MESON Chess Problem Database

Problem Display
PID: 48561 (B3R3/8/7N/B1nrb2p/4k3/1p2P3/1p2P1R1/1K3N2 w - - 0 1)

Fomichev, Evgeny Vasilevich

Schach-Aktiv, 2003

B3R3/8/7N/B1nrb2p/4k3/1p2P3/1p2P1R1/1K3N2

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...h4
      • 2.Rg4#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Sg3#
      • 1...h4
        • 2.Rg4#
      • 1...Se6!
  • Keys
    • 1.Bb6!
      • 1...Se6
        • 2.Sd2#
      • 1...Sd3
        • 2.Sd2#
        • 2.Sg3#
      • 1...Sa4
        • 2.Sd2#
        • 2.Sg3#
      • 1...Sa6
        • 2.Sd2#
        • 2.Sg3#
      • 1...Sb7
        • 2.Sg3#
      • 1...Sd7
        • 2.Sd2#
        • 2.Sg3#
      • 1...h4
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(g);N_GUARD::R(D)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(B)
      • Vars
        • P(g);N_GUARD::R(D)
      • Refutation
        • S(d);N_SPINB(f)
  • Actual
    • B(F);
    • Vars
      • S(d);N_SPINB(f)::S(B)
      • S(d);N_SPINR(e)::S(B)
      • P(g);N_GUARD::R(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).