MESON Chess Problem Database

Problem Display
PID: 169418 (1B1K4/5B2/R2N1P2/1Pp1kNp1/5r2/3pp3/7Q/8 w - - 0 1)

Hawes, Frederick Thomas

The Leader, 1937

1B1K4/5B2/R2N1P2/1Pp1kNp1/5r2/3pp3/7Q/8

#2

9 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qh8#
  • Keys
    • 1.Sg3!
      • threat
        • 2.Sdf5#
      • 1...Kd4
        • 2.Qb2#
      • 1...Kxf6
        • 2.Qh8#
      • 1...Rxf6
        • 2.Sgf5#
      • 1...Rf5
        • 2.Sdxf5#
      • 1...Rd4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(e);N_SPINR(c),OGATEB,S_FLIGHT,XP(F)::QAB(A)
  • Actual
    • S(C);N_PINR(c)
    • Threat
      • B(H)+S(E)
    • Vars
      • K(e);S_FLIGHT::QAB(A)
      • K(e);OGATEB,S_FLIGHT,XP(F)::QAB(A)
      • R(c);SBLOCK,XP(F)::QAB(A)+S(C)
      • R(c);::B(H)+S(E),XR(c)
      • R(c);P_PINS(E),SBLOCK::QAB(A)+S(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).