Problem Display
PID: 211174 (K1b5/1pB1p1q1/kp2N2r/pN2p1n1/P4b2/2pp4/3rp3/2Q5 w - - 0 1)

Kozdon, Baldur

The Problemist, 1985

K1b5/1pB1p1q1/kp2N2r/pN2p1n1/P4b2/2pp4/3rp3/2Q5

#5

6 + 15


SOLUTION


  • COOKED
  • Keys
    • 1.Bb8!
      • threat
        • 2.Sbc7#
        • 2.Sec7#
      • 1...Sxe6
        • 2.Qxc3
          • threat
            • 3.Qc4
              • threat
                • 4.Sc7#
              • 3...Sc7+
                • 4.Sxc7#
          • 2...Rc2
            • 3.Qxd3
              • threat
                • 4.Sc7#
              • 3...Rc4
                • 4.Qxc4
                  • threat
                    • 5.Sc7#
                  • 4...Sc7+
                    • 5.Sxc7#
    • 1.Bd8!
      • threat
        • 2.Sbc7#
        • 2.Sec7#
      • 1...Sxe6
        • 2.Qxc3
          • threat
            • 3.Qc4
              • threat
                • 4.Sc7#
              • 3...Sc7+
                • 4.Sxc7#
          • 2...Rc2
            • 3.Qxd3
              • threat
                • 4.Sc7#
              • 3...Rc4
                • 4.Qxc4
                  • threat
                    • 5.Sc7#
                  • 4...Sc7+
                    • 5.Sxc7#
    • 1.Qg1!
      • threat
        • 2.Qxb6#
      • 1...Rxe6
        • 2.Bd6
          • threat
            • 3.Sc7#
          • 2...exd6
            • 3.Qb1
              • threat
                • 4.Sc7+
                  • 4...Qxc7
                    • 5.Qb5#
              • 3...Qd7
                • 4.Sc7+
                  • 4...Qxc7
                    • 5.Qb5#
              • 3...Qe7
                • 4.Sc7+
                  • 4...Qxc7
                    • 5.Qb5#
              • 3...Qf7
                • 4.Sc7+
                  • 4...Qxc7
                    • 5.Qb5#
              • 3...Qh7
                • 4.Sc7+
                  • 4...Qxc7
                    • 5.Qb5#
              • 3...Rb2
                • 4.Qxd3
                  • threat
                    • 5.Sc7#
                  • 4...Rxb5
                    • 5.Qxb5#
                    • 5.axb5#
                  • 4...Qc7
                    • 5.Sxc7#
              • 3...Re7
                • 4.Sc7+
                  • 4...Rxc7
                    • 5.Qb5#
      • 1...Be3
        • 2.Qxe3
          • threat
            • 3.Qxb6#
          • 2...Rxe6
            • 3.Bd8
              • threat
                • 4.Sc7#
              • 3...Rc6
                • 4.Qxb6+
                  • 4...Rxb6
                    • 5.Sc7#
        • 2.Bd8
          • threat
            • 3.Sbc7#
            • 3.Sec7#
          • 2...Sxe6
            • 3.Qxe3
              • threat
                • 4.Qxb6#
              • 3...Qg1
                • 4.Qxg1
                  • threat
                    • 5.Qxb6#
                  • 4...Sc7+
                    • 5.Sxc7#
                  • 4...Sxd8
                    • 5.Sc7#
                  • 4...Sd4
                    • 5.Sc7#
                  • 4...Sf4
                    • 5.Sc7#
                  • 4...Sc5
                    • 5.Sc7#
                  • 4...Sg5
                    • 5.Sc7#
                  • 4...Sg7
                    • 5.Sc7#
                  • 4...Sf8
                    • 5.Sc7#

FEATURES


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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).