MESON Chess Problem Database

Problem Display
PID: 136192 (3N4/2b1r3/2Q4p/2P1qkpK/3P1N1n/4P3/2R4B/1B6 w - - 0 1)

Barthe, V

Source?, 0000

3N4/2b1r3/2Q4p/2P1qkpK/3P1N1n/4P3/2R4B/1B6

#2

10 + 7

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc5
      • 2.Rxc5#
    • 1...Sg2
      • 2.Qg6#
    • 1...Sf3
      • 2.Qg6#
    • 1...Sg6
      • 2.Qxg6#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rf2#
      • 1...Ke4
        • 2.Rf2#
      • 1...Qf4
        • 2.Sxe7#
      • 1...Qe4
        • 2.Qf6#
      • 1...Sf3
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • Q(b);OGATE,XP(G)::B(A)+R(B),DCHECK,XQ(b)
    • S(a);N_GUARD::QAB1(I)
    • S(a);N_GUARD::QAB1(I),XS(a)
  • Actual
    • S(F);
    • Threat
      • B(A)+R(B),DCHECK
    • Vars
      • K(c);S_FLIGHT::B(A)+R(B)
      • Q(b);N_GUARD::S(F),XR(g)
      • Q(b);N_GUARD,SBLOCK::QAR1(I)
      • S(a);N_GUARD::QAB1(I)
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).