MESON Chess Problem Database

Problem Display
PID: 140845 (6r1/5Q2/3pN1p1/2bpk3/2p1p1K1/3pp3/8/8 w - - 0 1)

Stojanovic, Borislav (aka Bota)

Liga Problemista, 1989/2

6r1/5Q2/3pN1p1/2bpk3/2p1p1K1/3pp3/8/8

#2

3 + 10

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Sd8?
      • threat
        • 2.Sc6#
      • 1...Kd4
        • 2.Qf6#
      • 1...Rxd8!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc6#
      • 1...Kxd4
        • 2.Qf6#
      • 1...Bxd4
        • 2.Qe7#
      • 1...Rc8
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(i);N_GUARD::QAR1(C)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • K(g);S_FLIGHT::QAB(C)
      • Refutation
        • R(j);XS(B)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(g);S_FLIGHT,XS(B)::QAB(C)
      • B(e);SBLOCK,XS(B)::QAR2(C)
      • R(j);N_GUARD::QAB(C)
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).