Problem Display
PID: 150652 (4RK2/p2p4/3p1kp1/6p1/1ppPP1p1/5nP1/5Q1b/2r5 w - - 0 1)

Nichtawitz, Alois

Die Schwalbe, 2013

4RK2/p2p4/3p1kp1/6p1/1ppPP1p1/5nP1/5Q1b/2r5

#5

6 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qa5
          • threat
            • 3.Qd8#
      • 1...Sxd4
        • 2.Qf2+
          • 2...Sf3
            • 3.Qxa7
              • threat
                • 4.Qxd7
                  • threat
                    • 5.Re6#
                    • 5.Qe6#
                    • 5.Qxd6#
                    • 5.Qe7#
                    • 5.Qf7#
                    • 5.Qg7#
                    • 5.Qd8#
                • 4.Qb6
                  • threat
                    • 5.Qd8#
                    • 5.Qxd6#
                • 4.Qb8
                  • threat
                    • 5.Qxd6#
                    • 5.Qd8#
                • 4.Qa5
                  • threat
                    • 5.Qd8#
                • 4.Qc7
                  • threat
                    • 5.Qxd6#
                    • 5.Qd8#
                • 4.Qa8
                  • threat
                    • 5.Qd8#
              • 3...Se5
                • 4.Qb6
                  • threat
                    • 5.Qd8#
                    • 5.Qxd6#
                  • 4...Sc6
                    • 5.Qf2#
                  • 4...Sf7
                    • 5.Qf2#
              • 3...d5
                • 4.Qb6+
                  • 4...d6
                    • 5.Qd8#
                    • 5.Qxd6#
                • 4.Qa6+
                  • 4...d6
                    • 5.Qxd6#
                • 4.Qxd7
                  • threat
                    • 5.Re6#
                    • 5.Qc6#
                    • 5.Qe6#
                    • 5.Qd6#
                    • 5.Qe7#
                    • 5.Qf7#
                    • 5.Qg7#
                    • 5.Qd8#
          • 2...Sf5
            • 3.Qxa7
              • threat
                • 4.Qxd7
                  • threat
                    • 5.Re6#
                    • 5.Qe6#
                    • 5.Qf7#
                  • 4...Se7
                    • 5.Qxd6#
                    • 5.Qxe7#
              • 3...Bxg3
                • 4.Qxd7
                  • threat
                    • 5.Re6#
                    • 5.Qe6#
                    • 5.Qf7#
                  • 4...Se7
                    • 5.Qxe7#
              • 3...Se7
                • 4.Qd4+
                  • 4...Ke6
                    • 5.Rxe7#
              • 3...Rd1
                • 4.Qxd7
                  • threat
                    • 5.Re6#
                    • 5.Qe6#
                    • 5.Qf7#
                  • 4...Se7
                    • 5.Qxe7#

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).