Problem Display
PID: 57837 (8/1N2kbQ1/5N1p/R2p2nR/3B2P1/1K3p2/5P2/8 w - - 0 1)

Handloser, Ralf Chris

idee & form, 2004

8/1N2kbQ1/5N1p/R2p2nR/3B2P1/1K3p2/5P2/8

#2

9 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Sh3
      • 2.Re5#
    • 1...Se4
      • 2.Re5#
    • 1...Sh7
      • 2.Re5#
  • Tries
    • 1.Ra6?
      • threat
        • 2.Bc5#
      • 1...Se4
        • 2.Re5#
      • 1...Se6!
    • 1.Rxg5?
      • threat
        • 2.Re5#
      • 1...Ke6
        • 2.Re5#
      • 1...hxg5!
    • 1.Qf8+?
      • 1...Ke6
        • 2.Sc5#
        • 2.Sd8#
        • 2.Ra6#
        • 2.Qd6#
      • 1...Kxf8!
  • Keys
    • 1.Rxd5!
      • 1...Ke6
        • 2.Re5#
      • 1...Se6
        • 2.Rd7#
      • 1...Sh3
        • 2.Re5#
      • 1...Se4
        • 2.Re5#
      • 1...Sh7
        • 2.Re5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::R(F)
  • Tries
    • Try
      • R(E);
      • Threat
        • B(C)
      • Vars
        • S(c);OGATE::R(F)
      • Refutation
        • S(c);
    • Try
      • R(F);XS(c)
      • Threat
        • R(F)
      • Vars
        • K(e);N_SPINB(f),P-FLIGHT::R1(F)
      • Refutation
        • P(d);XR(F)
    • Try
      • Q(I);CHECK,N_PINB(f)
      • Refutation
        • K(e);S_FLIGHT,XQ(I)
  • Actual
    • R(E);P_SPINR(E),XP(b)
    • Vars
      • K(e);N_PINR(E),N_SPINB(f),P-FLIGHT::R1(E)
      • S(c);N_PINR(E),SBLOCK::R1(E)
      • S(c);OGATE::R(F)


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).