MESON Chess Problem Database

Problem Display
PID: 256166 (1r4k1/1b3N1p/5K2/8/3P3p/6bR/1Q6/6n1 w - - 0 1)

Yaroslavtsev, Arkady Ivanovich

Shakhmaty v SSSR, 1972

1r4k1/1b3N1p/5K2/8/3P3p/6bR/1Q6/6n1

#4

5 + 7

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qb3!
      • threat
        • 2.Sh6+
          • 2...Kh8
            • 3.Qg8+
              • 3...Rxg8
                • 4.Sf7#
      • 1...Be5+
        • 2.Sxe5+
          • 2...Kh8
            • 3.Sg6+
              • 3...hxg6
                • 4.Rxh4#
      • 1...Kf8
        • 2.Sd6
          • threat
            • 3.Qf7#
          • 2...Be5+
            • 3.dxe5
              • threat
                • 4.Qf7#
              • 3...Bd5
                • 4.Qxb8#
      • 1...h5
        • 2.Qxg3+
          • 2...Kf8
            • 3.Qxb8+
              • 3...Bc8
                • 4.Qxc8#
          • 2...hxg3
            • 3.Rxh5
              • threat
                • 4.Rh8#
              • 3...Kf8
                • 4.Rh8#
      • 1...h6
        • 2.Qxg3+
          • 2...Kf8
            • 3.Qxb8+
              • 3...Bc8
                • 4.Qxc8#
          • 2...hxg3
            • 3.Rxh6
              • threat
                • 4.Rh8#
              • 3...Kf8
                • 4.Rh8#
      • 1...Ra8
        • 2.Sh6+
          • 2...Kh8
            • 3.Qg8+
              • 3...Rxg8
                • 4.Sf7#
      • 1...Rc8
        • 2.Sh6+
          • 2...Kh8
            • 3.Qg8+
              • 3...Rxg8
                • 4.Sf7#
      • 1...Rd8
        • 2.Sh6+
          • 2...Kh8
            • 3.Qg8+
              • 3...Rxg8
                • 4.Sf7#
      • 1...Re8
        • 2.Sh6+
          • 2...Kh8
            • 3.Qg8+
              • 3...Rxg8
                • 4.Sf7#
        • 2.Rxg3+
          • 2...Kf8
            • 3.Qa3+
              • 3...Re7
                • 4.Qxe7#
            • 3.Qb4+
              • 3...Re7
                • 4.Qxe7#
          • 2...hxg3
            • 3.Qxg3+
              • 3...Kf8
                • 4.Qg7#
      • 1...Be1
        • 2.Sg5+
          • 2...Kh8
            • 3.Qf7
              • threat
                • 4.Qg7#
                • 4.Qxh7#
              • 3...Rf8
                • 4.Qxf8#
        • 2.Sh6+
          • 2...Kh8
            • 3.Qg8+
              • 3...Rxg8
                • 4.Sf7#
            • 3.Qf7
              • threat
                • 4.Qg7#
              • 3...Rf8
                • 4.Qxf8#
              • 3...Rg8
                • 4.Qxg8#

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).