Problem Display
PID: 139096 (k1K5/8/1P5B/3p4/3p4/2n5/2P5/8 w - - 0 1)

Limbach, Saturnin

Probleemblad, 1974

k1K5/8/1P5B/3p4/3p4/2n5/2P5/8

#4

4 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Bd2!
      • 1...Sb1
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
        • 2.Bb4
          • threat
            • 3.Bc5
              • threat
                • 4.b7#
        • 2.Bf4
          • threat
            • 3.Bb8
              • threat
                • 4.b7#
      • 1...Sd1
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
        • 2.Bb4
          • threat
            • 3.Bc5
              • threat
                • 4.b7#
        • 2.Bf4
          • threat
            • 3.Bb8
              • threat
                • 4.b7#
      • 1...Sa2
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
        • 2.Bf4
          • threat
            • 3.Bb8
              • threat
                • 4.b7#
      • 1...Se2
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
        • 2.Bb4
          • threat
            • 3.Bc5
              • threat
                • 4.b7#
      • 1...Sa4
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
      • 1...Se4
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
      • 1...Sb5
        • 2.b7+
          • 2...Ka7
            • 3.b8Q+
              • 3...Ka6
                • 4.Qb7#
      • 1...d3
        • 2.Be3
          • threat
            • 3.b7#
          • 2...d4
            • 3.Bxd4
              • threat
                • 4.b7#

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).