Problem Display
PID: 8891 (3Kn3/2nN4/1p2p3/1PNkBp2/2p3p1/6r1/Q7/8 w - - 0 1)

Akerblom, Johan Axel

2nd HM., Tidskrift for Schack, 1964

3Kn3/2nN4/1p2p3/1PNkBp2/2p3p1/6r1/Q7/8

#3

6 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qd2#
    • 1...Rg2
      • 2.Qxg2#
    • 1...Sxb5
      • 2.Qa8#
    • 1...Sa8
      • 2.Qxa8#
    • 1...Sg7
      • 2.Qa7
        • threat
          • 3.Qb7#
        • 2...c3
          • 3.Qa2#
  • Tries
    • 1.Bxg3?
      • threat
        • 2.Qd2#
      • 1...Sxb5
        • 2.Qg2+
          • 2...Kd4
            • 3.Qd2#
      • 1...bxc5!
    • 1.Qa7?
      • threat
        • 2.Qb7#
      • 1...c3
        • 2.Qa2#
      • 1...Sd6!
  • Keys
    • 1.Sa4!
      • threat
        • 2.Qg2+
          • 2...Rxg2
            • 3.Sc3#
          • 2...Rf3
            • 3.Sc3#
      • 1...Ke4
        • 2.Qe2+
          • 2...Kd5
            • 3.Saxb6#
            • 3.Sdxb6#
          • 2...Re3
            • 3.Sc3#
      • 1...Sxb5
        • 2.Sc3+
          • 2...Kc6
            • 3.Qa8#
          • 2...Rxc3
            • 3.Qa8#
          • 2...Sxc3
            • 3.Qa8#
      • 1...Ra3
        • 2.Qg2+
          • 2...Rf3
            • 3.Sc3#
      • 1...Rb3
        • 2.Qg2+
          • 2...Rf3
            • 3.Sc3#
      • 1...Rd3
        • 2.Qg2+
          • 2...Rf3
            • 3.Sc3#
      • 1...Re3
        • 2.Qg2+
          • 2...Rf3
            • 3.Sc3#
          • 2...Re4
            • 3.Sc3#
            • 3.Saxb6#
      • 1...Rf3
        • 2.Qd2+
          • 2...Ke4
            • 3.Qd4#
          • 2...Rd3
            • 3.Sc3#
      • 1...Rh3
        • 2.Qg2+
          • 2...Rf3
            • 3.Sc3#
      • 1...Sd6
        • 2.Qg2+
          • 2...Rxg2
            • 3.Sc3#
          • 2...Rf3
            • 3.Sc3#
          • 2...Se4
            • 3.Saxb6#
      • 1...Sf6
        • 2.Qg2+
          • 2...Rxg2
            • 3.Sc3#
          • 2...Rf3
            • 3.Sc3#
          • 2...Se4
            • 3.Saxb6#
      • 1...f4
        • 2.Qg2+
          • 2...Rxg2
            • 3.Sc3#
          • 2...Rf3
            • 3.Sc3#
          • 2...f3
            • 3.Sc3#

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).