Problem Display
PID: 9687 (b2N2B1/1n6/3p3N/4pR1p/1P2k1pB/2P3P1/4K3/8 w - - 0 1)

Kipping, Cyril Stanley

Chess Amateur (The), 1908

b2N2B1/1n6/3p3N/4pR1p/1P2k1pB/2P3P1/4K3/8

#2

9 + 7


4792 300 Chess Problems 1916
14868 Pirnie Collection 2011

SOLUTION


  • SOUND
  • Tries
    • 1.Sxb7?
      • threat
        • 2.Sxd6#
      • 1...d5
        • 2.Sc5#
        • 2.Sd6#
      • 1...Bxb7!
  • Keys
    • 1.Shf7!
      • 1...Kd5
        • 2.Sg5#
      • 1...Kxf5
        • 2.Bh7#
      • 1...Sxd8
        • 2.Sxd6#
      • 1...Sa5
        • 2.Sxd6#
      • 1...Sc5
        • 2.Sxd6#
      • 1...d5
        • 2.Rxe5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);XS(f)
      • Threat
        • S(H),XP(e)
      • Refutation
        • B(g);XS(H)
  • Actual
    • S(G);
    • Vars
      • K(a);P_SPINP(c),S_FLIGHT::B(I)+S(G)
      • K(a);OGATEB,S_FLIGHT,XR(F)::B(I)
      • S(f);N_GUARD,XS(H)::S(G),XP(e)
      • S(f);N_GUARD::S(G),XP(e)
      • P(e);N_GUARD::R1(F),XP(c)


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).