Problem Display
PID: 226515 (K7/1p6/8/pB3Npp/1P2k3/4N3/5Q2/8 w - - 0 1)

Lamb, FE

2nd Prize, BCPA Ty., 1878

K7/1p6/8/pB3Npp/1P2k3/4N3/5Q2/8

#3

6 + 5


4817 English Mechanic and World of Science 1878
15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sg7?
      • threat
        • 2.Sc2
          • threat
            • 3.Qf5#
          • 2...Kd5
            • 3.Qd4#
          • 2...Ke5
            • 3.Qd4#
      • 1...Ke5
        • 2.Sc2
          • threat
            • 3.Qd4#
          • 2...Ke4
            • 3.Qf5#
          • 2...Kd5
            • 3.Qd4#
          • 2...Kd6
            • 3.Qc5#
      • 1...Kd4!
    • 1.Bd3+?
      • 1...Kxd3
        • 2.Qc2#
      • 1...Ke5!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Sg7
          • threat
            • 3.Qf5#
          • 2...Kd5
            • 3.Qd4#
          • 2...Ke5
            • 3.Qd4#
      • 1...Kd5
        • 2.Sg7
          • threat
            • 3.Qd4#
          • 2...Ke4
            • 3.Qf5#
          • 2...Ke5
            • 3.Qd4#
          • 2...Kd6
            • 3.Qc5#
      • 1...Ke5
        • 2.Sg7
          • threat
            • 3.Qd4#
          • 2...Ke4
            • 3.Qf5#
          • 2...Kd5
            • 3.Qd4#
          • 2...Kd6
            • 3.Qc5#

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).