MESON Chess Problem Database

Problem Display
PID: 252057 (n7/p7/2p1Nkp1/p7/6P1/1Q5P/6K1/4B3 w - - 0 1)

Isaryanov, Vladimir Petrovich

Sachove umeni (Ceskoslovensky sach), 1965

n7/p7/2p1Nkp1/p7/6P1/1Q5P/6K1/4B3

#4

6 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qf7+
          • 2...Ke5
            • 3.Bc3+
              • 3...Kd6
                • 4.Se4#
          • 2...Kxg5
            • 3.Bd2+
              • 3...Kh4
                • 4.Qf2#
                • 4.Qh7#
      • 1...Ke5
        • 2.Bg3+
          • 2...Kd4
            • 3.Se6+
              • 3...Ke4
                • 4.Qf3#
          • 2...Kf6
            • 3.Qf7+
              • 3...Kxg5
                • 4.Qf4#
      • 1...Kxg5
        • 2.Bh4+
          • 2...Kf4
            • 3.Bf6
              • threat
                • 4.Qf3#
              • 3...Ke4
                • 4.Qf3#
          • 2...Kxh4
            • 3.Qe3
              • threat
                • 4.Qh6#
              • 3...g5
                • 4.Qf2#
                • 4.Qe1#
                • 4.Qg3#
          • 2...Kh6
            • 3.Qg8
              • threat
                • 4.Qh8#
              • 3...g5
                • 4.Bxg5#
      • 1...Ke7
        • 2.Qe6+
          • 2...Kd8
            • 3.Bg3
              • threat
                • 4.Sf7#
      • 1...Kg7
        • 2.Qf7+
          • 2...Kh6
            • 3.Se6
              • threat
                • 4.Qg7#
            • 3.Bd2
              • threat
                • 4.Qh7#
                • 4.Qf8#
            • 3.Bh4
              • threat
                • 4.Qh7#
                • 4.Qf8#
            • 3.h4
              • threat
                • 4.Qh7#
                • 4.Qf8#
      • 1...c5
        • 2.Qf7+
          • 2...Ke5
            • 3.Qe6+
              • 3...Kd4
                • 4.Qe4#
              • 3...Kf4
                • 4.Bd2#
          • 2...Kxg5
            • 3.Bd2+
              • 3...Kh4
                • 4.Qf2#
                • 4.Qh7#

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).