MESON Chess Problem Database

Problem Display
PID: 69978 (1Kn2Nb1/2Qpq2B/1pRppp2/1R1Pk3/4P3/b7/1p2N3/8 w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

Clark, Cecil Henry Douglas

Chess, 1950

1Kn2Nb1/2Qpq2B/1pRppp2/1R1Pk3/4P3/b7/1p2N3/8

#2

9 + 11

SOLUTION

  • SOUND
  • Keys
    • 1.Rxd6!
      • threat
        • 2.Rxe6#
      • 1...Qxd6
        • 2.Sxd7#
      • 1...Bxd6
        • 2.dxe6#
      • 1...Sxd6
        • 2.Qc3#
      • 1...exd5
        • 2.Rdxd5#
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(E);XP(e)
    • Threat
      • QAB(F)+R(E),DCHECK,XP(f)
    • Vars
      • Q(i);N_GUARD,P_PINQ(F),P_SPINQ(i),XR(E)::S(I),XP(h)
      • B(b);N_GUARD,P_PINQ(F),P_SPINB(b),XR(E)::R(C)+P(D),XP(f)
      • S(j);P_SPINS(j),SBLOCK,XR(E)::QAB(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).