Problem Display
PID: 192143 (5Q1n/6r1/1N2k1p1/2P5/8/5N1P/2K2P2/8 w - - 0 1)

van Dijk, Johannes

De Maasbode, 1916

5Q1n/6r1/1N2k1p1/2P5/8/5N1P/2K2P2/8

#3

7 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Rf7
      • 2.Qd6+
        • 2...Kf5
          • 3.Qe5#
    • 1...Sf7
      • 2.Qc8+
        • 2...Kf6
          • 3.Sd5#
        • 2...Ke7
          • 3.Sd5#
  • Tries
    • 1.Kd3?
      • threat
        • 2.Sd4+
          • 2...Ke5
            • 3.Qd6#
            • 3.f4#
        • 2.Sg5+
          • 2...Ke5
            • 3.f4#
      • 1...Rf7
        • 2.Qd6+
          • 2...Kf5
            • 3.Qe5#
      • 1...Sf7
        • 2.Qc8+
          • 2...Kf6
            • 3.Sd5#
          • 2...Ke7
            • 3.Sd5#
      • 1...Re7
        • 2.Sd4+
          • 2...Ke5
            • 3.f4#
        • 2.Sg5+
          • 2...Ke5
            • 3.f4#
      • 1...g5
        • 2.Sd4+
          • 2...Ke5
            • 3.Qd6#
            • 3.Qf5#
      • 1...Rd7+!
    • 1.Qd6+?
      • 1...Kf5
        • 2.Qe5#
      • 1...Kf7!
    • 1.Qxg7?
      • threat
        • 2.Sd4#
      • 1...Kf5
        • 2.Qe5#
      • 1...Sf7!
    • 1.Qc8+?
      • 1...Kf6
        • 2.Sd5+
          • 2...Kf7
            • 3.Se5#
            • 3.Sg5#
      • 1...Ke7
        • 2.Sd5+
          • 2...Kf7
            • 3.Se5#
            • 3.Sg5#
      • 1...Rd7
        • 2.Qxd7+
          • 2...Kf6
            • 3.Sd5#
      • 1...Kf7!
    • 1.Qe8+?
      • 1...Kf6
        • 2.Sd5+
          • 2...Kf5
            • 3.Qe5#
      • 1...Re7!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Sg5+
          • 2...Ke5
            • 3.f4#
      • 1...Rf7
        • 2.Qd6+
          • 2...Kf5
            • 3.Qe5#
      • 1...Sf7
        • 2.Qc8+
          • 2...Kf6
            • 3.Sd5#
          • 2...Ke7
            • 3.Sd5#
      • 1...g5
        • 2.Sd4+
          • 2...Ke5
            • 3.Qf5#

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).