Problem Display
PID: 141933 (8/4p1P1/1K2pPp1/1PPkBq1R/4N2Q/3p4/8/2R5 w - - 0 1)

Woods, AHE

British Chess Magazine 06. Ty., 1890

8/4p1P1/1K2pPp1/1PPkBq1R/4N2Q/3p4/8/2R5

#2

10 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Qh3
      • 2.Sc3#
    • 1...Qf1
      • 2.Sc3#
    • 1...Qf2
      • 2.Sc3#
    • 1...Qf3
      • 2.Sc3#
    • 1...Qxe5
      • 2.Sc3#
    • 1...Qxf6
      • 2.Sc3#
  • Keys
    • 1.Sc3+!
      • 1...Kxe5
        • 2.Re1#

FEATURES


  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(c);::S(B)
    • Q(c);P_PINP(E)::S(B)
    • Q(c);P_SPINQ(c),XB(F)::S(B)
    • Q(c);XP(I)::S(B)
  • Actual
    • S(B);CHECK
    • Vars
      • K(b);P-FLIGHT,P_SPINQ(c),XB(F)::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).