MESON Chess Problem Database

Problem Display
PID: 119733 (4k3/1r6/1N1Q3P/2N3PK/3b4/8/8/8 w - - 0 1)

Stepochkin, Anatoly Viktorovich

Schach, 1988

4k3/1r6/1N1Q3P/2N3PK/3b4/8/8/8

#3

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.Qe6+
        • 2...Kd8
          • 3.Qxd7#
        • 2...Kf8
          • 3.Scxd7#
          • 3.Sbxd7#
        • 2...Re7
          • 3.Qg8#
    • 1...Rf7
      • 2.Qb8+
        • 2...Ke7
          • 3.Sd5#
    • 1...Rb8
      • 2.Qe6+
        • 2...Kd8
          • 3.Qd7#
        • 2...Kf8
          • 3.Scd7#
          • 3.Sbd7#
  • Tries
    • 1.Qe6+?
      • 1...Kf8
        • 2.Scd7+
          • 2...Rxd7
            • 3.Sxd7#
        • 2.Sbd7+
          • 2...Rxd7
            • 3.Sxd7#
      • 1...Kd8!
    • 1.Qd7+?
      • 1...Kf8
        • 2.Qd8+
          • 2...Kf7
            • 3.g6#
      • 1...Rxd7!
    • 1.Qd8+?
      • 1...Kf7
        • 2.g6#
      • 1...Kxd8!
  • Keys
    • 1.Sbd7!
      • threat
        • 2.Qf8#
      • 1...Kd8
        • 2.Sxb7+
          • 2...Kc8
            • 3.Qc6#
          • 2...Ke8
            • 3.Qe6#
      • 1...Rxd7
        • 2.Qe6+
          • 2...Kd8
            • 3.Qxd7#
          • 2...Kf8
            • 3.Sxd7#
          • 2...Re7
            • 3.Qg8#
      • 1...Bxc5
        • 2.Sf6+
          • 2...Kf7
            • 3.g6#
      • 1...Bg7
        • 2.hxg7
          • threat
            • 3.Qf8#
            • 3.g8Q#
          • 2...Kf7
            • 3.Qf8#
          • 2...Kd8
            • 3.g8Q#
            • 3.g8R#

FEATURES

NOT CLASSIFIED
HTML5 logo

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).