Problem Display
PID: 275679 (4r3/1pN2pp1/3pp3/3Pp2Q/1P1k1Pp1/Np2R3/3P4/3bK3 w - - 0 1)

Novitski, Petr Adrinovich

Problemist Ukraini, 2024

4r3/1pN2pp1/3pp3/3Pp2Q/1P1k1Pp1/Np2R3/3P4/3bK3

#3

9 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...exf4
      • 2.Scb5#
    • 1...e4
      • 2.Scb5#
    • 1...exd5
      • 2.Scb5#
  • Tries
    • 1.Qh1?
      • threat
        • 2.Scb5#
        • 2.Qe4#
      • 1...exd5
        • 2.Scb5#
        • 2.Qxd5#
      • 1...Bc2
        • 2.Scb5#
      • 1...Be2
        • 2.Qe4#
      • 1...e4
        • 2.Qxe4#
      • 1...b5
        • 2.Scxb5#
        • 2.Qe4#
      • 1...f5
        • 2.Scb5#
      • 1...Bf3!
    • 1.Qf5?
      • threat
        • 2.Rd3#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Bc2
        • 2.Sxc2+
          • 2...Kc4
            • 3.Rc3#
            • 3.Qd3#
            • 3.Qe4#
          • 2...bxc2
            • 3.Qd3#
            • 3.Qe4#
      • 1...exf5!
  • Keys
    • 1.Rxe5!
      • threat
        • 2.Scb5+
          • 2...Kd3
            • 3.Re3#
      • 1...Kd3
        • 2.Re3+
          • 2...Kd4
            • 3.Scb5#
      • 1...dxe5
        • 2.Qxe5+
          • 2...Kd3
            • 3.Qe3#
      • 1...exd5
        • 2.Scb5+
          • 2...Kd3
            • 3.Qf5#
      • 1...Be2
        • 2.Kxe2
          • threat
            • 3.Scb5#
          • 2...dxe5
            • 3.Qxe5#
          • 2...b5
            • 3.Scxb5#
      • 1...b5
        • 2.Scxb5+
          • 2...Kd3
            • 3.Re3#

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).