Problem Display
PID: 30340 (R1nk4/2p1p1K1/P1B1p3/4p1p1/1P3p2/3r1N1b/1p1q1n2/3Q4 w - - 0 1)

Schlotterbeck, Benno

Probleemblad, 1974

R1nk4/2p1p1K1/P1B1p3/4p1p1/1P3p2/3r1N1b/1p1q1n2/3Q4

#3

7 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Qxb4
      • 2.Sxg5
        • threat
          • 3.Sf7#
        • 2...Rd7
          • 3.Qxd7#
    • 1...Ra3
      • 2.Sxe5
        • threat
          • 3.Sf7#
        • 2...Qd7
          • 3.Qxd7#
        • 2...Qd4
          • 3.Qxd4#
    • 1...Rb3
      • 2.Sxe5
        • threat
          • 3.Sf7#
        • 2...Qd7
          • 3.Qxd7#
        • 2...Qd4
          • 3.Qxd4#
  • Tries
    • 1.Sxe5?
      • threat
        • 2.Sf7#
      • 1...Rd7
        • 2.Kf8
          • threat
            • 3.Sf7#
        • 2.Sf7+
          • 2...Ke8
            • 3.Rxc8#
        • 2.Bxd7
          • threat
            • 3.Rxc8#
          • 2...Qxd7
            • 3.Qxd7#
        • 2.Qh5
          • threat
            • 3.Qh8#
      • 1...Qc3!
    • 1.Sxg5?
      • threat
        • 2.Sf7#
      • 1...Rd7
        • 2.Kf8
          • threat
            • 3.Sf7#
        • 2.Sf7+
          • 2...Ke8
            • 3.Rxc8#
        • 2.Qh5
          • threat
            • 3.Qh8#
      • 1...Rg3!
  • Keys
    • 1.a7!
      • threat
        • 2.Rxc8+
          • 2...Kxc8
            • 3.a8Q#
            • 3.a8R#
      • 1...Qxb4
        • 2.Sxg5
          • threat
            • 3.Sf7#
          • 2...Rd7
            • 3.Qxd7#
      • 1...Ra3
        • 2.Sxe5
          • threat
            • 3.Sf7#
          • 2...Qd7
            • 3.Qxd7#
          • 2...Qd4
            • 3.Qxd4#

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).