Problem Display
PID: 183777 (2b5/Kn6/3N2N1/2p5/n1pk4/P7/8/rr2R2Q w - - 0 1)

Jespersen, Karl Lorenz Jesper

3rd Prize, Rivista Scacchistica Italiana, 1907

2b5/Kn6/3N2N1/2p5/n1pk4/P7/8/rr2R2Q

#3

6 + 8


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...c3
      • 2.Qe4#
  • Tries
    • 1.Sb5+?
      • 1...Kd3
        • 2.Qe4+
          • 2...Kd2
            • 3.Qe2#
      • 1...Rxb5!
  • Keys
    • 1.Re2!
      • threat
        • 2.Qe4+
          • 2...Kc3
            • 3.Qe3#
            • 3.Qxc4#
      • 1...Kc3
        • 2.Qf3+
          • 2...Kd4
            • 3.Rd2#
      • 1...Kd3
        • 2.Qf3+
          • 2...Kd4
            • 3.Rd2#
        • 2.Qe4+
          • 2...Kc3
            • 3.Qe3#
            • 3.Qxc4#
      • 1...Rxa3
        • 2.Qe4+
          • 2...Kc3
            • 3.Qxc4#
      • 1...Rxh1
        • 2.Sb5+
          • 2...Kd3
            • 3.Sf4#
          • 2...Kd5
            • 3.Se7#
      • 1...Sxd6
        • 2.Qh8+
          • 2...Kd3
            • 3.Sf4#
          • 2...Kd5
            • 3.Se7#
      • 1...Rd1
        • 2.Sb5+
          • 2...Kd3
            • 3.Sf4#
            • 3.Qf3#
            • 3.Qe4#
        • 2.Qe4+
          • 2...Kc3
            • 3.Qxc4#
      • 1...Rb3
        • 2.Qe4+
          • 2...Kc3
            • 3.Rc2#
            • 3.Qe3#
            • 3.Qxc4#
      • 1...Rb4
        • 2.Qe4+
          • 2...Kc3
            • 3.Qe3#
      • 1...Bf5
        • 2.Sxf5+
          • 2...Kc3
            • 3.Qf3#
            • 3.Qh3#
          • 2...Kd3
            • 3.Qf3#
      • 1...Be6
        • 2.Qe4+
          • 2...Kc3
            • 3.Qe3#
      • 1...Sb2
        • 2.Sb5+
          • 2...Kd3
            • 3.Sf4#
            • 3.Qf3#
            • 3.Qe4#
      • 1...Sc3
        • 2.Rd2+
          • 2...Ke3
            • 3.Sxc4#
      • 1...Sb6
        • 2.Qe4+
          • 2...Kc3
            • 3.Qe3#
      • 1...Sa5
        • 2.Qe4+
          • 2...Kc3
            • 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).