Problem Display
PID: 236160 (7K/2BpN3/7p/2k2p1r/Q7/2pp4/b1P3R1/7n w - - 0 1)

Schor, Laszlo

1st HM., Magyar Sakkfeladvany Tarasag, 1949

7K/2BpN3/7p/2k2p1r/Q7/2pp4/b1P3R1/7n

#4

6 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rg6!
      • threat
        • 2.Bb6#
      • 1...Be6
        • 2.Rg4
          • threat
            • 3.Qb4#
            • 3.Qa5#
          • 2...fxg4
            • 3.cxd3
              • threat
                • 4.d4#
              • 3...Bc4
                • 4.Qxc4#
              • 3...Rd5
                • 4.Qc4#
          • 2...f4
            • 3.Rxf4
              • threat
                • 4.Qb4#
                • 4.Qa5#
              • 3...Bc4
                • 4.Rxc4#
                • 4.Qxc4#
            • 3.cxd3
              • threat
                • 4.d4#
              • 3...Bc4
                • 4.Qxc4#
              • 3...Rd5
                • 4.Qc4#
      • 1...d6
        • 2.Rxd6
          • threat
            • 3.Rc6#
          • 2...Bc4
            • 3.Qa3+
              • 3...Kb5
                • 4.Rb6#
                • 4.Qa5#
            • 3.Qa7+
              • 3...Kb4
                • 4.Qa5#
              • 3...Kb5
                • 4.Qa5#
            • 3.Sc6
              • threat
                • 4.Qb4#
            • 3.Sc8
              • threat
                • 4.Bb6#
        • 2.Bb8
          • threat
            • 3.Ba7#
          • 2...Kb6
            • 3.Rxd6+
              • 3...Kc5
                • 4.Rc6#
              • 3...Kb7
                • 4.Qa7#
            • 3.Qb4+
              • 3...Ka6
                • 4.Rxd6#

FEATURES


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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).