Problem Display
PID: 86358 (8/p1Kp3R/1Pp4R/Qr4k1/1p1N4/b2P3P/bprqN3/2B5 w - - 0 1)

Loshinski, Lev Ilich

Birnov MT, 1972

8/p1Kp3R/1Pp4R/Qr4k1/1p1N4/b2P3P/bprqN3/2B5

#4

10 + 11


6490 yacpdb 2009
3713 Snap 2024

SOLUTION


  • SOUND
  • Keys
    • 1.Kd6!
      • threat
        • 2.Sf3+
          • 2...Kf5
            • 3.Sh4+
              • 3...Kg5
                • 4.Rg6#
      • 1...Rd5+
        • 2.Ke7
          • threat
            • 3.Sf3+
              • 3...Kf5
                • 4.Rf6#
                • 4.Rf7#
          • 2...b3+
            • 3.Kf7
              • threat
                • 4.Rh5#
                • 4.Rg6#
              • 3...Qf4+
                • 4.Bxf4#
              • 3...Rf5+
                • 4.Qxf5#
          • 2...Rxa5
            • 3.Sf3+
              • 3...Kf5
                • 4.Rf6#
          • 2...Rb5
            • 3.Sf3+
              • 3...Kf5
                • 4.Rf6#
          • 2...Rdc5
            • 3.Sf3+
              • 3...Kf5
                • 4.Rf6#
      • 1...b3+
        • 2.Kxd7
          • threat
            • 3.Sf3+
              • 3...Kf5
                • 4.Rf7#
            • 3.Bxd2+
              • 3...Rxd2
                • 4.Qxd2#
            • 3.Qxd2+
              • 3...Rxd2
                • 4.Bxd2#
            • 3.Ke6
              • threat
                • 4.Sf3#
              • 3...Qe3+
                • 4.Bxe3#
              • 3...Re5+
                • 4.Qxe5#
          • 2...Rd5+
            • 3.Ke6
              • threat
                • 4.Sf3#
              • 3...Qe3+
                • 4.Bxe3#
              • 3...Re5+
                • 4.Qxe5#
      • 1...Bd5
        • 2.Rg7+
          • 2...Kxh6
            • 3.Sf5+
              • 3...Kh5
                • 4.Seg3#

This anticipates 274289(1991)

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).