Problem Display
PID: 204203 (3K4/1p6/b1pN1p2/Q2n1R2/1p1k1p2/3p4/3B4/8 w - - 0 1)

Levman, Semyon Semyonovich

64 Shakhmatnoe obozrenie, 1924

3K4/1p6/b1pN1p2/Q2n1R2/1p1k1p2/3p4/3B4/8

#3

5 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sc3
      • 2.Qc5#
    • 1...Se3
      • 2.Rxf4#
      • 2.Qa1#
      • 2.Qc5#
    • 1...Sb6
      • 2.Rxf4#
      • 2.Qa1#
      • 2.Qc5#
    • 1...Sc7
      • 2.Rxf4#
      • 2.Qa1#
      • 2.Qc5#
    • 1...Se7
      • 2.Rxf4#
      • 2.Qa1#
      • 2.Qc5#
    • 1...b3
      • 2.Rxd5+
        • 2...cxd5
          • 3.Qc3#
    • 1...c5
      • 2.Qa1+
        • 2...Sc3
          • 3.Qg1#
  • Tries
    • 1.Qxb4+?
      • 1...Bc4
        • 2.Qxc4#
      • 1...Sxb4!
    • 1.Qa1+?
      • 1...Sc3
        • 2.Qg1#
      • 1...Kc5!
  • Keys
    • 1.Kd7!
      • threat
        • 2.Qa1+
          • 2...Kc5
            • 3.Qg1#
          • 2...Sc3
            • 3.Qg1#
      • 1...Sb6+
        • 2.Qxb6+
          • 2...c5
            • 3.Qxc5#
      • 1...b3
        • 2.Rxd5+
          • 2...cxd5
            • 3.Qc3#
      • 1...f3
        • 2.Qc5+
          • 2...Kxc5
            • 3.Be3#
      • 1...c5
        • 2.Qa1+
          • 2...Sc3
            • 3.Qg1#

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).