MESON Chess Problem Database

Problem Display
PID: 158263 (8/1pp2K2/RbP1N1N1/nBPkPp2/3p4/1P3P1p/7q/8 w - - 0 1)

Placanico, Pietro L

Best Problems, 2009

8/1pp2K2/RbP1N1N1/nBPkPp2/3p4/1P3P1p/7q/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Se7#
    • 1...Bxc5
      • 2.Sxc7#
    • 1...Sc4
      • 2.bxc4#
    • 1...Sxc6
      • 2.Bc4#
  • Tries
    • 1.Kf6?
      • threat
        • 2.Se7#
      • 1...Bxc5
        • 2.Sxc7#
      • 1...Sxc6
        • 2.Bc4#
      • 1...Qxe5+!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Rd8#
      • 1...Qxe5
        • 2.Se7#
      • 1...Bxc5
        • 2.Sxc7#
      • 1...Sxc6
        • 2.Bc4#
      • 1...Sc4
        • 2.bxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(a);SBLOCK,XP(E)::S(I)
    • B(g);N_GUARD,SBLOCK,XP(D)::S(H),XP(i)
    • S(d);OGATE::P(A),XS(d)
    • S(d);N_GUARD,SBLOCK,XP(G)::B(C)
  • Tries
    • Try
      • K(J);P-FLIGHT
      • Threat
        • S(I)
      • Vars
        • B(g);N_GUARD,SBLOCK,XP(D)::S(H),XP(i)
        • S(d);N_GUARD,SBLOCK,XP(G)::B(C)
      • Refutation
        • Q(a);CHECK,XP(E)
  • Actual
    • R(F);
    • Threat
      • R(F)
    • Vars
      • Q(a);SBLOCK,XP(E)::S(I)
      • B(g);N_GUARD,SBLOCK,XP(D)::S(H),XP(i)
      • S(d);N_GUARD,SBLOCK,XP(G)::B(C)
      • S(d);OGATE::P(A),XS(d)
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).