MESON Chess Problem Database

Problem Display
PID: 46539 (2B2K2/B6p/3k4/2RPpP2/1p5P/R1nb4/4p3/4Q3 w - - 0 1)

Chornous, Volodimir Mikhailovich

Uralski Problemist, 2002

2B2K2/B6p/3k4/2RPpP2/1p5P/R1nb4/4p3/4Q3

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Ra6#
    • 1...Bc2
      • 2.Ra6#
    • 1...Be4
      • 2.Ra6#
    • 1...Bxf5
      • 2.Ra6#
    • 1...Ba6
      • 2.Rxa6#
    • 1...Sb5
      • 2.Ra6#
    • 1...e4
      • 2.Qg3#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Bb8#
      • 1...Sb5
        • 2.Ra6#
      • 1...Sxd5!
    • 1.Qg1?
      • threat
        • 2.Bb8#
      • 1...Sb5
        • 2.Ra6#
      • 1...Sxd5!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qh6#
      • 1...Bxf5
        • 2.Ra6#
      • 1...Sxd5
        • 2.Rc6#
      • 1...e4
        • 2.Qf4#
      • 1...Se4
        • 2.Bb8#
      • 1...h6
        • 2.Qxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(c);N_GUARD::R(B)
    • B(c);N_GUARD,XP(F)::R(B)
    • B(c);N_GUARD::R(B),XB(c)
    • S(b);S_CUTB(c)::R(B)
    • P(e);OGATEB::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • B(G)
      • Vars
        • S(b);S_CUTB(c)::R(B)
      • Refutation
        • S(b);XP(E)
    • Try
      • Q(A);
      • Threat
        • B(G)
      • Vars
        • S(b);S_CUTB(c)::R(B)
      • Refutation
        • S(b);XP(E)
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • B(c);N_GUARD,XP(F)::R(B)
      • S(b);SBLOCK,XP(E)::R1(D)
      • P(e);OGATEB::QAB(A)
      • S(b);::B(G)
      • P(g);::QAR(A),XP(g)
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).