MESON Chess Problem Database

Problem Display
PID: 49610 (8/4K3/2p5/PNk1p1n1/Pr1RB2B/1p6/1P1N4/8 w - - 0 1)

Foster, A

Stephens, Walter

The Problemist, 1930

8/4K3/2p5/PNk1p1n1/Pr1RB2B/1p6/1P1N4/8

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rxc4#
    • 1...Rxb5
      • 2.Rc4#
    • 1...Sxe4
      • 2.Sxe4#
  • Keys
    • 1.Sc7!
      • 1...Kxd4
        • 2.Bf2#
      • 1...Rxa4
        • 2.Sxb3#
      • 1...Rxd4
        • 2.Sa6#
      • 1...Sxe4
        • 2.Se6#
      • 1...exd4
        • 2.Sa6#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Rb5
        • 2.Rc4#
      • 1...Rb6
        • 2.Rc4#
      • 1...Rb7
        • 2.Rc4#
      • 1...Rb8
        • 2.Rc4#
      • 1...Sf3
        • 2.Se6#
      • 1...Sh3
        • 2.Se6#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sf7
        • 2.Se6#
      • 1...Sh7
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::R1(D),XR(b)
    • R(b);N_GUARD,XS(H)::R1(D)
    • S(e);XB(E)::S(B),XS(e)
  • Actual
    • S(H);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(D)::B(F)
      • R(b);N_GUARD,XP(C)::S(B),XP(a)
      • R(b);SBLOCK,XR(D)::S(H)
      • S(e);N_GUARD,XB(E)::S(H)
      • P(d);SBLOCK,XR(D)::S(H)
      • R(b);N_GUARD::R1(D),XR(b)
      • R(b);N_GUARD::R1(D)
      • R(b);N_GUARD,P_PINS(H)::R1(D)
      • S(e);N_GUARD::S(H)
      • S(e);N_GUARD::S(H),XS(e)
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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).