Problem Display
PID: 258783 (6Q1/2ppp3/3k4/3p1p2/3P1P2/8/3K4/1R6 w - - 0 1)

Varitsky, Aleksandr Nikolaevich

2nd Comm., Utarova-20 JT (Kudesnik), 2021

6Q1/2ppp3/3k4/3p1p2/3P1P2/8/3K4/1R6

#3

5 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...c5
      • 2.Rb6+
        • 2...Kc7
          • 3.Qb8#
    • 1...e6
      • 2.Qf8+
        • 2...Kc6
          • 3.Qc5#
  • Tries
    • 1.Rb7?
      • 1...Kc6
        • 2.Qb8
          • threat
            • 3.Qxc7#
          • 2...Kd6
            • 3.Rb6#
      • 1...e6
        • 2.Qd8
          • 2...Kc6
            • 3.Qxc7#
          • 2...e5
            • 3.Qf6#
          • 2...c5
            • 3.Rb6#
            • 3.Qxd7#
          • 2...c6
            • 3.Rxd7#
            • 3.Qxd7#
            • 3.Qf8#
      • 1...c6
        • 2.Qe8
          • threat
            • 3.Qxd7#
          • 2...Ke6
            • 3.Qg6#
      • 1...c5
        • 2.Rb6+
          • 2...Kc7
            • 3.Qb8#
      • 1...e5!
    • 1.Qg7?
      • 1...Kc6
        • 2.Qxe7
          • 2...d6
            • 3.Qe8#
      • 1...e6
        • 2.Qf8+
          • 2...Kc6
            • 3.Qc5#
      • 1...c5!
  • Keys
    • 1.Qe8!
      • 1...Kc6
        • 2.Qxe7
          • 2...d6
            • 3.Qe8#
      • 1...c5
        • 2.Rb6+
          • 2...Kc7
            • 3.Qb8#
      • 1...c6
        • 2.Rb7
          • threat
            • 3.Qxd7#
          • 2...Ke6
            • 3.Qg6#
      • 1...e5
        • 2.fxe5+
          • 2...Kc6
            • 3.Qa8#
      • 1...e6
        • 2.Qf8+
          • 2...Kc6
            • 3.Qc5#

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).