MESON Chess Problem Database

Problem Display
PID: 232907 (4r3/4p3/n7/4N2Q/2P1kp2/2K5/5Pn1/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Kudesnik, 2010

4r3/4p3/n7/4N2Q/2P1kp2/2K5/5Pn1/8

#2

5 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.f3#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Sd2#
        • 2.Qd5#
      • 1...Se3
        • 2.Sd2#
      • 1...Sb4
        • 2.Sd2#
      • 1...Sc7
        • 2.Sd2#
      • 1...e5
        • 2.Sd2#
      • 1...e6
        • 2.Sd2#
      • 1...Rd8!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qd5#
      • 1...f3
        • 2.Qe5#
      • 1...Se3
        • 2.f3#
      • 1...Sb4
        • 2.Sc5#
      • 1...Sc7
        • 2.Sc5#
      • 1...e5
        • 2.Sf6#
      • 1...e6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::P(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::S(D)
        • S(d);::S(D)
        • P(e);::S(D)
      • Refutation
        • R(f);
  • Actual
    • S(D);
    • Threat
      • QAB1(E)
    • Vars
      • P(c);SBLOCK::QAR1(E)
      • S(a);SBLOCK::P(A)
      • S(d);N_GUARD::S(D)
      • P(e);N_GUARD::S(D)
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).