MESON Chess Problem Database

Problem Display
PID: 245475 (8/4B2K/6R1/4n2k/8/8/6PP/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2000

8/4B2K/6R1/4n2k/8/8/6PP/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.g4#
    • 1...Sf3
      • 2.g4#
    • 1...Sc4
      • 2.g4#
    • 1...Sc6
      • 2.g4#
    • 1...Sd7
      • 2.g4#
    • 1...Sf7
      • 2.g4#
  • Tries
    • 1.g3?
      • threat
        • 2.Rg5#
      • 1...Sf3
        • 2.g4#
      • 1...Sf7
        • 2.g4#
      • 1...Sxg6!
  • Keys
    • 1.h3!
      • threat
        • 2.Rh6#
      • 1...Sxg6
        • 2.g4#
      • 1...Sg4
        • 2.hxg4#
      • 1...Sf7
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::P(A)
  • Tries
    • Try
      • P(A);
      • Threat
        • R1(C)
      • Vars
        • S(a);N_GUARD::P(A)
      • Refutation
        • S(a);XR(C)
  • Actual
    • P(B);
    • Threat
      • R1(C)
    • Vars
      • S(a);N_GUARD,XR(C)::P(A)
      • S(a);OGATE::P(B),XS(a)
      • S(a);N_GUARD::P(A)
HTML5 logo

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).