Problem Display
PID: 33799 (kb1K4/p6n/B7/4pp2/3p2bn/1p6/5Q2/8 w - - 0 1)

Kozdon, Baldur

Knobi's Knobelecke, 1997

kb1K4/p6n/B7/4pp2/3p2bn/1p6/5Q2/8

#5

3 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qf1!
      • threat
        • 2.Bb7+
          • 2...Kxb7
            • 3.Qb5+
              • 3...Ka8
                • 4.Qc6#
                • 4.Qd5#
      • 1...Bd6
        • 2.Qb5
          • threat
            • 3.Qb7#
          • 2...Be7+
            • 3.Kxe7
              • threat
                • 4.Qe8#
                • 4.Qb7#
              • 3...Sg6+
                • 4.Kd6
                  • threat
                    • 5.Qe8#
                    • 5.Qb7#
          • 2...Bf3
            • 3.Kc8
              • threat
                • 4.Bb7+
                  • 4...Bxb7+
                    • 5.Qxb7#
                • 4.Qb7+
                  • 4...Bxb7+
                    • 5.Bxb7#
              • 3...Bh1
                • 4.Bb7+
                  • 4...Bxb7+
                    • 5.Qxb7#
                • 4.Qb7+
                  • 4...Bxb7+
                    • 5.Bxb7#
              • 3...Bg2
                • 4.Bb7+
                  • 4...Bxb7+
                    • 5.Qxb7#
                • 4.Qb7+
                  • 4...Bxb7+
                    • 5.Bxb7#
              • 3...Be4
                • 4.Bb7+
                  • 4...Bxb7+
                    • 5.Qxb7#
                • 4.Qb7+
                  • 4...Bxb7+
                    • 5.Bxb7#
      • 1...d3
        • 2.Qxd3
          • threat
            • 3.Qd5#
          • 2...Bf3
            • 3.Qxf3+
              • 3...Sxf3
                • 4.Kc8
                  • threat
                    • 5.Bb7#
              • 3...e4
                • 4.Kc8
                  • threat
                    • 5.Bb7#
          • 2...Sf6
            • 3.Bb7+
              • 3...Kxb7
                • 4.Qb5+
                  • 4...Ka8
                    • 5.Qc6#

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).