Problem Display
PID: 95894 (8/K4p2/8/kb2N3/p2N4/B7/8/8 w - - 0 1)

Vasta, Jan

Narodni Politika, 1910

8/K4p2/8/kb2N3/p2N4/B7/8/8

#3

4 + 4


6490 yacpdb 2009
5454 Near Snap 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Bf1
      • 2.Sec6#
    • 1...Be2
      • 2.Sec6#
    • 1...Bd3
      • 2.Sec6#
    • 1...Bc4
      • 2.Sxc4#
      • 2.Sec6#
    • 1...Ba6
      • 2.Sec6#
    • 1...Bc6
      • 2.Sc4#
      • 2.Sexc6#
    • 1...Bd7
      • 2.Sc4#
    • 1...Be8
      • 2.Sc4#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sd6
          • threat
            • 3.Sb7#
          • 2...Bf1
            • 3.Sc6#
          • 2...Be2
            • 3.Sc6#
          • 2...Bd3
            • 3.Sc6#
          • 2...Bc4
            • 3.Sexc4#
            • 3.Sc6#
          • 2...Ba6
            • 3.Sc6#
          • 2...Bc6
            • 3.Sec4#
            • 3.Sxc6#
          • 2...Bd7
            • 3.Sec4#
          • 2...Be8
            • 3.Sec4#
      • 1...Bf1
        • 2.Sd6
          • threat
            • 3.Sc6#
          • 2...Bg2
            • 3.Sec4#
          • 2...Bb5
            • 3.Sb7#
      • 1...Be2
        • 2.Sd6
          • threat
            • 3.Sc6#
          • 2...Bf3
            • 3.Sec4#
          • 2...Bb5
            • 3.Sb7#
      • 1...Bd3
        • 2.Sd6
          • threat
            • 3.Sc6#
          • 2...Be4
            • 3.Sec4#
          • 2...Bb5
            • 3.Sb7#
      • 1...Bc4
        • 2.Sc6+
          • 2...Kb5
            • 3.Sfd4#
      • 1...Ba6
        • 2.Sd6
          • threat
            • 3.Sc6#
          • 2...Bb5
            • 3.Sb7#
          • 2...Bb7
            • 3.Sec4#
      • 1...Bc6
        • 2.Sc4+
          • 2...Kb5
            • 3.Sfd6#
      • 1...Bd7
        • 2.Sd6
          • threat
            • 3.Sec4#
          • 2...Bb5
            • 3.Sb7#
          • 2...Be6
            • 3.Sc6#
      • 1...Be8
        • 2.Sd6
          • threat
            • 3.Sec4#
          • 2...Bb5
            • 3.Sb7#

This anticipates 170668(1972), 170241(1982)

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).