MESON Chess Problem Database

Problem Display
PID: 119941 (2N3N1/5p2/1q6/1b2kPb1/p3P3/2P3P1/3P1P2/K6Q w - - 0 1)

Daniel, Arthur William

Hampstead and Highgate Express, 1910

2N3N1/5p2/1q6/1b2kPb1/p3P3/2P3P1/3P1P2/K6Q

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qa5
      • 2.d4#
    • 1...Qc7
      • 2.d4#
    • 1...Qa6
      • 2.d4#
    • 1...Qc6
      • 2.d4#
    • 1...Qe6
      • 2.d4#
    • 1...Qf6
      • 2.d4#
    • 1...Qg6
      • 2.d4#
    • 1...Qh6
      • 2.d4#
    • 1...Qb7
      • 2.d4#
    • 1...Qb8
      • 2.d4#
    • 1...Bh4
      • 2.f4#
    • 1...Bf6
      • 2.f4#
    • 1...Be7
      • 2.f4#
    • 1...Bd8
      • 2.f4#
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sg4#
      • 1...Kxf6
        • 2.Qh8#
      • 1...Qxf6
        • 2.d4#
      • 1...Bxf6
        • 2.f4#
      • 1...Be2
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • Q(e);N_GUARD::P(C)
    • B(d);N_GUARD::P(D)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(J)::QAB(B)
      • Q(e);N_GUARD,SBLOCK,XS(J)::P(C)
      • B(d);N_GUARD,SBLOCK,XS(J)::P(D)
      • B(b);N_GUARD::S(J)
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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).