Problem Display
PID: 268943 (1Q2B3/8/P1pp1p2/3k1p2/Kp3P2/2p5/nN3N2/2n5 w - - 0 1)

Murashov, V

Shakhmatnaya kompozitsiya, 2022

1Q2B3/8/P1pp1p2/3k1p2/Kp3P2/2p5/nN3N2/2n5

#3

7 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qa7+
        • 2...Kd5
          • 3.Bf7#
    • 1...Ke6
      • 2.Qa7
        • threat
          • 3.Bf7#
          • 3.Qf7#
        • 2...Kd5
          • 3.Bf7#
        • 2...d5
          • 3.Qd7#
  • Tries
    • 1.Bxc6+?
      • 1...Kc5
        • 2.Qb5+
          • 2...Kd4
            • 3.Qb6#
      • 1...Kxc6!
    • 1.Bf7+?
      • 1...Kc5
        • 2.Qa7#
      • 1...Kd4!
    • 1.Qa7?
      • threat
        • 2.Bf7#
      • 1...Ke6
        • 2.Bf7#
        • 2.Qf7#
      • 1...c5!
    • 1.Qb6?
      • threat
        • 2.Bf7#
      • 1...Ke6
        • 2.Qe3+
          • 2...Kd5
            • 3.Bf7#
        • 2.Qa7
          • threat
            • 3.Bf7#
            • 3.Qf7#
          • 2...Kd5
            • 3.Bf7#
          • 2...d5
            • 3.Qd7#
      • 1...c5!
  • Keys
    • 1.Sbd1!
      • threat
        • 2.Bf7+
          • 2...Kd4
            • 3.Qxd6#
          • 2...Kc5
            • 3.Qa7#
      • 1...Kc4
        • 2.Qxd6
          • threat
            • 3.Se3#
            • 3.Bf7#
      • 1...Kd4
        • 2.Qxd6+
          • 2...Kc4
            • 3.Se3#
            • 3.Bf7#
      • 1...Kc5
        • 2.Qa7+
          • 2...Kc4
            • 3.Se3#
          • 2...Kd5
            • 3.Bf7#
      • 1...Ke6
        • 2.Qa7
          • threat
            • 3.Bf7#
            • 3.Qf7#
          • 2...Kd5
            • 3.Bf7#
          • 2...d5
            • 3.Qd7#
      • 1...c5
        • 2.Bf7+
          • 2...Kd4
            • 3.Qxd6#
          • 2...Kc6
            • 3.Qb7#

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).