MESON Chess Problem Database

Problem Display
PID: 162974 (7Q/2pp1r2/R1p5/4q3/8/p3BP2/pk5b/N1R4K w - - 0 1)

Placanico, Pietro L

Best Problems, 2012

7Q/2pp1r2/R1p5/4q3/8/p3BP2/pk5b/N1R4K

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Qxc3#
    • 1...Qd4
      • 2.Qxd4#
    • 1...Qf6
      • 2.Qxh2#
      • 2.Qb8#
    • 1...Qg7
      • 2.Qb8#
    • 1...Rf4
      • 2.Qxh2#
    • 1...Bg1
      • 2.Qxe5#
    • 1...c5
      • 2.Qb8#
    • 1...d5
      • 2.Qb8#
  • Tries
    • 1.Raxc6?
      • threat
        • 2.R6c2#
      • 1...Qc3
        • 2.Qxc3#
      • 1...dxc6!
  • Keys
    • 1.Ra4!
      • threat
        • 2.Rb4#
      • 1...Rf4
        • 2.Qxh2#
      • 1...c5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • Q(e);OGATE::QAB1(G),XQ(e)
    • Q(e);OGATE::QAB(G),XQ(e)
    • Q(e);N_GUARD::QAR(G)
    • R(i);::QAR(G),XB(c)
    • B(c);N_GUARD::QAB(G),XQ(e)
    • P(f);::QAR(G)
    • P(h);::QAR(G)
  • Tries
    • Try
      • R(F);XP(f)
      • Threat
        • R1(F)
      • Vars
        • Q(e);OGATE::QAB1(G),XQ(e)
      • Refutation
        • P(h);XR(F)
  • Actual
    • R(F);
    • Threat
      • R(F)
    • Vars
      • R(i);::QAR(G),XB(c)
      • P(f);::QAR(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).