Problem Display
PID: 147967 (B6b/2B2p1r/p2p4/2pN1P1n/k1rn1p1P/Pp5K/1P2P1Q1/8 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

1st Prize, Swiat Szachowy, 1929

B6b/2B2p1r/p2p4/2pN1P1n/k1rn1p1P/Pp5K/1P2P1Q1/8

#3

10 + 12


35 L'Italia Scacchistica 1930

SOLUTION


  • SOUND
  • Sets
    • 1...Rc3+
      • 2.Sxc3#
    • 1...Rb4
      • 2.Sc3#
    • 1...Sc2
      • 2.Bc6#
    • 1...Sxe2
      • 2.Bc6#
    • 1...Sf3
      • 2.Bc6#
    • 1...Sxf5
      • 2.Bc6#
    • 1...Sc6
      • 2.Bxc6#
    • 1...Se6
      • 2.Bc6#
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qd3
          • threat
            • 3.Qxc4#
          • 2...Kb5
            • 3.Sc3#
          • 2...Rc1
            • 3.Qxa6#
          • 2...Rc2
            • 3.Qxa6#
          • 2...Rc3
            • 3.Sxc3#
          • 2...Rb4
            • 3.Sc3#
            • 3.Qxa6#
          • 2...Sc2
            • 3.Bc6#
          • 2...Sc6
            • 3.Bxc6#
      • 1...Kb5
        • 2.Qe8+
          • 2...Sc6
            • 3.Bxc6#
            • 3.Qxc6#
      • 1...Rg7
        • 2.Bc6+
          • 2...Sb5
            • 3.Sc3#
            • 3.Qxc4#
          • 2...Sxc6
            • 3.Sc3#
      • 1...Sg3
        • 2.Sc3+
          • 2...Rxc3
            • 3.Bc6#
      • 1...Sf6
        • 2.Bc6+
          • 2...Sb5
            • 3.Sc3#
            • 3.Qxc4#
          • 2...Sxc6
            • 3.Sc3#
      • 1...Sg7
        • 2.Bc6+
          • 2...Sb5
            • 3.Sc3#
            • 3.Qxc4#
          • 2...Sxc6
            • 3.Sc3#
      • 1...f3
        • 2.Sc3+
          • 2...Rxc3
            • 3.Bc6#
      • 1...a5
        • 2.Qe8+
          • 2...Sb5
            • 3.Sb6#
          • 2...Sc6
            • 3.Bxc6#
            • 3.Qxc6#
      • 1...f6
        • 2.Bc6+
          • 2...Sb5
            • 3.Sc3#
            • 3.Qxc4#
          • 2...Sxc6
            • 3.Sc3#

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).