Problem Display
PID: 38645 (3NQ3/nKp2P1q/2p4r/p2p1R1n/1prk1p2/1Pb2RN1/8/1B3b2 w - - 0 1)

Hartong, Jan

1st Prize, Brunner MT (Schweizerische Schachzeitung), 1948

3NQ3/nKp2P1q/2p4r/p2p1R1n/1prk1p2/1Pb2RN1/8/1B3b2

#3

9 + 14


461 Schach-Express 1948
3105 FIDE Album (1945-1955) 1964

SOLUTION


  • SOUND
  • Sets
    • 1...Rc5
      • 2.Qe5#
    • 1...Re6
      • 2.Sxe6#
    • 1...Bh3
      • 2.Se4
        • threat
          • 3.Rd3#
          • 3.Qe5#
        • 2...Re6
          • 3.Sxe6#
    • 1...Sf6
      • 2.Se6#
    • 1...fxg3
      • 2.Qe3#
    • 1...c5
      • 2.Qe5#
  • Tries
    • 1.Rd3+?
      • 1...Kc5
        • 2.Qxc6+
          • 2...Rxc6
            • 3.Rdxd5#
            • 3.Rfxd5#
          • 2...Sxc6
            • 3.Rdxd5#
            • 3.Rfxd5#
      • 1...Bxd3!
  • Keys
    • 1.Ka6!
      • threat
        • 2.Qe5+
          • 2...Kc5
            • 3.Sb7#
      • 1...Rc5+
        • 2.Qe2
          • threat
            • 3.Rd3#
          • 2...Bxe2+
            • 3.Sxe2#
          • 2...Qxf5
            • 3.Sxf5#
          • 2...Rc4
            • 3.Qf2#
          • 2...Rb5
            • 3.Qf2#
      • 1...c5+
        • 2.Qe6
          • threat
            • 3.Rxd5#
          • 2...Rxe6+
            • 3.Sxe6#
          • 2...Qxf5
            • 3.Sxf5#
          • 2...Sf6
            • 3.Qe5#
          • 2...c6
            • 3.Qe5#
      • 1...Kc5
        • 2.Sb7+
          • 2...Kd4
            • 3.Qe5#
      • 1...Qxf5
        • 2.Sxf5+
          • 2...Kc5
            • 3.Sb7#
      • 1...Qg7
        • 2.R5xf4+
          • 2...Kc5
            • 3.Sb7#
          • 2...Sxf4
            • 3.Qe3#
      • 1...Qh8
        • 2.R5xf4+
          • 2...Kc5
            • 3.Sb7#
          • 2...Sxf4
            • 3.Qe3#

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).