Problem Display
PID: 93520 (8/N2p2n1/1R1pn3/3kpP1B/1P1pp3/1P2P3/8/5R1K w - - 0 1)

Djurasevic, Branislav

Sahovska Kompozicia, 1985

8/N2p2n1/1R1pn3/3kpP1B/1P1pp3/1P2P3/8/5R1K

#2

9 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sf4
      • 2.Rb5#
    • 1...Sg5
      • 2.Rb5#
    • 1...Sd8
      • 2.Rb5#
    • 1...Sf8
      • 2.Rb5#
  • Tries
    • 1.Sc8?
      • threat
        • 2.Se7#
        • 2.Rxd6#
      • 1...dxe3
        • 2.Rxd6#
      • 1...Se8
        • 2.Se7#
      • 1...Sxf5!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Rb5#
      • 1...dxe3
        • 2.Rd1#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(f);N_GUARD::R(H)
  • Tries
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);XP(D)::R1(H),XP(e)
        • S(h);::S(I)
      • Refutation
        • S(h);XP(F)
  • Actual
    • B(G);P_PINS(f)
    • Threat
      • R(H)
    • Vars
      • P(a);OGATEB,XP(D)::R(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).