Problem Display
PID: 256183 (8/N2p4/8/3K4/k7/2p5/3P4/bQ6 w - - 0 1)

Tikhi, Sergey T

64 Shakhmatnoe obozrenie, 1972

8/N2p4/8/3K4/k7/2p5/3P4/bQ6

#4

4 + 4


6490 yacpdb 2021
  • SOUND
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qb4#
      • 1...dxc6+
        • 2.Kc4
          • threat
            • 3.Qa2#
            • 3.Qxa1#
            • 3.Qb4#
          • 2...Ka5
            • 3.Qb7
              • threat
                • 4.Qa7#
              • 3...Ka4
                • 4.Qa6#
                • 4.Qa8#
                • 4.Qb4#
                • 4.Qa7#
          • 2...Bb2
            • 3.Qh7
              • threat
                • 4.Qa7#
              • 3...Ka3
                • 4.Qa7#
              • 3...Ka5
                • 4.Qa7#
      • 1...Ka3
        • 2.Qxa1+
          • 2...Kb3
            • 3.Sd4+
              • 3...Kb4
                • 4.dxc3#
      • 1...Bb2
        • 2.Qa2+
          • 2...Ba3
            • 3.Qc4+
              • 3...Bb4
                • 4.Qxb4#


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).