MESON Chess Problem Database

Problem Display
PID: 11389 (2K2B2/1pR3R1/bP1pp3/Q1n2NPk/1rq2b2/7P/2B3N1/8 w - - 0 1)

Fischl, Josef

Dortmunder Zeitung, 1938

2K2B2/1pR3R1/bP1pp3/Q1n2NPk/1rq2b2/7P/2B3N1/8

#2

11 + 9

56 The Problemist 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sg3#
    • 1...Bd2
      • 2.Sg3#
    • 1...Be3
      • 2.Sg3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Sd3
      • 2.Bd1#
    • 1...Se4
      • 2.Sxf4#
  • Tries
    • 1.Rh7+?
      • 1...Kg6
        • 2.Rcg7#
      • 1...Kxg5!
  • Keys
    • 1.Rg8!
      • threat
        • 2.Rh7#
      • 1...Bxg5
        • 2.Sg3#
      • 1...Sb3
        • 2.Sg7#
      • 1...Sd3
        • 2.Bd1#
      • 1...Sa4
        • 2.Sg7#
      • 1...Se4
        • 2.Sxf4#
      • 1...Sd7
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(c);N_GUARD::S(E)
    • B(c);N_GUARD::S(E),XB(c)
    • S(d);P_PINR(H),S_CUTQ(b)::B(A)
    • S(d);P_PINR(H),S_CUTQ(b)::S(B),XB(c)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(e);S_FLIGHT::R1(H)
      • Refutation
        • K(e);P-FLIGHT,XP(F)
  • Actual
    • R(I);
    • Threat
      • R(H)
    • Vars
      • B(c);N_GUARD,XP(F)::S(E)
      • S(d);P_PINR(H)::S(E)
      • S(d);P_PINR(H),S_CUTQ(b)::B(A)
      • S(d);P_PINR(H),S_CUTQ(b)::S(B),XB(c)
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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).