Problem Display
PID: 103158 (8/1B1ppNp1/2b3np/8/2PPk1P1/2K3P1/3P1R2/2B1n3 w - - 0 1)

Marcotte, Gilbert

Montreal Gazette, 1896

8/1B1ppNp1/2b3np/8/2PPk1P1/2K3P1/3P1R2/2B1n3

#2

10 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bd5
      • 2.Bxd5#
    • 1...Sc2
      • 2.d3#
    • 1...Sg2
      • 2.d3#
    • 1...Sf3
      • 2.Re2#
      • 2.d3#
    • 1...Sf4
      • 2.Rxf4#
    • 1...Sh4
      • 2.Rf4#
    • 1...Se5
      • 2.Rf4#
    • 1...Sf8
      • 2.Rf4#
    • 1...Sh8
      • 2.Rf4#
    • 1...h5
      • 2.Sg5#
    • 1...e5
      • 2.Sd6#
    • 1...e6
      • 2.Sd6#
  • Tries
    • 1.Bxc6+?
      • 1...d5
        • 2.Bxd5#
      • 1...dxc6!
  • Keys
    • 1.Se5!
      • threat
        • 2.Re2#
      • 1...Sxe5
        • 2.Rf4#
      • 1...Sc2
        • 2.d3#
      • 1...Sg2
        • 2.d3#
      • 1...Sf4
        • 2.Rxf4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • B(c);OGATE::B(I),XB(c)
    • S(a);N_GUARD::P(B)
    • S(d);N_GUARD::R1(C),XS(d)
    • S(d);N_GUARD::R1(C)
    • P(e);N_GUARD::S(J)
    • P(g);N_GUARD::S(J)
  • Tries
    • Try
      • B(I);CHECK,XB(c)
      • Vars
        • P(f);P_SPINP(f)::B(I),XP(f)
      • Refutation
        • P(f);XB(I)
  • Actual
    • S(J);
    • Threat
      • R(C)
    • Vars
      • S(d);N_GUARD,XS(J)::R1(C)
      • S(a);N_GUARD::P(B)
      • S(d);N_GUARD::R1(C),XS(d)


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).