Problem Display
PID: 29298 (k1N5/Pp6/3P4/8/1p2p3/1p6/pB2K3/Q7 w - - 0 1)

Johansson, Gustaf Adolf

1st Prize, Sved Sakkszovetseg, 1928

k1N5/Pp6/3P4/8/1p2p3/1p6/pB2K3/Q7

#3

6 + 6


38 Magyar Sakkvilag 1930
13255 Hoekstenen 1967
14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION


  • SOUND
  • Sets
    • 1...e3
      • 2.Kxe3
        • 2...b5
          • 3.Qh1#
        • 2...b6
          • 3.Qh1#
      • 2.d7
        • 2...b5
          • 3.Qh1#
        • 2...b6
          • 3.Qh1#
  • Tries
    • 1.Bc1?
      • 1...b5
        • 2.Qg7
          • threat
            • 3.Sb6#
      • 1...b6
        • 2.Qg7
          • threat
            • 3.Sxb6#
          • 2...b5
            • 3.Sb6#
      • 1...e3
        • 2.Bb2
          • 2...b5
            • 3.Qh1#
          • 2...b6
            • 3.Qh1#
      • 1...b2!
    • 1.Qxa2?
      • threat
        • 2.Sb6#
      • 1...b5
        • 2.Qa1
          • 2...Kb7
            • 3.a8Q#
          • 2...e3
            • 3.Qh1#
        • 2.Qa6
          • 2...e3
            • 3.Sb6#
            • 3.Qc6#
      • 1...b6
        • 2.Qa6
          • threat
            • 3.Sxb6#
          • 2...b5
            • 3.Sb6#
            • 3.Qc6#
      • 1...bxa2!
    • 1.d7?
      • 1...b5
        • 2.d8S
          • 2...e3
            • 3.Qh1#
      • 1...e3
        • 2.Kxe3
          • 2...b5
            • 3.Qh1#
          • 2...b6
            • 3.Qh1#
        • 2.d8Q
          • 2...b5
            • 3.Qh1#
            • 3.Qd5#
          • 2...b6
            • 3.Qh1#
            • 3.Qd5#
        • 2.d8S
          • 2...b5
            • 3.Qh1#
          • 2...b6
            • 3.Qh1#
        • 2.d8B
          • 2...b5
            • 3.Qh1#
          • 2...b6
            • 3.Qh1#
        • 2.d8R
          • 2...b5
            • 3.Qh1#
          • 2...b6
            • 3.Qh1#
      • 1...b6!
  • Keys
    • 1.Bh8!
      • 1...b5
        • 2.Qg7
          • threat
            • 3.Sb6#
      • 1...b6
        • 2.Qg7
          • threat
            • 3.Sxb6#
          • 2...b5
            • 3.Sb6#
      • 1...b2
        • 2.Qxa2
          • threat
            • 3.Sb6#
          • 2...b5
            • 3.Qd5#
          • 2...b6
            • 3.Qd5#
      • 1...e3
        • 2.Bb2
          • 2...b5
            • 3.Qh1#
          • 2...b6
            • 3.Qh1#

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).