Problem Display
PID: 251383 (qn4RK/1r1p4/5B1p/3Pp3/p3pkP1/bp2R2B/3pP2P/r2N4 w - - 0 1)

Trilling, Anton AC

Die Schwalbe, 1930

qn4RK/1r1p4/5B1p/3Pp3/p3pkP1/bp2R2B/3pP2P/r2N4

#4

10 + 13


SOLUTION


  • COOKED
  • Keys
    • 1.Bg2!
      • threat
        • 2.Rxe4#
      • 1...Rb4
        • 2.Bg5+
          • 2...Kxg4
            • 3.Sf2+
              • 3...Kf5
                • 4.Bh3#
              • 3...Kh5
                • 4.Rh3#
          • 2...hxg5
            • 3.Rg3
              • threat
                • 4.Rf8#
                • 4.e3#
        • 2.Bh4
          • threat
            • 3.Bg3#
          • 2...Rxd1
            • 3.Rc3
              • threat
                • 4.Bg3#
                • 4.e3#
            • 3.Rg3
              • threat
                • 4.Rf8#
                • 4.e3#
        • 2.Rg3
          • threat
            • 3.e3#
          • 2...Qa7
            • 3.Bg5+
              • 3...hxg5
                • 4.Rf8#
          • 2...e3
            • 3.Bg5+
              • 3...hxg5
                • 4.Rf8#
            • 3.Sf2
              • threat
                • 4.Sd3#
                • 4.Sh3#
                • 4.Rf3#
              • 3...exf2
                • 4.e3#
    • 1.Bh4!
      • threat
        • 2.Bg3#
      • 1...Rxd1
        • 2.Rc3
          • threat
            • 3.Bg3#
          • 2...e3
            • 3.Rc4+
              • 3...e4
                • 4.Bg3#
            • 3.Bg2
              • threat
                • 4.Bg3#
          • 2...Rg1
            • 3.Bg3+
              • 3...Rxg3
                • 4.hxg3#

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).