Problem Display
PID: 250905 (4b3/Np1pr1n1/p2p1bP1/p2k1P2/P5R1/3N1P2/KP1P1BB1/8 w - - 0 1)

Kostylev, Mikhail Romanovich

Uralski Problemist, 2011

4b3/Np1pr1n1/p2p1bP1/p2k1P2/P5R1/3N1P2/KP1P1BB1/8

#5

12 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Re4!
      • threat
        • 2.Sf4#
      • 1...Rxe4
        • 2.fxe4+
          • 2...Kc4
            • 3.Bf1
              • threat
                • 4.b3#
              • 3...Bxb2
                • 4.Sc8
                  • threat
                    • 5.Sb6#
                    • 5.Sxd6#
      • 1...Be5
        • 2.Sc8
          • threat
            • 3.Sxe7#
          • 2...Sxf5
            • 3.Sf4+
              • 3...Bxf4
                • 4.Sb6+
                  • 4...Kc6
                    • 5.Rc4#
      • 1...Sh5
        • 2.b3
          • threat
            • 3.Rxe7
              • threat
                • 4.f4#
              • 3...Sg3
                • 4.Sf4#
              • 3...Sf4
                • 4.Sxf4#
          • 2...Bxg6
            • 3.Rxe7
              • threat
                • 4.f4#
              • 3...Bxf5
                • 4.f4+
                  • 4...Be4
                    • 5.Bxe4#

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).