Problem Display
PID: 88037 (K1B5/8/2p1R3/3k4/2r5/1Q6/8/8 w - - 0 1)

Pypa, Volodimir Iosifovich

The Problemist, 1977

K1B5/8/2p1R3/3k4/2r5/1Q6/8/8

#3

4 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qe3+
        • 2...Kd5
          • 3.Qe5#
    • 1...Kc5
      • 2.Re5+
        • 2...Kd4
          • 3.Qe3#
        • 2...Kd6
          • 3.Qb8#
    • 1...c5
      • 2.Qa2
        • 2...Kd4
          • 3.Qd2#
  • Tries
    • 1.Kb7?
      • 1...Kd4
        • 2.Qe3+
          • 2...Kd5
            • 3.Qe5#
      • 1...c5
        • 2.Qa2
          • 2...Kd4
            • 3.Qd2#
      • 1...Kc5!
    • 1.Kb8?
      • 1...Kd4
        • 2.Qe3+
          • 2...Kd5
            • 3.Qe5#
      • 1...c5
        • 2.Qa2
          • 2...Kd4
            • 3.Qd2#
      • 1...Kc5!
    • 1.Bd7?
      • 1...Kd4
        • 2.Qe3+
          • 2...Kd5
            • 3.Qe5#
      • 1...c5
        • 2.Qa2
          • 2...Kd4
            • 3.Qd2#
      • 1...Kc5!
    • 1.Re5+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxe5!
  • Keys
    • 1.Ka7!
      • 1...Kd4
        • 2.Qe3+
          • 2...Kd5
            • 3.Qe5#
      • 1...Kc5
        • 2.Re5+
          • 2...Kd4
            • 3.Qe3#
          • 2...Kd6
            • 3.Qb8#
      • 1...c5
        • 2.Qa2
          • 2...Kd4
            • 3.Qd2#

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).