Problem Display
PID: 222959 (5R2/5P2/4pP2/4k1P1/4Np2/3Q4/5PP1/6K1 w - - 0 1)

Groves, George

St. Catharines Constitutional, 1865

5R2/5P2/4pP2/4k1P1/4Np2/3Q4/5PP1/6K1

#3

9 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sg3?
      • threat
        • 2.Qc3+
          • 2...Kd5
            • 3.Rd8#
          • 2...Kd6
            • 3.Rd8#
      • 1...f3
        • 2.Sh5
          • 2...fxg2
            • 3.f4#
        • 2.Qd2
          • 2...fxg2
            • 3.f4#
        • 2.gxf3
          • 2...Kf4
            • 3.Qe3#
      • 1...fxg3!
    • 1.Ra8?
      • threat
        • 2.Ra5#
      • 1...f3
        • 2.Ra5+
          • 2...Kf4
            • 3.Qxf3#
      • 1...Kf5!
    • 1.Rb8?
      • threat
        • 2.Rb5#
      • 1...f3
        • 2.Rb5+
          • 2...Kf4
            • 3.Qxf3#
      • 1...Kf5!
    • 1.Rc8?
      • threat
        • 2.Rc5#
      • 1...f3
        • 2.Rc5+
          • 2...Kf4
            • 3.Qxf3#
      • 1...Kf5!
    • 1.Rg8?
      • 1...Kf5
        • 2.Sd2+
          • 2...Kg4
            • 3.Qh3#
          • 2...Ke5
            • 3.Sf3#
            • 3.Sc4#
        • 2.Sc5+
          • 2...Kg4
            • 3.Qh3#
          • 2...Ke5
            • 3.Sd7#
        • 2.Sd6+
          • 2...Kg4
            • 3.Qh3#
          • 2...Ke5
            • 3.Sc4#
      • 1...f3!
    • 1.Qb5+?
      • 1...Kd4
        • 2.Ra8
          • threat
            • 3.Ra4#
          • 2...Kxe4
            • 3.Ra4#
      • 1...Kxe4!
  • Keys
    • 1.Sd6!
      • 1...f3
        • 2.Qd2
          • 2...fxg2
            • 3.f4#
        • 2.gxf3
          • 2...Kf4
            • 3.Qe3#

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).