MESON Chess Problem Database

Problem Display
PID: 208757 (2R5/1P6/3pkpNP/3NpR2/4p3/4p2K/7Q/8 w - - 0 1)

Hawkins, Xenophon

Buffalo Globe, 1875

2R5/1P6/3pkpNP/3NpR2/4p3/4p2K/7Q/8

#2

8 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.Sf8#
    • 1...Kf7
      • 2.Rxf6#
  • Tries
    • 1.Rxf6+?
      • 1...Kd7
        • 2.Sb6#
        • 2.Sf8#
      • 1...Kxd5!
  • Keys
    • 1.Qe2!
      • 1...Kxd5
        • 2.Qc4#
      • 1...Kxf5
        • 2.Qg4#
      • 1...Kd7
        • 2.Sf8#
      • 1...Kf7
        • 2.Rxf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::S(E)
    • K(e);P_SPINP(f),S_FLIGHT::R1(D),XP(f)
  • Tries
    • Try
      • R(D);CHECK,XP(f)
      • Refutation
        • K(e);S_FLIGHT,XS(C)
  • Actual
    • Q(A);
    • Vars
      • K(e);OGATEB,P_SPINP(c),S_FLIGHT,XS(C)::QAB1(A)
      • K(e);OGATEB,S_FLIGHT,XR(D)::QAB1(A)
      • K(e);S_FLIGHT::S(E)
      • K(e);P_SPINP(f),S_FLIGHT::R1(D),XP(f)
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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).