MESON Chess Problem Database

Problem Display
PID: 269674 (8/8/2pN1Bp1/1p1k2P1/8/4P3/K5P1/7Q w - - 0 1)

Petrasinovic, Petrasin

HM., Uralski Problemist, 2007

8/8/2pN1Bp1/1p1k2P1/8/4P3/K5P1/7Q

#4

7 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.e4+
          • 2...Kc5
            • 3.Qa7+
              • 3...Kb4
                • 4.Qa3#
              • 3...Kxd6
                • 4.Qe7#
      • 1...Kc5
        • 2.Qe7
          • 2...Kb4
            • 3.Qa7
              • 3...c5
                • 4.Qa3#
          • 2...Kb6
            • 3.Sc8+
              • 3...Ka5
                • 4.Qa3#
              • 3...Ka6
                • 4.Qa7#
          • 2...b4
            • 3.Bd4+
              • 3...Kd5
                • 4.Qe5#
      • 1...Kxd6
        • 2.Qe7+
          • 2...Kd5
            • 3.Qe5+
              • 3...Kc4
                • 4.Qd4#
      • 1...b4
        • 2.e4+
          • 2...Kc5
            • 3.Qa7+
              • 3...Kxd6
                • 4.Qe7#
      • 1...c5
        • 2.Qc7
          • threat
            • 3.e4+
              • 3...Ke6
                • 4.Qe7#
          • 2...Ke6
            • 3.e4
              • threat
                • 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).