Problem Display
PID: 190516 (8/8/8/8/6Q1/8/1P1p4/2kB2K1 w - - 0 1)

Rohr, Hugo

La Strategie, 1913

8/8/8/8/6Q1/8/1P1p4/2kB2K1

#3

4 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Qf3?
      • 1...Kb1
        • 2.Qa3
          • 2...Kc1
            • 3.Qa1#
      • 1...Kxb2!
    • 1.Qa4?
      • threat
        • 2.Qc2#
        • 2.Qa1#
      • 1...Kb1
        • 2.Qa3
          • 2...Kc1
            • 3.Qa1#
      • 1...Kxb2!
    • 1.Qd4?
      • 1...Kxd1
        • 2.Qc4
          • 2...Ke1
            • 3.Qf1#
      • 1...Kb1!
    • 1.Qe4?
      • threat
        • 2.Qc2#
      • 1...Kxd1
        • 2.Qc4
          • 2...Ke1
            • 3.Qf1#
      • 1...Kxb2!
  • Keys
    • 1.Qb4!
      • 1...Kb1
        • 2.Qa3
          • 2...Kc1
            • 3.Qa1#
      • 1...Kxd1
        • 2.Qc4
          • 2...Ke1
            • 3.Qf1#

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).