Problem Display
PID: 255372 (n7/1KP5/1P1p4/pkpN3R/3p4/8/8/4B2Q w - - 0 1)

Kravtsov, Nikita Igorevich

Sigurov, Aleksandr Ilich

Problemist Ukraini, 2021

n7/1KP5/1P1p4/pkpN3R/3p4/8/8/4B2Q

#3

7 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Qh2?
      • 1...Ka4
        • 2.Qa2+
          • 2...Kb5
            • 3.Qb3#
      • 1...Kc4
        • 2.Qc2+
          • 2...Kb5
            • 3.Qb3#
      • 1...Sxb6
        • 2.Sxb6
          • threat
            • 3.Qb2#
      • 1...Sxc7
        • 2.Sxc7+
          • 2...Ka4
            • 3.Qa2#
          • 2...Kc4
            • 3.Qc2#
      • 1...d3
        • 2.Qb2+
          • 2...Ka4
            • 3.Sc3#
          • 2...Kc4
            • 3.Se3#
      • 1...c4
        • 2.Sc3+
          • 2...Kb4
            • 3.Qb2#
      • 1...a4!
    • 1.Qh3?
      • threat
        • 2.Qb3#
      • 1...Kc4
        • 2.Sf4
          • threat
            • 3.Qd3#
          • 2...Kb5
            • 3.Qb3#
          • 2...d3
            • 3.Qxd3#
      • 1...d3
        • 2.Qd7+
          • 2...Kc4
            • 3.Qa4#
      • 1...a4
        • 2.c8S
          • threat
            • 3.Sxd6#
          • 2...Kc4
            • 3.Sxd6#
          • 2...a3
            • 3.Qb3#
          • 2...c4
            • 3.Sc7#
      • 1...c4
        • 2.Qd7+
          • 2...Kc5
            • 3.Qc6#
      • 1...Ka4!
  • Keys
    • 1.Qg2!
      • 1...Ka4
        • 2.Qa2+
          • 2...Kb5
            • 3.Qb3#
      • 1...Kc4
        • 2.Qc2+
          • 2...Kb5
            • 3.Qb3#
      • 1...Sxb6
        • 2.Sxb6
          • threat
            • 3.Qc6#
            • 3.Qb2#
      • 1...Sxc7
        • 2.Sxc7+
          • 2...Ka4
            • 3.Qa2#
          • 2...Kc4
            • 3.Qc2#
      • 1...d3
        • 2.Qb2+
          • 2...Ka4
            • 3.Sc3#
          • 2...Kc4
            • 3.Se3#
      • 1...a4
        • 2.Se3
          • threat
            • 3.Qc6#
            • 3.Qb2#
          • 2...dxe3
            • 3.Qe2#
      • 1...c4
        • 2.Sc3+
          • 2...Kb4
            • 3.Qb2#

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).