MESON Chess Problem Database

Problem Display
PID: 154147 (bb3Q1K/8/1p2p3/4k3/1n3Rp1/3n2N1/2pP3P/8 w - - 0 1)

Fisher, PB

The Chess Player's Chronicle (Sampson), 1882

bb3Q1K/8/1p2p3/4k3/1n3Rp1/3n2N1/2pP3P/8

#2

6 + 9

119 Tidskrift for Schack 1909

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qxb8#
    • 1...Sd5
      • 2.Re4#
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qd4#
      • 1...Kxf4
        • 2.Qf6#
      • 1...Sxf4
        • 2.d4#
      • 1...Bd6
        • 2.Qg5#
      • 1...Be4
        • 2.Rxe4#
      • 1...Bd5
        • 2.Qxb8#
      • 1...Sd5
        • 2.Re4#
      • 1...Sc6
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(h);SBLOCK::QAB(E),XB(i)
    • S(c);SBLOCK,S_CUTB(h)::R1(D)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(e);S_FLIGHT,XR(D)::QAR2(E)
      • S(b);OGATE,SBLOCK,XR(D)::P(A)
      • B(i);SBLOCK::QAR2(E)
      • B(h);N_GUARD::R1(D),XB(h)
      • B(h);SBLOCK::QAB(E),XB(i)
      • S(c);S_CUTB(h)::R1(D)
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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).