Problem Display
PID: 39086 (q3n1B1/1pN2r1N/1B3PPQ/1R1ppP1R/rp2k1P1/4p3/4P3/1nb3Kb w - - 0 1)

Zappas, Byron

2nd Prize, Bonn, 1992

q3n1B1/1pN2r1N/1B3PPQ/1R1ppP1R/rp2k1P1/4p3/4P3/1nb3Kb

#3

13 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sxd5
        • threat
          • 3.Sg5#
        • 2...Rxh7
          • 3.Rxb4#
    • 1...Ra3
      • 2.Sxd5
        • threat
          • 3.Sg5#
        • 2...Rxh7
          • 3.Rxb4#
    • 1...Ra7
      • 2.Sxd5
        • threat
          • 3.Sg5#
        • 2...Rxh7
          • 3.Rxb4#
    • 1...Rxf6
      • 2.Bxd5#
    • 1...Rxc7
      • 2.Bxd5#
    • 1...Re7
      • 2.Bxd5#
    • 1...Rg7
      • 2.Bxd5#
    • 1...Rxh7
      • 2.Bxd5#
    • 1...Rf8
      • 2.Bxd5#
    • 1...Bb2
      • 2.Qxe3#
    • 1...Ba3
      • 2.Qxe3#
    • 1...Sd2
      • 2.Qxe3#
    • 1...Sxf6
      • 2.Sxf6+
        • 2...Rxf6
          • 3.Bxd5#
    • 1...d4
      • 2.Se6
        • threat
          • 3.Shg5#
        • 2...Rxh7
          • 3.Sc5#
  • Keys
    • 1.Rh3!
      • threat
        • 2.Rxe3+
          • 2...Bxe3+
            • 3.Qxe3#
      • 1...Ra3
        • 2.Sxd5
          • threat
            • 3.Sg5#
          • 2...Rxh7
            • 3.Rxb4#
      • 1...Bd2
        • 2.Rxe3+
          • 2...Bxe3+
            • 3.Qxe3#
      • 1...Bf3
        • 2.Rxf3
          • threat
            • 3.Sg5#
          • 2...Rxh7
            • 3.Bxd5#
      • 1...d4
        • 2.Se6
          • threat
            • 3.Shg5#
          • 2...Rxh7
            • 3.Sc5#

FEATURES


NOT CLASSIFIED


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).