MESON Chess Problem Database

Problem Display
PID: 140281 (2B4q/3r4/2p4n/4p2Q/2PpkN2/R1n4N/4P3/K5Bb w - - 0 1)

Kirichenko, Anatoly Yakovlevich

Markovsky, Grigory F

1st Prize, Philipchenko JT, 2001

2B4q/3r4/2p4n/4p2Q/2PpkN2/R1n4N/4P3/K5Bb

#2

9 + 9

145 StrateGems 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.exf3#
    • 1...Sg4
      • 2.Qg6#
    • 1...Sf7
      • 2.Qg6#
    • 1...Sg8
      • 2.Qg6#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sc5#
      • 1...Rd5
        • 2.Seg5#
      • 1...Sa4
        • 2.Sf2#
      • 1...c5
        • 2.Sxc5#
      • 1...Qf8!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sc5#
      • 1...Qf8
        • 2.Qxe5#
      • 1...Rd5
        • 2.Sg5#
      • 1...Sa4
        • 2.Sdf2#
      • 1...c5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(a);OGATE::P(C),XB(a)
    • S(g);N_GUARD::QAB(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • R(h);::S(G)
        • S(b);::S(E)
        • P(f);::S(G),XP(f)
      • Refutation
        • Q(i);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • Q(i);N_GUARD::QAR1(H),XP(e)
      • R(h);::S(E)
      • S(b);::S(G)
      • P(f);::S(G),XP(f)
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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).