Problem Display
PID: 193234 (2N5/1np4K/6p1/1P1kp2P/1p6/1P1NP1P1/pb3B2/1b1Q3n w - - 0 1)

Ellerman, Arnoldo

Densmore MT (Pittsburgh Gazette-Times), 1918

2N5/1np4K/6p1/1P1kp2P/1p6/1P1NP1P1/pb3B2/1b1Q3n

#3

10 + 10


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Sa5
      • 2.Qf3+
        • 2...Ke6
          • 3.Sc5#
        • 2...e4
          • 3.Qf7#
  • Tries
    • 1.Sf4+?
      • 1...Kc5
        • 2.Qd5#
      • 1...Ke4!
    • 1.Qf3+?
      • 1...e4
        • 2.Qf7#
      • 1...Ke6!
    • 1.Qg4?
      • threat
        • 2.Qc4#
        • 2.e4#
      • 1...e4
        • 2.Qd7+
          • 2...Sd6
            • 3.Se7#
      • 1...Bxd3!
  • Keys
    • 1.Kxg6!
      • threat
        • 2.Qf3+
          • 2...Ke6
            • 3.Qf7#
          • 2...e4
            • 3.Qf7#
      • 1...Bxd3+
        • 2.e4+
          • 2...Kxe4
            • 3.Qxh1#
          • 2...Ke6
            • 3.Qg4#
      • 1...Ke4
        • 2.Se1
          • threat
            • 3.Qf3#
      • 1...Ke6
        • 2.Qg4+
          • 2...Kd5
            • 3.Qc4#
            • 3.e4#
      • 1...Sxf2
        • 2.Qf3+
          • 2...Ke6
            • 3.Qf7#
          • 2...Se4
            • 3.Qf7#
          • 2...e4
            • 3.Qf7#
      • 1...Sxg3
        • 2.Qf3+
          • 2...Ke6
            • 3.Qf7#
          • 2...Se4
            • 3.Qf7#
          • 2...e4
            • 3.Qf7#
      • 1...Bc1
        • 2.Qf3+
          • 2...Ke6
            • 3.Qf7#
          • 2...e4
            • 3.Qf5#
            • 3.Qf7#
      • 1...Ba3
        • 2.Qf3+
          • 2...Ke6
            • 3.Qf7#
          • 2...e4
            • 3.Qf5#
            • 3.Qf7#
      • 1...Sc5
        • 2.e4+
          • 2...Kxe4
            • 3.Sxc5#
          • 2...Ke6
            • 3.Sxc5#
            • 3.Qg4#
          • 2...Sxe4
            • 3.Sf4#
      • 1...Sd6
        • 2.e4+
          • 2...Kxe4
            • 3.Sc5#
          • 2...Ke6
            • 3.Sc5#
          • 2...Sxe4
            • 3.Sf4#
      • 1...Sd8
        • 2.e4+
          • 2...Kxe4
            • 3.Sc5#
          • 2...Ke6
            • 3.Sc5#
            • 3.Qg4#
      • 1...e4
        • 2.Sf4+
          • 2...Kc5
            • 3.Qd5#
          • 2...Ke5
            • 3.Qd5#

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).