Problem Display
PID: 12738 (2N3K1/4Q2N/pBk5/1p4p1/2p1P3/5pbp/4nr1q/8 w - - 0 1)

Loyd, Sam

New York Era, 1868

2N3K1/4Q2N/pBk5/1p4p1/2p1P3/5pbp/4nr1q/8

#3

6 + 11


5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • SOUND
  • Sets
    • 1...Qg2
      • 2.Sf6
        • threat
          • 3.Qd7#
        • 2...Bc7
          • 3.Qxc7#
      • 2.Sf8
        • threat
          • 3.Qd7#
        • 2...Bc7
          • 3.Qxc7#
    • 1...Sf4
      • 2.Qc7#
  • Tries
    • 1.Qc5+?
      • 1...Kd7
        • 2.Sf6+
          • 2...Ke6
            • 3.Qe7#
            • 3.Qf5#
        • 2.Sf8+
          • 2...Ke8
            • 3.Qe7#
            • 3.Qc6#
        • 2.Qf5+
          • 2...Kc6
            • 3.Qd5#
          • 2...Ke8
            • 3.Sf6#
            • 3.Qe6#
            • 3.Qf7#
      • 1...Kb7!
    • 1.Qf7?
      • threat
        • 2.Qd5#
      • 1...Bd6
        • 2.Sf6
          • threat
            • 3.Qd5#
            • 3.Qd7#
        • 2.Sf8
          • threat
            • 3.Qd5#
            • 3.Qd7#
      • 1...Sc3!
  • Keys
    • 1.e5!
      • threat
        • 2.Sf6
          • threat
            • 3.Qc7#
            • 3.Qd7#
      • 1...Kd5
        • 2.Sf6+
          • 2...Kc6
            • 3.Qc7#
            • 3.Qd7#
      • 1...Bxe5
        • 2.Sf8
          • threat
            • 3.Qd7#
          • 2...Kd5
            • 3.Qb7#
          • 2...Bc7
            • 3.Qe4#
          • 2...Bd6
            • 3.Qe4#
      • 1...b4
        • 2.Sf6
          • threat
            • 3.Qd7#
          • 2...Kb5
            • 3.Qd7#
            • 3.Qe8#

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).