Problem Display
PID: 80807 (b3r3/3NP3/4BpRq/1npp2p1/3pk2P/QP5R/r1p2P2/2B4K w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Makaronets, Leonid

Comm., StrateGems, 2008

b3r3/3NP3/4BpRq/1npp2p1/3pk2P/QP5R/r1p2P2/2B4K

#4

11 + 12


145 StrateGems 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Bg4!
      • threat
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
                • 4.Sxf6#
      • 1...Qxh4
        • 2.Sxf6+
          • 2...Ke5
            • 3.Sd7+
              • 3...Ke4
                • 4.Re6#
      • 1...Qxg6
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Rxe7
        • 2.Sxc5+
          • 2...Ke5
            • 3.Sd3+
              • 3...Ke4
                • 4.Qxe7#
      • 1...Qg7
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Qf8
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Qh8
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
      • 1...Rc8
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxf6#
      • 1...Rf8
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
      • 1...c4
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sc5#
                • 4.Sxf6#
      • 1...f5
        • 2.f3+
          • 2...Kd3
            • 3.f4+
              • 3...Ke4
                • 4.Sxc5#
                • 4.Sf6#
        • 2.Be2
          • threat
            • 3.Bd3#
            • 3.f3#
          • 2...d3
            • 3.Bxd3+
              • 3...Kd4
                • 4.Qxc5#
            • 3.Bf3+
              • 3...Kd4
                • 4.Qxc5#
            • 3.f3+
              • 3...Kd4
                • 4.Qxc5#
            • 3.Qxc5
              • threat
                • 4.Bxd3#
                • 4.Bf3#
                • 4.Qe3#
                • 4.f3#

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).