Problem Display
PID: 12642 (b1N5/2r5/8/6rp/BR2p1pK/BPk3p1/Q3P3/b7 w - - 0 1)

Makaronets, Leonid

StrateGems, 2000

b1N5/2r5/8/6rp/BR2p1pK/BPk3p1/Q3P3/b7

#3

8 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Re5
      • 2.Rd4
        • threat
          • 3.Qd2#
        • 2...Kxd4
          • 3.Qd2#
        • 2...Bb2
          • 3.Qxb2#
        • 2...e3
          • 3.Rd3#
    • 1...Rc4
      • 2.Rxc4#
    • 1...Ra7
      • 2.Rc4#
    • 1...Rb7
      • 2.Rc4#
    • 1...Rd7
      • 2.Rc4#
    • 1...Re7
      • 2.Rc4#
    • 1...Rf7
      • 2.Rc4#
    • 1...Rg7
      • 2.Rc4#
    • 1...Rh7
      • 2.Rc4#
    • 1...Bb2
      • 2.Qxb2#
    • 1...Bc6
      • 2.Rc4#
  • Tries
    • 1.Rd4?
      • threat
        • 2.Qd2#
      • 1...Bb2
        • 2.Qxb2#
      • 1...e3
        • 2.Rd3#
      • 1...Kxd4!
    • 1.Rxe4?
      • threat
        • 2.Bb4#
      • 1...Rb5
        • 2.Re3+
          • 2...Kd4
            • 3.Qd2#
      • 1...Bxe4!
    • 1.Qxa1+?
      • 1...Kc2
        • 2.Qc1#
      • 1...Kd2!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Bc6
          • threat
            • 3.Sxe4#
            • 3.Rc4#
          • 2...Bb2
            • 3.Qxb2#
      • 1...Rgc5
        • 2.Rc4+
          • 2...Rxc4
            • 3.Sb5#
      • 1...Re5
        • 2.Rd4
          • threat
            • 3.Qd2#
          • 2...Kxd4
            • 3.Qd2#
          • 2...Bb2
            • 3.Qxb2#
          • 2...e3
            • 3.Rd3#
      • 1...Rcc5
        • 2.Sb5+
          • 2...Rxb5
            • 3.Rc4#
      • 1...e3
        • 2.Bc6
          • threat
            • 3.Se4#
            • 3.Rc4#
          • 2...Bb2
            • 3.Qxb2#

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).