Problem Display
PID: 62741 (1b1Q4/p2P2pr/Pp2p1r1/kBp3pn/2P2B2/4pP2/1PK5/5n2 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Tijdschrift vd NSB, 1896

1b1Q4/p2P2pr/Pp2p1r1/kBp3pn/2P2B2/4pP2/1PK5/5n2

#4

9 + 13


SOLUTION


  • COOKED
  • Keys
    • 1.Qxb6+!
      • 1...Kb4
        • 2.d8Q
          • threat
            • 3.Qa5#
          • 2...axb6
            • 3.Qd3
              • threat
                • 4.Qa3#
                • 4.Qc3#
              • 3...Ka5
                • 4.Qa3#
                • 4.Qc3#
          • 2...Bc7
            • 3.Qbxc7
              • threat
                • 4.Qa5#
            • 3.Be5
              • threat
                • 4.Bc3#
              • 3...Bxe5
                • 4.Qa5#
            • 3.Qd3
              • threat
                • 4.Qa3#
                • 4.Qb3#
                • 4.Qc3#
        • 2.Bd6
          • threat
            • 3.Bxc5#
          • 2...Bxd6
            • 3.d8S
              • threat
                • 4.Sc6#
          • 2...axb6
            • 3.d8S
              • threat
                • 4.Sc6#
              • 3...Ka5
                • 4.Sc6#
      • 1...axb6
        • 2.d8S
          • threat
            • 3.Sc6#
          • 2...e5
            • 3.Kc3
              • threat
                • 4.Sb7#
        • 2.Be5
          • threat
            • 3.Bc3#
          • 2...Bxe5
            • 3.d8S
              • threat
                • 4.Sc6#
              • 3...Kb4
                • 4.Sc6#
    • 1.Qf6!
      • threat
        • 2.Qc3#
      • 1...Rxf6
        • 2.Be5
          • threat
            • 3.Bc3#
          • 2...Bxe5
            • 3.d8S
              • threat
                • 4.Sc6#
              • 3...Kb4
                • 4.Sc6#
      • 1...Sxf6
        • 2.d8S
          • threat
            • 3.Sc6#
          • 2...Rh2+
            • 3.Bxh2
              • threat
                • 4.Sc6#
              • 3...Kb4
                • 4.Sc6#
      • 1...gxf6
        • 2.d8S
          • threat
            • 3.Sc6#
          • 2...Rc7
            • 3.Bxc7
              • threat
                • 4.Sc6#
              • 3...Kb4
                • 4.Sc6#
      • 1...e5
        • 2.Bxe5
          • threat
            • 3.Bc3#
          • 2...Bxe5
            • 3.Qxe5
              • threat
                • 4.Qc3#
              • 3...Kb4
                • 4.Qc3#
        • 2.Qxe5
          • threat
            • 3.Qc3#
          • 2...Bxe5
            • 3.Bxe5
              • threat
                • 4.Bc3#
              • 3...Kb4
                • 4.Bc3#

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).