Problem Display
PID: 162256 (b1r5/4pp1Q/8/2PpN3/1P3k1B/N7/2p1P3/2K2B2 w - - 0 1)

Makaronets, Leonid

The Problemist, 2016

b1r5/4pp1Q/8/2PpN3/1P3k1B/N7/2p1P3/2K2B2

#3

9 + 7


5454 Near Snap 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Sac4?
      • threat
        • 2.e3#
      • 1...f5
        • 2.Qh6+
          • 2...Ke4
            • 3.Qe3#
        • 2.e3+
          • 2...Ke4
            • 3.Bg2#
            • 3.Bd3#
      • 1...d4
        • 2.Sd3+
          • 2...Kg4
            • 3.Sce5#
        • 2.Bh3
          • threat
            • 3.Sd3#
            • 3.Qf5#
          • 2...f5
            • 3.Qxf5#
          • 2...Be4
            • 3.Qh6#
        • 2.Qxf7+
          • 2...Ke4
            • 3.Bg2#
            • 3.Qf3#
      • 1...dxc4!
    • 1.Sd3+?
      • 1...Ke3
        • 2.Sxc2#
        • 2.Bf2#
      • 1...Kg4!
    • 1.Bg3+?
      • 1...Kg5
        • 2.Qh4+
          • 2...Kf5
            • 3.Bh3#
      • 1...Kxg3!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Sxc2#
        • 2.Bf2#
      • 1...Kxf5!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Sd3+
          • 2...Ke3
            • 3.Qe5#
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke3
        • 2.Sc6
          • threat
            • 3.Qf3#
            • 3.Qe5#
          • 2...Ke4
            • 3.Qf3#
            • 3.Qe5#
          • 2...Kf4
            • 3.Qf3#
      • 1...Ke4
        • 2.Sxf7
          • threat
            • 3.Qe5#
          • 2...Ke3
            • 3.Qe5#
          • 2...Kd4
            • 3.Qe5#
          • 2...Kf4
            • 3.Qf3#
          • 2...e5
            • 3.Qxe5#
      • 1...f5
        • 2.Qf3+
          • 2...Kxe5
            • 3.Qe3#
      • 1...d4
        • 2.Qg5+
          • 2...Ke4
            • 3.Bg2#
      • 1...f6
        • 2.Qg4+
          • 2...Ke3
            • 3.Sxc2#
          • 2...Kxe5
            • 3.Bg3#

Anticipated by 163766(2014)

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).