MESON Chess Problem Database

Problem Display
PID: 262649 (1b6/pQ6/5P1K/3Pk1P1/8/5P2/7P/1B2N3 w - - 0 1)

Kos, Vladimir

Szachy, 1979

1b6/pQ6/5P1K/3Pk1P1/8/5P2/7P/1B2N3

#3

9 + 3

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Sd3
        • threat
          • 3.Qc6#
  • Tries
    • 1.Sd3+?
      • 1...Kf5
        • 2.Qc8#
        • 2.Qd7#
        • 2.Qh7#
      • 1...Kd6
        • 2.Qc6#
      • 1...Kd4!
    • 1.Qc6?
      • threat
        • 2.Sd3+
          • 2...Kd4
            • 3.Qc5#
          • 2...Kf5
            • 3.Qd7#
            • 3.Qe6#
            • 3.Qc8#
      • 1...Kf4
        • 2.Qc3
          • threat
            • 3.Sg2#
            • 3.Qd4#
      • 1...Bd6
        • 2.Qc3+
          • 2...Kf4
            • 3.Sg2#
            • 3.Qd4#
          • 2...Kxd5
            • 3.Ba2#
      • 1...Bc7
        • 2.Sd3+
          • 2...Kd4
            • 3.Qc5#
          • 2...Kf5
            • 3.Qd7#
            • 3.Qe6#
      • 1...Kd4!
  • Keys
    • 1.Be4!
      • 1...Kd4
        • 2.Sc2+
          • 2...Kc3
            • 3.Qb4#
          • 2...Kc4
            • 3.Qb4#
          • 2...Kc5
            • 3.Qc6#
            • 3.Qb4#
          • 2...Ke5
            • 3.Qxb8#
      • 1...Kf4
        • 2.Qb2
          • threat
            • 3.Sg2#
          • 2...Ke3
            • 3.Sg2#
      • 1...Bd6
        • 2.Qb2+
          • 2...Kf4
            • 3.Sg2#
      • 1...Bc7
        • 2.Qxc7+
          • 2...Kd4
            • 3.Sc2#
      • 1...a5
        • 2.Qb6
          • threat
            • 3.Sd3#
          • 2...Kf4
            • 3.Sd3#
      • 1...a6
        • 2.Qb6
          • threat
            • 3.Sd3#
          • 2...Kf4
            • 3.Sd3#

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).