Problem Display
PID: 141104 (n6B/K3N1r1/5k2/7B/4R2P/4p1p1/4PbN1/5R2 w - - 0 1)

Hoek, Willem

Jobez Nieuws, 1950

(First published on Fri Mar 17 1950)

n6B/K3N1r1/5k2/7B/4R2P/4p1p1/4PbN1/5R2

#2

9 + 6


102 Probleemblad 1976

SOLUTION


  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sd5#
        • 2.Re6#
      • 1...Sb6
        • 2.Re6#
      • 1...Sc7!
  • Keys
    • 1.Sxe3!
      • 1...Sb6
        • 2.Sg4#
      • 1...Sc7
        • 2.Sg8#
      • 1...g2
        • 2.Rxf2#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);N_PINB(a)
      • Threat
        • DUALS(2)
      • Vars
        • S(f);::R1(D)
      • Refutation
        • S(f);N_PINS(H)
  • Actual
    • S(C);N_SPINS(H),P_SPINS(C),XP(b)
    • Vars
      • S(f);N_PINS(C),P_PINS(H)::S(C)
      • S(f);::S(H)
      • P(c);N_GUARD::R(A),XB(a)


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).