MESON Chess Problem Database

Problem Display
PID: 251479 (8/8/1Pp2P2/p2P4/PpB2p2/kP3P1Q/1p1P4/bK6 w - - 0 1)

Lyapunov, Igor Dmitrevich

Sovetskaya Rossiya, 1963

8/8/1Pp2P2/p2P4/PpB2p2/kP3P1Q/1p1P4/bK6

#4

10 + 7

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Bb5!
      • threat
        • 2.dxc6
          • 2...Kxb3
            • 3.Qe6+
              • 3...Ka3
                • 4.Qa2#
      • 1...Kxb3
        • 2.dxc6
          • 2...Ka3
            • 3.Qf5
              • 3...Kb3
                • 4.Qd3#
              • 3...b3
                • 4.Qc5#
            • 3.Qe6
              • 3...b3
                • 4.Qd6#
                • 4.Qe7#
            • 3.Qd7
              • 3...Kb3
                • 4.Qd3#
              • 3...b3
                • 4.Qd6#
                • 4.Qe7#
            • 3.Qh7
              • 3...Kb3
                • 4.Qd3#
              • 3...b3
                • 4.Qe7#
      • 1...cxb5
        • 2.d6
          • 2...Kxb3
            • 3.Qe6+
              • 3...Ka3
                • 4.Qa2#
              • 3...Kxa4
                • 4.Qa2#
          • 2...bxa4
            • 3.Qf5
              • 3...Kxb3
                • 4.Qd3#
              • 3...axb3
                • 4.Qxa5#
      • 1...cxd5
        • 2.Qd7
          • 2...Kxb3
            • 3.Qxd5+
              • 3...Ka3
                • 4.Qa2#
          • 2...d4
            • 3.Qxd4
              • 3...Kxb3
                • 4.Qd3#
      • 1...c5
        • 2.Qh7
          • 2...c4
            • 3.bxc4
              • 3...Kb3
                • 4.Qd3#
              • 3...b3
                • 4.Qe7#

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).