Problem Display
PID: 224858 (8/4p1Q1/pp2p3/kP6/8/K3PR2/8/8 w - - 0 1)

Kastner, Bernhard

The Citizen, 1868

8/4p1Q1/pp2p3/kP6/8/K3PR2/8/8

#3

5 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Rf5?
      • threat
        • 2.Qc3#
      • 1...axb5
        • 2.Qf8
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
        • 2.Qh8
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
        • 2.Qg2
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
        • 2.Qg8
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
      • 1...e5
        • 2.Qxe5
          • threat
            • 3.Qc3#
          • 2...axb5
            • 3.Qxb5#
      • 1...exf5!
    • 1.Qf8?
      • 1...e5
        • 2.Qa8
          • threat
            • 3.Qxa6#
          • 2...Kxb5
            • 3.Qd5#
      • 1...Kxb5!
    • 1.Qh8?
      • 1...e5
        • 2.Qa8
          • threat
            • 3.Qxa6#
          • 2...Kxb5
            • 3.Qd5#
      • 1...Kxb5!
    • 1.Qxe7?
      • threat
        • 2.Qb4#
      • 1...axb5
        • 2.Qa7#
      • 1...Kxb5!
    • 1.Qg8?
      • 1...e5
        • 2.Qa8
          • threat
            • 3.Qxa6#
          • 2...Kxb5
            • 3.Qd5#
      • 1...Kxb5!
  • Keys
    • 1.Qg2!
      • 1...Kxb5
        • 2.Rf5+
          • 2...Kc4
            • 3.Qc2#
          • 2...exf5
            • 3.Qd5#
          • 2...e5
            • 3.Qd5#
      • 1...axb5
        • 2.Rf5
          • threat
            • 3.Qa8#
          • 2...Ka6
            • 3.Qa8#
      • 1...e5
        • 2.Qd2+
          • 2...Kxb5
            • 3.Qd5#

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).