Problem Display
PID: 275854 (1k6/R7/1B6/PP4KB/6P1/8/8/2N4b w - - 0 1)

Speckmann, Werner

Rochade Europa, 1986

1k6/R7/1B6/PP4KB/6P1/8/8/2N4b

#4

8 + 2


6490 yacpdb 2024

SOLUTION


  • SOUND
  • Keys
    • 1.Rf7!
      • threat
        • 2.Rf8+
          • 2...Kb7
            • 3.Sb3
              • threat
                • 4.Sc5#
            • 3.Sd3
              • threat
                • 4.Sc5#
      • 1...Ka8
        • 2.Rf8+
          • 2...Kb7
            • 3.Sb3
              • threat
                • 4.Sc5#
            • 3.Sd3
              • threat
                • 4.Sc5#
        • 2.a6
          • threat
            • 3.Rf8#
          • 2...Bc6
            • 3.Rf8+
              • 3...Be8
                • 4.Rxe8#
            • 3.bxc6
              • 3...Kb8
                • 4.Rf8#
          • 2...Bb7
            • 3.Rf8+
              • 3...Bc8
                • 4.Rxc8#
      • 1...Kc8
        • 2.Rf8+
          • 2...Kb7
            • 3.Sb3
              • threat
                • 4.Sc5#
            • 3.Sd3
              • threat
                • 4.Sc5#
          • 2...Kd7
            • 3.Kf6
              • threat
                • 4.Rd8#
              • 3...Kd6
                • 4.Rd8#
      • 1...Ba8
        • 2.Rf8+
          • 2...Kb7
            • 3.Be8
              • threat
                • 4.Bc6#
              • 3...Kb8
                • 4.Bc6#
              • 3...Kc8
                • 4.Bc6#
      • 1...Be4
        • 2.Rf8+
          • 2...Kb7
            • 3.Sb3
              • threat
                • 4.Sc5#
      • 1...Bd5
        • 2.Rf8+
          • 2...Kb7
            • 3.Sd3
              • threat
                • 4.Sc5#
      • 1...Bb7
        • 2.Rf8+
          • 2...Bc8
            • 3.a6
              • 3...Ka8
                • 4.Rxc8#

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).