Problem Display
PID: 275628 (1K6/P2N3R/rp2k1p1/PN1ppp2/2p1P1p1/R7/2n1BP2/4B2b w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Zamanov, Vidadi

Problemist Ukraini, 2023

1K6/P2N3R/rp2k1p1/PN1ppp2/2p1P1p1/R7/2n1BP2/4B2b

#4

11 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Re3!
      • threat
        • 2.exf5+
          • 2...Kxf5
            • 3.Rxe5+
              • 3...Kf4
                • 4.Rf7#
      • 1...Sxe3
        • 2.Sc7+
          • 2...Kd6
            • 3.Bb4+
              • 3...Kc6
                • 4.Sxe5#
      • 1...bxa5
        • 2.exd5+
          • 2...Kxd5
            • 3.Rxe5+
              • 3...Kc6
                • 4.Rc5#
      • 1...Sd4
        • 2.Sxd4+
          • 2...exd4
            • 3.Bb4
              • threat
                • 4.Re7#
              • 3...dxe4
                • 4.Bxc4#
              • 3...fxe4
                • 4.Bxg4#
        • 2.Sc7+
          • 2...Kd6
            • 3.Bb4+
              • 3...Kc6
                • 4.Sxe5#
        • 2.exf5+
          • 2...Kxf5
            • 3.Rxe5+
              • 3...Kf4
                • 4.Bd2#
      • 1...g3
        • 2.exf5+
          • 2...Kxf5
            • 3.Rxe5+
              • 3...Kf4
                • 4.Rh4#
                • 4.Rf7#
                • 4.fxg3#
        • 2.Rxg3
          • threat
            • 3.Rxg6#
          • 2...g5
            • 3.Rxg5
              • threat
                • 4.Rg6#
                • 4.exf5#
              • 3...dxe4
                • 4.Bxc4#
              • 3...fxe4
                • 4.Bg4#
                • 4.Rxe5#
            • 3.Rgh3
              • threat
                • 4.R3h6#
              • 3...dxe4
                • 4.Bxc4#
              • 3...fxe4
                • 4.Bg4#
      • 1...g5
        • 2.Sf8+
          • 2...Kf6
            • 3.Sd6
              • threat
                • 4.Se8#
                • 4.Rf7#

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).