Problem Display
PID: 36685 (8/8/8/2B5/2PnN3/1P2kP1B/4p3/2K1N2n w - - 0 1)

Loyd, Sam

Lynn News, 1859

8/8/8/2B5/2PnN3/1P2kP1B/4p3/2K1N2n

#4

8 + 4


14665 Knights and Bishops 1909
5206 Sam Loyd and His Chess Problems 1913

SOLUTION


  • COOKED
  • Keys
    • 1.Kb2!
      • 1...Kf4
        • 2.Bxd4
          • threat
            • 3.Bg4
              • threat
                • 4.Sg2#
                • 4.Sd3#
          • 2...Sf2
            • 3.Bxf2
              • 3...Ke5
                • 4.Sd3#
          • 2...Sg3
            • 3.Sg2+
              • 3...Kxf3
                • 4.Sd2#
                • 4.Sg5#
            • 3.Sd3+
              • 3...Kxf3
                • 4.Sd2#
                • 4.Sg5#
      • 1...Sf2
        • 2.Sg2+
          • 2...Kd3
            • 3.Sxf2+
              • 3...Kd2
                • 4.Bb4#
          • 2...Kxf3
            • 3.Sg5+
              • 3...Kg3
                • 4.Bd6#
      • 1...Sg3
        • 2.Sg2+
          • 2...Kd3
            • 3.Sf2+
              • 3...Kd2
                • 4.Bb4#
          • 2...Kxf3
            • 3.Sd2+
              • 3...Kf2
                • 4.Bxd4#
    • 1.Bb6!
      • 1...Kf4
        • 2.Bxd4
          • threat
            • 3.Bg4
              • threat
                • 4.Sg2#
                • 4.Sd3#
          • 2...Sf2
            • 3.Bxf2
              • 3...Ke5
                • 4.Sd3#
          • 2...Sg3
            • 3.Sg2+
              • 3...Kxf3
                • 4.Sd2#
                • 4.Sg5#
            • 3.Sd3+
              • 3...Kxf3
                • 4.Sd2#
                • 4.Sg5#
      • 1...Sf2
        • 2.Sg2+
          • 2...Kd3
            • 3.Sc5+
              • 3...Kc3
                • 4.Ba5#
          • 2...Kxf3
            • 3.Sg5+
              • 3...Kg3
                • 4.Bc7#
      • 1...Sg3
        • 2.Sg2+
          • 2...Kd3
            • 3.Sc5+
              • 3...Kc3
                • 4.Ba5#
          • 2...Kxf3
            • 3.Sd2+
              • 3...Kf2
                • 4.Bxd4#

There are these versions: 218209

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).