MESON Chess Problem Database

Problem Display
PID: 207589 (r3k3/1p1p3p/pQpB3P/P5P1/K6P/1pp5/1b1p4/8 w q - 0 1)

Johandl, Alois

Die Schwalbe, 1974

r3k3/1p1p3p/pQpB3P/P5P1/K6P/1pp5/1b1p4/8

#4

7 + 11

SOLUTION

  • SOUND
  • Keys
    • 1.g6!
      • threat
        • 2.Qe3+
          • 2...Kd8
            • 3.Qe7+
              • 3...Kc8
                • 4.Qf8#
                • 4.Qe8#
      • 1...hxg6
        • 2.Qe3+
          • 2...Kf7
            • 3.Qe7+
              • 3...Kg8
                • 4.Qg7#
          • 2...Kd8
            • 3.Qe7+
              • 3...Kc8
                • 4.Qf8#
                • 4.Qe8#
      • 1...d1S
        • 2.Qxb3
          • threat
            • 3.Qg8#
          • 2...b5+
            • 3.axb5 ep
              • threat
                • 4.Qg8#
              • 3...Kd8
                • 4.Qg8#
              • 3...0-0-0
                • 4.b7#
          • 2...0-0-0
            • 3.Qb6
              • threat
                • 4.Qc7#
        • 2.Qxb7
          • threat
            • 3.Qxa8#
          • 2...hxg6
            • 3.Qxb3
              • threat
                • 4.Qg8#
              • 3...Kd8
                • 4.Qg8#
              • 3...0-0-0
                • 4.Qb8#
          • 2...Rd8
            • 3.Qxb3
              • threat
                • 4.Qf7#
                • 4.Qg8#
      • 1...c2
        • 2.Qe3+
          • 2...Kd8
            • 3.Qe7+
              • 3...Kc8
                • 4.Qf8#
                • 4.Qe8#
          • 2...Be5
            • 3.Qxe5+
              • 3...Kd8
                • 4.Qh8#
      • 1...c5
        • 2.Qxb7
          • threat
            • 3.Qxa8#
          • 2...hxg6
            • 3.Qf3
              • threat
                • 4.Qf8#
              • 3...Kd8
                • 4.Qxa8#
                • 4.Qf8#
              • 3...0-0-0
                • 4.Qa8#
            • 3.Qd5
              • threat
                • 4.Qg8#
              • 3...Kd8
                • 4.Qxa8#
                • 4.Qg8#
              • 3...0-0-0
                • 4.Qa8#

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).