MESON Chess Problem Database

Problem Display
PID: 265798 (4N1K1/6R1/7k/4n2p/8/8/6N1/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Sachmatija, 2022

4N1K1/6R1/7k/4n2p/8/8/6N1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • 1...Sg6
        • 2.Rxg6#
      • 1...Sd3
        • 2.Rg6#
      • 1...Sf3
        • 2.Rg6#
      • 1...Sc4
        • 2.Rg6#
      • 1...Sg4
        • 2.Rg6#
      • 1...Sc6
        • 2.Rg6#
      • 1...Sd7
        • 2.Rg6#
      • 1...Sf7
        • 2.Rg6#
      • 1...h4!
    • 1.Sd6?
      • threat
        • 2.Sf5#
      • 1...Sg6
        • 2.Sf7#
      • 1...h4!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Sf5#
      • 1...Sg6
        • 2.Rxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • S(a);N_GUARD::R1(B),XS(a)
        • S(a);N_GUARD::R1(B)
      • Refutation
        • P(b);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • S(a);N_GUARD::S(C)
      • Refutation
        • P(b);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • S(a);N_GUARD::R1(B),XS(a)
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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).