Problem Display
PID: 253018 (8/3p4/2p5/bbP2R2/pRpNk3/2B3P1/KPP5/5B2 w - - 0 1)

Volpiansky, N

Die Schwalbe, 1930

8/3p4/2p5/bbP2R2/pRpNk3/2B3P1/KPP5/5B2

#3

10 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Ke3
      • 2.Rf4
        • threat
          • 3.Sf5#
  • Tries
    • 1.Bd3+?
      • 1...Ke3
        • 2.Rf3#
      • 1...cxd3!
    • 1.Rf2?
      • threat
        • 2.Bg2+
          • 2...Ke3
            • 3.Re2#
          • 2...Ke5
            • 3.Rf5#
      • 1...Ke5
        • 2.Bg2
          • threat
            • 3.Rf5#
      • 1...Kd5!
    • 1.Rf4+?
      • 1...Ke5
        • 2.Bg2
          • threat
            • 3.Rf5#
      • 1...Kd5!
  • Keys
    • 1.Be1!
      • threat
        • 2.Bf2
          • threat
            • 3.Bg2#
      • 1...Ke3
        • 2.Rf4
          • threat
            • 3.Sf5#
        • 2.Re5+
          • 2...Kxd4
            • 3.Bc3#
      • 1...Kxd4
        • 2.Bf2+
          • 2...Ke4
            • 3.Bd3#
      • 1...c3
        • 2.Bg2+
          • 2...Ke3
            • 3.Re5#

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).