Problem Display
PID: 60449 (8/K2Bp3/bB2P2p/7R/1R2nkpP/1Nr1p1p1/2Pb2P1/7Q w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Volchek, Viktor Fedorovich

3rd HM., Probleemblad, 2005

8/K2Bp3/bB2P2p/7R/1R2nkpP/1Nr1p1p1/2Pb2P1/7Q

#4

11 + 10


102 Probleemblad 2007

SOLUTION


  • SOUND
  • Keys
    • 1.Qd1!
      • threat
        • 2.Rxe4+
          • 2...Kxe4
            • 3.Qxg4#
      • 1...Rxc2
        • 2.Qxg4+
          • 2...Kxg4
            • 3.Rxe4+
              • 3...Kxh5
                • 4.Be8#
      • 1...Rc4
        • 2.Qf1+
          • 2...Sf2
            • 3.Bc7+
              • 3...Ke4
                • 4.Bc6#
      • 1...Be2
        • 2.Qxe2
          • threat
            • 3.Qf1#
          • 2...Rc4
            • 3.Qf1+
              • 3...Sf2
                • 4.Rxc4#
            • 3.Rxc4
              • threat
                • 4.Bc7#
                • 4.Qf1#
          • 2...Be1
            • 3.Rxe4+
              • 3...Kxe4
                • 4.Qxg4#
            • 3.Qxe3+
              • 3...Rxe3
                • 4.Bc7#
            • 3.Bc6
              • threat
                • 4.Bc7#
                • 4.Rxe4#
              • 3...Rxc6
                • 4.Bxe3#
                • 4.Qxe3#
              • 3...Rc4
                • 4.Bxe3#
                • 4.Qxe3#
      • 1...Bd3
        • 2.cxd3
          • threat
            • 3.Rxe4#
            • 3.Qf1#
          • 2...Rc4
            • 3.Qf1+
              • 3...Sf2
                • 4.Bc7#
                • 4.Rxc4#
            • 3.Rxc4
              • threat
                • 4.Bc7#
                • 4.Rxe4#
                • 4.Qf1#
      • 1...Bc4
        • 2.Bc7+
          • 2...Sd6
            • 3.Qf1+
              • 3...Ke4
                • 4.Bc6#

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).