Problem Display
PID: 239405 (rn1B4/3p1p2/k1bN1Q2/7K/P3P3/R2P4/8/6b1 w - - 0 1)

Cowan, SJ

St. Louis Globe Democrat, 1876

rn1B4/3p1p2/k1bN1Q2/7K/P3P3/R2P4/8/6b1

#3

8 + 7


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Bf2
      • 2.Qxf2
        • threat
          • 3.Qb6#
    • 1...Bd4
      • 2.Qxd4
        • threat
          • 3.Qb6#
    • 1...Bxa4
      • 2.Rxa4#
    • 1...Bb5
      • 2.axb5#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qb5+
          • 2...Ka7
            • 3.Sc8#
          • 2...Bxb5
            • 3.axb5#
      • 1...Bxe4
        • 2.Qb5+
          • 2...Ka7
            • 3.Sc8#
        • 2.dxe4
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
          • 2...Bb6
            • 3.Qxb6#
          • 2...Ra7
            • 3.Qe2#
            • 3.Qb5#
      • 1...Ra7
        • 2.Qb5+
          • 2...Bxb5
            • 3.axb5#
      • 1...Ba7
        • 2.Qb4
          • threat
            • 3.Qa5#
          • 2...Bb6
            • 3.Qxb6#
        • 2.Qb5+
          • 2...Bxb5
            • 3.axb5#
      • 1...Bd5
        • 2.Qb5+
          • 2...Ka7
            • 3.Sc8#
        • 2.exd5
          • threat
            • 3.Qb7#
          • 2...Ka7
            • 3.Qb7#
          • 2...Bb6
            • 3.Qxb6#
          • 2...Ra7
            • 3.Qb5#
      • 1...Ka7!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qa5#
      • 1...Ka7
        • 2.Qxg1+
          • 2...Ka6
            • 3.Qb6#
      • 1...Bc5
        • 2.Qxc5
          • threat
            • 3.Qb6#
            • 3.Qa5#
      • 1...Bb6
        • 2.Qb5+
          • 2...Ka7
            • 3.Bxb6#
            • 3.Qxb6#
          • 2...Bxb5
            • 3.axb5#
      • 1...Bd5
        • 2.Qxg1
          • threat
            • 3.Qb6#
      • 1...f5
        • 2.Qxg1
          • threat
            • 3.Qb6#

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).