Problem Display
PID: 267698 (2r2b2/6p1/1pRP2N1/N2p1R1K/1rpkpp2/2p5/1PPp1P1n/3Q4 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Shakhmatnaya kompozitsiya, 1993

2r2b2/6p1/1pRP2N1/N2p1R1K/1rpkpp2/2p5/1PPp1P1n/3Q4

#3

10 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Rb3
      • 2.Sxb3+
        • 2...cxb3
          • 3.bxc3#
    • 1...Ra4
      • 2.Sb3+
        • 2...cxb3
          • 3.bxc3#
    • 1...Ra8
      • 2.Rxc4+
        • 2...Rxc4
          • 3.Sb3#
        • 2...dxc4
          • 3.Sc6#
    • 1...Rb8
      • 2.Rxc4+
        • 2...Rxc4
          • 3.Sb3#
        • 2...dxc4
          • 3.Sc6#
    • 1...Rd8
      • 2.Rxc4+
        • 2...Rxc4
          • 3.Sb3#
        • 2...dxc4
          • 3.Sc6#
    • 1...Re8
      • 2.Rxc4+
        • 2...Rxc4
          • 3.Sb3#
        • 2...dxc4
          • 3.Sc6#
    • 1...cxb2
      • 2.Qxd2#
    • 1...e3
      • 2.Rxf4#
  • Tries
    • 1.Sb3+?
      • 1...cxb3
        • 2.bxc3#
      • 1...Rxb3!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qd3+
          • 2...cxd3
            • 3.bxc3#
          • 2...exd3
            • 3.Rxf4#
      • 1...Rxb2
        • 2.Rxd5+
          • 2...Kxd5
            • 3.Qxc4#
      • 1...Rxc6
        • 2.Qxe4+
          • 2...Kxe4
            • 3.Rxf4#
          • 2...Kc5
            • 3.Rxd5#
            • 3.Qxd5#
          • 2...dxe4
            • 3.Sxc6#
      • 1...Bxd6
        • 2.Qxc4+
          • 2...Rxc4
            • 3.Sb3#
          • 2...dxc4
            • 3.Rxd6#
      • 1...Rb3
        • 2.Sxb3+
          • 2...cxb3
            • 3.bxc3#
        • 2.Rxd5+
          • 2...Kxd5
            • 3.Qxc4#
        • 2.Qd3+
          • 2...cxd3
            • 3.Sxb3#
          • 2...exd3
            • 3.Rxf4#
      • 1...Ra4
        • 2.Sb3+
          • 2...cxb3
            • 3.bxc3#
        • 2.Qd3+
          • 2...cxd3
            • 3.Sb3#
            • 3.bxc3#
          • 2...exd3
            • 3.Rxf4#
      • 1...Re8
        • 2.Rxc4+
          • 2...Rxc4
            • 3.Sb3#
          • 2...dxc4
            • 3.Sc6#

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).