Problem Display
PID: 241088 (5B2/bKN5/2p4Q/kPp5/8/1PP5/2q5/6nR w - - 0 1)

Colaneri, Bruno

Best Problems, 2021

5B2/bKN5/2p4Q/kPp5/8/1PP5/2q5/6nR

#3

8 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Qc1
      • 2.Qxc1
        • threat
          • 3.Qa3#
          • 3.Qa1#
    • 1...Qd2
      • 2.Qxd2
        • threat
          • 3.Qa2#
          • 3.c4#
    • 1...Qh2
      • 2.Qxh2
        • threat
          • 3.Qa2#
        • 2...Se2
          • 3.Ra1#
    • 1...Se2
      • 2.Ra1+
        • 2...Qa2
          • 3.Rxa2#
    • 1...Sf3
      • 2.Ra1+
        • 2...Qa2
          • 3.Rxa2#
    • 1...Sh3
      • 2.Ra1+
        • 2...Qa2
          • 3.Rxa2#
    • 1...c4
      • 2.Bb4#
    • 1...cxb5
      • 2.Qa6#
  • Tries
    • 1.Rh4?
      • threat
        • 2.Ra4#
      • 1...Qe4
        • 2.Rxe4
          • threat
            • 3.Ra4#
          • 2...cxb5
            • 3.Qa6#
          • 2...c4
            • 3.Bb4#
      • 1...Qa2
        • 2.Qxc6
          • threat
            • 3.Qa6#
          • 2...Qg2
            • 3.Ra4#
          • 2...Bb6
            • 3.Qxb6#
      • 1...Qxb3!
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Qa6#
      • 1...Qxc3
        • 2.Qa6+
          • 2...Kb4
            • 3.Qa4#
      • 1...Qe4
        • 2.Qxe4
          • threat
            • 3.Qa4#
          • 2...c4
            • 3.Bb4#
      • 1...Qg6
        • 2.Qxg6
          • threat
            • 3.Qa6#
          • 2...Bb6
            • 3.Qxb6#
      • 1...Qg2
        • 2.Qxg2
          • threat
            • 3.Qa2#
          • 2...Se2
            • 3.Ra1#

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).