Problem Display
PID: 218945 (8/b6b/8/1QP2p2/P1B5/2kp1p2/5P2/3K4 w - - 0 1)

Hoffmann, Martin Wolfgang

1st HM., idee & form 13. TT, 1987

8/b6b/8/1QP2p2/P1B5/2kp1p2/5P2/3K4

#5

6 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bf7!
      • threat
        • 2.Qc4+
          • 2...Kb2
            • 3.Qc1#
      • 1...Kd4
        • 2.Qc6
          • threat
            • 3.Qd5+
              • 3...Kc3
                • 4.Qc4+
                  • 4...Kb2
                    • 5.Qc1#
          • 2...Kc3
            • 3.Qd5
              • threat
                • 4.Qc4+
                  • 4...Kb2
                    • 5.Qc1#
              • 3...Kb2
                • 4.Qb3+
                  • 4...Ka1
                    • 5.Qa2#
                • 4.Kd2
                  • threat
                    • 5.Qa2#
                  • 4...Ka1
                    • 5.Qa2#
                  • 4...Kb1
                    • 5.Qa2#
                  • 4...Ka3
                    • 5.Qb3#
              • 3...Kb4
                • 4.Qc4+
                  • 4...Ka3
                    • 5.Qb3#
                  • 4...Ka5
                    • 5.Qb5#
          • 2...Ke5
            • 3.Qd6+
              • 3...Ke4
                • 4.Bc4
                  • threat
                    • 5.Bxd3#
                  • 4...d2
                    • 5.Bd3#
          • 2...Bxc5
            • 3.Qd5+
              • 3...Kc3
                • 4.Qc4+
                  • 4...Kb2
                    • 5.Qc1#
                • 4.Qxc5+
                  • 4...Kb2
                    • 5.Qc1#

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).