Problem Display
PID: 20345 (2nrrnqb/1B6/6b1/6p1/P1kppp1R/BR6/K1PPN1N1/8 w - - 0 1)

Vladimirov, Yakov Georgevich

1st Prize, Probleemblad, 1966

2nrrnqb/1B6/6b1/6p1/P1kppp1R/BR6/K1PPN1N1/8

#4

10 + 12


5862 An ABC of Chess Problems 1970
3772 FIDE Album (1965-1967) 1976
102 Probleemblad 1979
5395 Schach fur Nussknacker 1994
5007 Zadachi i Etyudi 1995
145 StrateGems 2000

SOLUTION


  • SOUND
  • Keys
    • 1.Kb1!
      • threat
        • 2.Rb4+
          • 2...Kc5
            • 3.Rb5+
              • 3...Kc4
                • 4.Rc5#
      • 1...Qd5
        • 2.Ba6+
          • 2...Qb5
            • 3.Rxb5
              • threat
                • 4.Ra5#
                • 4.Rc5#
                • 4.Re5#
                • 4.Rf5#
                • 4.Rxg5#
      • 1...Rd5
        • 2.Ba6+
          • 2...Rb5
            • 3.Rxb5
              • threat
                • 4.Ra5#
                • 4.Rc5#
                • 4.Re5#
                • 4.Rf5#
                • 4.Rxg5#
      • 1...Re5
        • 2.Se3+
          • 2...fxe3
            • 3.d3+
              • 3...exd3
                • 4.Rc3#
      • 1...Se6
        • 2.d3+
          • 2...exd3
            • 3.Rc3+
              • 3...dxc3
                • 4.Se3#
      • 1...Sd7
        • 2.Rc3+
          • 2...dxc3
            • 3.Se3+
              • 3...fxe3
                • 4.d3#

FEATURES


NOT CLASSIFIED


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).