MESON Chess Problem Database

Problem Display
PID: 194855 (3b4/2q5/4N3/p1pPB3/2P1k1P1/K1p2N2/4PP2/8 w - - 0 1)

Coello Alonso, Jose Antonio

BCPS Website, 2019

3b4/2q5/4N3/p1pPB3/2P1k1P1/K1p2N2/4PP2/8

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qb8
      • 2.Sxc5#
    • 1...Qb7
      • 2.Sxc5#
    • 1...Qd7
      • 2.Sxc5#
    • 1...Qf7
      • 2.Sxc5#
    • 1...Qg7
      • 2.Sxc5#
    • 1...Qh7
      • 2.Sxc5#
    • 1...Bg5
      • 2.Sexg5#
  • Keys
    • 1.Bxc3!
      • threat
        • 2.Sd2#
      • 1...Qf4
        • 2.Sxc5#
      • 1...Bg5
        • 2.Sfxg5#

This is a version of 194854

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(e);N_GUARD::S(I),XP(d)
    • B(f);N_GUARD::S(I),XB(f)
  • Actual
    • B(H);XP(a)
    • Threat
      • S(D)
    • Vars
      • Q(e);N_GUARD,SBLOCK::S(I),XP(d)
      • B(f);N_GUARD::S(D),XB(f)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).