Problem Display
PID: 41277 (3b2BB/2pN1rR1/5P2/N7/1PPkP3/1prpR3/1KnP4/8 w - - 0 1)

Robert, Philippe

Probleemblad, 2002

3b2BB/2pN1rR1/5P2/N7/1PPkP3/1prpR3/1KnP4/8

#2

12 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Sxb3#
    • 1...Rxd7
      • 2.Sc6#
    • 1...Re7
      • 2.Sc6#
    • 1...Rxg7
      • 2.Sc6#
    • 1...Rf8
      • 2.Sc6#
  • Tries
    • 1.Rgg3?
      • threat
        • 2.dxc3#
      • 1...Rxc4
        • 2.Sxb3#
      • 1...Rxd7
        • 2.Sc6#
      • 1...Sxe3!
  • Keys
    • 1.Rg4!
      • threat
        • 2.e5#
      • 1...Rxc4
        • 2.Sxb3#
      • 1...Rxf6
        • 2.Sc6#
      • 1...Sxe3
        • 2.dxc3#
      • 1...Rg7
        • 2.Sc6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD,SBLOCK,XP(E)::S(G),XP(b)
    • R(g);XS(I)::S(G)
    • R(g);::S(G)
    • R(g);XR(J)::S(G)
  • Tries
    • Try
      • R(J);
      • Threat
        • P(B),XR(c)
      • Vars
        • R(c);N_GUARD,SBLOCK,XP(E)::S(G),XP(b)
        • R(g);XS(I)::S(G)
      • Refutation
        • S(a);XR(C)
  • Actual
    • R(J);
    • Threat
      • R(J)+P(F)
    • Vars
      • R(c);N_GUARD,SBLOCK,XP(E)::S(G),XP(b)
      • R(g);P_SPINR(g),XP(H)::S(G)
      • S(a);SBLOCK,XR(C)::P(B),XR(c)
      • R(g);::S(G)


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).