Problem Display
PID: 255370 (8/3p4/3R4/8/2pQ4/8/2PPP3/2NkN2K w - - 0 1)

Gavriliv, Evgeni M

Problemist Ukraini, 2021

8/3p4/3R4/8/2pQ4/8/2PPP3/2NkN2K

#3

8 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Kxc1
      • 2.Qa1#
    • 1...Kxe1
      • 2.Qg1#
  • Tries
    • 1.Kg2?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qg1#
      • 1...c3!
    • 1.Kh2?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qg1#
      • 1...c3!
    • 1.Sa2?
      • threat
        • 2.Qf2
          • 2...c3
            • 3.dxc3#
      • 1...Kxe1
        • 2.Sc3
          • 2...Kf1
            • 3.Qg1#
      • 1...Kxe2
        • 2.Sc3+
          • 2...Kxe1
            • 3.Qg1#
          • 2...Kf1
            • 3.Qg1#
      • 1...c3!
    • 1.Rxd7?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qg1#
      • 1...c3!
    • 1.Qf2?
      • threat
        • 2.Sa2
          • 2...c3
            • 3.dxc3#
      • 1...c3
        • 2.Sb3
          • 2...cxd2
            • 3.Rxd2#
      • 1...Kxc1!
    • 1.Qc3?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1!
    • 1.Qe3?
      • 1...c3
        • 2.dxc3+
          • 2...Kxe1
            • 3.Qg1#
      • 1...Kxc1!
    • 1.Qg7?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qg1#
      • 1...c3!
    • 1.c3?
      • threat
        • 2.Qa7
          • 2...Kxc1
            • 3.Qa1#
          • 2...Kxe1
            • 3.Qg1#
      • 1...Kxe1
        • 2.Qg1#
      • 1...Kxc1!
    • 1.e4?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qg1#
      • 1...c3!
  • Keys
    • 1.Qa7!
      • threat
        • 2.c3
          • 2...Kxc1
            • 3.Qa1#
          • 2...Kxe1
            • 3.Qg1#
      • 1...c3
        • 2.dxc3+
          • 2...Kxc1
            • 3.Qa1#
          • 2...Kxe1
            • 3.Qg1#

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).