
      • 1...d5
        • 2.Qf2
          • 2...d4
            • 3.Sc5#
      • 1...d6
        • 2.Qf2
          • 2...d5
            • 3.Sc5#

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).