MESON Chess Problem Database

Problem Display
PID: 257723 (1b6/p1Rp4/P1nkP3/P1R2P2/P2n1P1B/4N3/8/7K w - - 0 1)

Creyghton, JP

Wiener Schachzeitung, 1904

1b6/p1Rp4/P1nkP3/P1R2P2/P2n1P1B/4N3/8/7K

#2

11 + 6

15601 Albrecht-Leiss-Degener Collection 2022
3713 Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc7
      • 2.Rd5#
    • 1...Sb4
      • 2.Sc4#
    • 1...Se5
      • 2.fxe5#
    • 1...Se7
      • 2.Sc4#
    • 1...Sd8
      • 2.Sc4#
  • Keys
    • 1.exd7!
      • 1...Kxc5
        • 2.Be7#
      • 1...Kxc7
        • 2.d8Q#
      • 1...Bxc7
        • 2.Rd5#
      • 1...Sxf5
        • 2.R5xc6#
      • 1...Sxa5
        • 2.d8Q#
        • 2.d8R#
      • 1...Sc2
        • 2.R5xc6#
      • 1...Se2
        • 2.R5xc6#
      • 1...Sb3
        • 2.R5xc6#
      • 1...Sf3
        • 2.R5xc6#
      • 1...Sb5
        • 2.R5xc6#
      • 1...Se6
        • 2.R5xc6#
      • 1...Sb4
        • 2.Sc4#
        • 2.d8Q#
        • 2.d8R#
      • 1...Se5
        • 2.fxe5#
      • 1...Se7
        • 2.Sc4#
        • 2.d8Q#
        • 2.d8R#
      • 1...Sd8
        • 2.Sc4#

Anticipated by 244659(1904)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • B(f);SBLOCK,XR(K)::R1(G)
    • S(b);::S(B)
    • S(b);OGATE::P(D),XS(b)
  • Actual
    • P(J);XP(e)
    • Vars
      • K(c);N_GUARD,P_SPINS(b),S_FLIGHT,XR(G)::B(E)
      • K(c);N_GUARD,P_SPINS(b),S_FLIGHT,XR(K)::P=Q
      • B(f);SBLOCK,XR(K)::R1(G)
      • S(a);N_GUARD,XP(H)::R1(G),XS(b)
      • S(b);N_GUARD,XP(F)::P=Q
      • S(a);N_GUARD::R1(G),XS(b)
      • S(b);OGATE::P(D),XS(b)
      • S(b);::S(B)
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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).