Problem Display
PID: 191116 (8/8/8/8/8/4P3/2pk1K2/2R4Q w - - 0 1)

Rohr, Hugo

La Strategie, 1914

8/8/8/8/8/4P3/2pk1K2/2R4Q

#3

4 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qc6
        • 2...Kd2
          • 3.Qxc2#
  • Tries
    • 1.Rxc2+?
      • 1...Kd3
        • 2.Qh7#
      • 1...Kxc2!
    • 1.Qe4?
      • threat
        • 2.Qxc2#
      • 1...Kxc1
        • 2.Qb4
          • 2...Kd1
            • 3.Qe1#
      • 1...Kc3!
    • 1.Qc6?
      • threat
        • 2.Qxc2#
      • 1...Kd3
        • 2.Qxc2#
      • 1...Kxc1!
    • 1.Qh4?
      • 1...Kxc1
        • 2.Qb4
          • 2...Kd1
            • 3.Qe1#
      • 1...Kc3!
    • 1.Qh8?
      • threat
        • 2.Qa1
          • 2...Kd3
            • 3.Qd4#
        • 2.Qb2
          • 2...Kd3
            • 3.Qd4#
            • 3.Qxc2#
      • 1...Kd3
        • 2.Qd4#
      • 1...Kxc1!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb2
          • 2...Kd3
            • 3.Qd4#
            • 3.Qxc2#
      • 1...Kxc1
        • 2.Qb4
          • 2...Kd1
            • 3.Qe1#
      • 1...Kc3
        • 2.Ke2
          • 2...Kc4
            • 3.Rxc2#
      • 1...Kd3
        • 2.Qc6
          • 2...Kd2
            • 3.Qxc2#

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).