Problem Display
PID: 180417 (5nB1/8/K3P3/1P1P1Q2/2kP1p1R/R1pN1NP1/8/8 w - - 0 1)

Lider, Valentin Viktorovich

3rd Prize, 64 Shakhmatnoe obozrenie, 1973

5nB1/8/K3P3/1P1P1Q2/2kP1p1R/R1pN1NP1/8/8

#2

12 + 4


6490 yacpdb 2018
  • SOUND
  • Tries
    • 1.Sb2+?
      • 1...Kb4
        • 2.Qxf8#
      • 1...cxb2!
    • 1.Sc5?
      • threat
        • 2.Ra4#
      • 1...Kb4
        • 2.Ra4#
      • 1...c2!
    • 1.Sde5+?
      • 1...Kb4
        • 2.Qxf8#
      • 1...Kxd5!
    • 1.Sd2+?
      • 1...Kxd4
        • 2.Qe4#
      • 1...cxd2!
    • 1.e7?
      • 1...fxg3
        • 2.Sfe5#
      • 1...c2
        • 2.Qc8#
      • 1...Sg6
        • 2.d6#
      • 1...Sd7
        • 2.d6#
      • 1...Sh7
        • 2.d6#
      • 1...Se6!
  • Keys
    • 1.d6!
      • 1...Sxe6
        • 2.Bxe6#
      • 1...fxg3
        • 2.d5#
      • 1...c2
        • 2.Qc5#
      • 1...Sg6
        • 2.e7#
      • 1...Sd7
        • 2.exd7#
        • 2.e7#
      • 1...Sh7
        • 2.e7#


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).