Problem Display
PID: 200496 (n7/p7/2Bpp3/1Pprb1r1/p1k5/K1N1P1p1/1BPR4/1N6 w - - 0 1)

Visserman, Eeltje

1st Prize, Het Parool, 1973/II

n7/p7/2Bpp3/1Pprb1r1/p1k5/K1N1P1p1/1BPR4/1N6

#3

9 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Sxd2#
    • 1...Rd3
      • 2.cxd3#
    • 1...Sc7
      • 2.Kxa4
        • threat
          • 3.Sa3#
        • 2...Sxb5
          • 3.Bxb5#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Sd2#
      • 1...Bxc3
        • 2.Rxc3#
      • 1...Rxd3!
    • 1.Rd4+?
      • 1...cxd4
        • 2.Sd2+
          • 2...Kc5
            • 3.Sxa4#
      • 1...Rxd4!
  • Keys
    • 1.Sd1!
      • threat
        • 2.Bxe5
          • threat
            • 3.Sb2#
          • 2...Rd3+
            • 3.cxd3#
      • 1...Rd4
        • 2.Bc3
          • threat
            • 3.Sb2#
      • 1...Bc3
        • 2.Bxc3
          • threat
            • 3.Sb2#
      • 1...Bd4
        • 2.Rd3
          • threat
            • 3.Sd2#
          • 2...Bxb2+
            • 3.Sxb2#
          • 2...Bxe3
            • 3.Sxe3#
          • 2...Bc3
            • 3.Rxc3#
      • 1...Bf4
        • 2.Bc3
          • threat
            • 3.Sb2#
      • 1...Bf6
        • 2.Bxf6
          • threat
            • 3.Sb2#
          • 2...Rd3+
            • 3.cxd3#
      • 1...Bg7
        • 2.Bxg7
          • threat
            • 3.Sb2#
          • 2...Rd3+
            • 3.cxd3#
      • 1...Bh8
        • 2.Bxh8
          • threat
            • 3.Sb2#
          • 2...Rd3+
            • 3.cxd3#
      • 1...Sc7
        • 2.Kxa4
          • threat
            • 3.Sa3#
          • 2...Bxb2
            • 3.Sxb2#
          • 2...Sxb5
            • 3.Bxb5#
          • 2...Rd3
            • 3.cxd3#

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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).