Problem Display
PID: 143152 (1K6/2N5/2k2p1p/1p3rbP/NP2pr1p/2B2P1B/8/1R1R4 w - - 0 1)

Steingass, F

British Chess Magazine, 1893

1K6/2N5/2k2p1p/1p3rbP/NP2pr1p/2B2P1B/8/1R1R4

#2

10 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Rc5
      • 2.Bd7#
    • 1...Re5
      • 2.Bd7#
  • Keys
    • 1.Be5!
      • threat
        • 2.Rbc1#
        • 2.Rd6#
      • 1...Rxf3
        • 2.Rd6#
      • 1...Rxe5
        • 2.Bd7#
      • 1...exf3
        • 2.Rd6#
      • 1...bxa4
        • 2.Rd6#
      • 1...fxe5
        • 2.Rbc1#
      • 1...Rg4
        • 2.Rd6#
      • 1...e3
        • 2.Rd6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(e);OGATE::B(E)
  • Actual
    • B(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);XP(D)::R1(B)
      • R(e);OGATE,XB(C)::B(E)
      • P(a);XP(D)::R1(B)
      • P(d);XS(F)::R1(B)
      • P(h);XB(C)::R(A)
      • R(b);::R1(B)
      • P(a);::R1(B)


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).