Problem Display
PID: 45271 (8/7R/4p2p/2p1k1pQ/2p1B3/2p2P2/2K2PN1/4B3 w - - 0 1)

Nieuwhart, Hans

Probleemblad, 2002

8/7R/4p2p/2p1k1pQ/2p1B3/2p2P2/2K2PN1/4B3

#2

8 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bxc3#
  • Tries
    • 1.Rxh6?
      • 1...Kd4
        • 2.Bxc3#
      • 1...Kd6!
    • 1.Rf7?
      • 1...Kd4
        • 2.Bxc3#
      • 1...Kd6!
    • 1.Qh2+?
      • 1...Kd4
        • 2.Bxc3#
        • 2.Rd7#
        • 2.Qd6#
      • 1...Kf6!
  • Keys
    • 1.Se3!
      • 1...Kd4
        • 2.Bxc3#
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Sxc4#
      • 1...Kf6
        • 2.Sg4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINP(e),S_FLIGHT::B(A),XP(a)
  • Tries
    • Try
      • R(H);XP(g)
      • Vars
        • K(d);N_SPINP(e),S_FLIGHT::B(A),XP(a)
      • Refutation
        • K(d);N_SPINP(e),P_SPINP(f),S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(d);N_SPINP(e),S_FLIGHT::B(A),XP(a)
      • Refutation
        • K(d);N_SPINP(e),S_FLIGHT
    • Try
      • Q(G);CHECK,N_PINP(e)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(d);N_SPINP(e),S_FLIGHT::B(A),XP(a)
      • K(d);N_SPINP(e),S_FLIGHT::QAB(G)
      • K(d);N_SPINP(e),S_FLIGHT::S(D),XP(b)
      • K(d);N_SPINP(e),S_FLIGHT::S(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).