Problem Display
PID: 250695 (1B2n2Q/5p2/3rpn2/4kb1R/N1R2N1b/6p1/4K1P1/8 w - - 0 1)

Janevski, Zivko

Comm., Thessalonika Olympic Ty., 1984

1B2n2Q/5p2/3rpn2/4kb1R/N1R2N1b/6p1/4K1P1/8

#2

8 + 9


14867 BCPS Library 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Ke3?
      • threat
        • 2.Re4#
        • 2.Rc5#
      • 1...Bg5
        • 2.Rc5#
      • 1...Sc7
        • 2.Re4#
      • 1...Sg7!
    • 1.Sc3?
      • threat
        • 2.Sd3#
        • 2.Re4#
      • 1...Sc7
        • 2.Re4#
      • 1...Sg7
        • 2.Sd3#
      • 1...Bg5!
    • 1.Sb6?
      • threat
        • 2.Sd3#
        • 2.Sd7#
      • 1...Bg5
        • 2.Sd7#
      • 1...Sg7
        • 2.Sd3#
      • 1...Sc7!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Scd3#
        • 2.Sd7#
        • 2.Re4#
      • 1...Bg5
        • 2.Sd7#
      • 1...Sc7
        • 2.Re4#
      • 1...Sg7
        • 2.Scd3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(b);N_SPINB(d),P_PINS(E)::R(D)
        • S(i);N_SPINR(e)::R1(D)
      • Refutation
        • S(i);N_SPINS(g)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(i);N_SPINR(e)::R1(D)
        • S(i);N_SPINS(g)::S(E)
      • Refutation
        • B(b);N_SPINB(d)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);N_SPINB(d)::S(C)
        • S(i);N_SPINS(g)::S(E)
      • Refutation
        • S(i);N_SPINR(e)
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • B(b);N_SPINB(d)::S(C)
      • S(i);N_SPINR(e)::R1(D)
      • S(i);N_SPINS(g)::S(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).