Problem Display
PID: 228276 (1Q2N3/2P1p1pB/3pP3/p2P2pp/P5pk/8/3P2P1/6K1 w - - 0 1)

Christensen, Christen

Tidskrift for Schack, 1911

1Q2N3/2P1p1pB/3pP3/p2P2pp/P5pk/8/3P2P1/6K1

#3

10 + 8


SOLUTION


  • SOUND
  • Tries
    • 1.Kf2?
      • threat
        • 2.Qb3
          • threat
            • 3.Qg3#
          • 2...g3+
            • 3.Qxg3#
      • 1...g6
        • 2.Qb3
          • 2...g3+
            • 3.Qxg3#
      • 1...g3+!
    • 1.Sxg7?
      • threat
        • 2.Sf5#
      • 1...Kg3
        • 2.Qa7
          • threat
            • 3.Qf2#
          • 2...Kf4
            • 3.Qe3#
          • 2...Kh4
            • 3.Sf5#
        • 2.Qb2
          • 2...Kf4
            • 3.Sxh5#
          • 2...Kh4
            • 3.Sf5#
          • 2...h4
            • 3.Sh5#
        • 2.Qb3+
          • 2...Kf4
            • 3.Qe3#
          • 2...Kh4
            • 3.Sf5#
        • 2.Qb6
          • threat
            • 3.Qf2#
          • 2...Kf4
            • 3.Qe3#
          • 2...Kh4
            • 3.Sf5#
        • 2.Qf8
          • threat
            • 3.Qf2#
          • 2...Kh4
            • 3.Sf5#
        • 2.Qh8
          • 2...Kf4
            • 3.Sxh5#
          • 2...Kh4
            • 3.Sf5#
          • 2...h4
            • 3.Sh5#
      • 1...g3!
    • 1.Qa7?
      • 1...g6
        • 2.Qd4
          • 2...Kg3
            • 3.Qf2#
      • 1...g3!
    • 1.Qb3?
      • threat
        • 2.Kf2
          • threat
            • 3.Qg3#
          • 2...g3+
            • 3.Qxg3#
        • 2.Kh2
          • threat
            • 3.Qg3#
            • 3.g3#
          • 2...g3+
            • 3.Qxg3#
      • 1...g6
        • 2.Kf2
          • 2...g3+
            • 3.Qxg3#
        • 2.Kh2
          • 2...g3+
            • 3.Qxg3#
      • 1...g3!
    • 1.Qb6?
      • 1...g6
        • 2.Qd4
          • 2...Kg3
            • 3.Qf2#
      • 1...g3!
  • Keys
    • 1.Qb2!
      • 1...Kg3
        • 2.Sxg7
          • 2...Kf4
            • 3.Sxh5#
          • 2...Kh4
            • 3.Sf5#
          • 2...h4
            • 3.Sh5#
      • 1...g3
        • 2.Qxg7
          • 2...Kg4
            • 3.Qd4#
          • 2...g4
            • 3.Qxe7#
      • 1...g6
        • 2.Qd4
          • 2...Kg3
            • 3.Qf2#

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).