Problem Display
PID: 256116 (4K3/2p1b1p1/4k3/1p1pPp1p/3P1P2/1r2Q2r/4B3/4n3 w - - 0 1)

Kolupanov, Gennady

64 Shakhmatnoe obozrenie, 1972

4K3/2p1b1p1/4k3/1p1pPp1p/3P1P2/1r2Q2r/4B3/4n3

#4

6 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qc6+
          • 2...Bd6
            • 3.Qd7#
        • 2.Qxc7
          • threat
            • 3.Qd7#
            • 3.Qxe7#
            • 3.Qc8#
      • 1...Rbxc3
        • 2.Bxb5
          • threat
            • 3.Bd7#
          • 2...Rc6
            • 3.Bxc6
              • threat
                • 4.Bd7#
          • 2...c6
            • 3.Ba6
              • threat
                • 4.Bc8#
      • 1...Rhxc3
        • 2.Bxh5
          • threat
            • 3.Bf7#
          • 2...g6
            • 3.Bxg6
              • threat
                • 4.Bf7#
      • 1...c5
        • 2.Qa5
          • threat
            • 3.Qb6+
              • 3...Bd6
                • 4.Qxd6#
            • 3.Qa6+
              • 3...Bd6
                • 4.Qc8#
                • 4.Qxd6#
            • 3.Qc7
              • threat
                • 4.Qd7#
                • 4.Qxe7#
                • 4.Qc8#
            • 3.Qa7
              • threat
                • 4.Qd7#
                • 4.Qxe7#
            • 3.Qa8
              • threat
                • 4.Qc8#
          • 2...Bd6
            • 3.Qb6
              • threat
                • 4.Qxd6#
            • 3.Qd8
              • threat
                • 4.Qxd6#
                • 4.Qd7#
                • 4.Qc8#
              • 3...Bxe5
                • 4.Qe7#
            • 3.Qa6
              • threat
                • 4.Qc8#
                • 4.Qxd6#
          • 2...Bd8
            • 3.Qa6+
              • 3...Bb6
                • 4.Qc8#
                • 4.Qxb6#
            • 3.Qxd8
              • threat
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd6#
                • 4.Qd7#
                • 4.Qc8#
            • 3.Qa8
              • threat
                • 4.Qc6#
                • 4.Qc8#

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).