Problem Display
PID: 84310 (2k5/2p5/8/8/2p5/2P5/2K5/1Q1R4 w - - 0 1)

Drazkowski, Krzysztof

Problemist Pribuzhya, 1990

2k5/2p5/8/8/2p5/2P5/2K5/1Q1R4

#3

4 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...c6
      • 2.Qb6
        • 2...c5
          • 3.Rd8#
  • Tries
    • 1.Rd2?
      • 1...c6
        • 2.Qb6
          • 2...c5
            • 3.Rd8#
      • 1...c5!
    • 1.Rd4?
      • 1...c6
        • 2.Qb6
          • 2...c5
            • 3.Rd8#
      • 1...c5!
    • 1.Rd7?
      • threat
        • 2.Qb5
          • 2...c6
            • 3.Qb7#
          • 2...c5
            • 3.Qb7#
      • 1...c5
        • 2.Qb7#
      • 1...c6
        • 2.Qb7#
      • 1...Kxd7!
    • 1.Qb2?
      • 1...c6
        • 2.Qb6
          • 2...c5
            • 3.Rd8#
      • 1...c5!
    • 1.Qb4?
      • 1...c6
        • 2.Qe7
          • threat
            • 3.Rd8#
          • 2...Kb8
            • 3.Rd8#
        • 2.Qb6
          • 2...c5
            • 3.Rd8#
      • 1...c5!
    • 1.Qb5?
      • threat
        • 2.Rd7
          • 2...c6
            • 3.Qb7#
          • 2...c5
            • 3.Qb7#
        • 2.Qa6+
          • 2...Kb8
            • 3.Rb1#
            • 3.Rd8#
      • 1...c6
        • 2.Qb6
          • 2...c5
            • 3.Rd8#
      • 1...c5!
    • 1.Qb6?
      • threat
        • 2.Qa6+
          • 2...Kb8
            • 3.Rb1#
            • 3.Rd8#
      • 1...c5
        • 2.Rd8#
      • 1...c6
        • 2.Rd8#
      • 1...cxb6!
  • Keys
    • 1.Kc1!
      • 1...c5
        • 2.Qh7
          • 2...Kb8
            • 3.Rd8#
      • 1...c6
        • 2.Qb6
          • 2...c5
            • 3.Rd8#

FEATURES


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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).