MESON Chess Problem Database

Problem Display
PID: 188581 (6b1/2R1B1Kp/1p6/3kn1Q1/r2b4/4pN1B/3N4/4R3 w - - 0 1)

Marshall, Burney Means

To Alain White, 1945

6b1/2R1B1Kp/1p6/3kn1Q1/r2b4/4pN1B/3N4/4R3

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Qxe5#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qd6#
      • 1...Sxf3
        • 2.Rd7#
      • 1...Bc5
        • 2.Qxe5#
      • 1...Be6
        • 2.Bxe6#
        • 2.Qxe6#
      • 1...Sd3
        • 2.Rd7#
      • 1...Sc4
        • 2.Qxd4#
      • 1...Sg4
        • 2.Rd7#
      • 1...Sc6
        • 2.Rd7#
      • 1...Sg6
        • 2.Rd7#
      • 1...Sd7
        • 2.Rxd7#
      • 1...Sf7
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::QAR1(E),XS(e)
  • Actual
    • Q(E);N_PINS(e)
    • Threat
      • QAR1(E)
    • Vars
      • S(e);N_GUARD,P_PINQ(E),XS(C)::R(F)
      • B(c);N_GUARD::QAR1(E),XS(e)
      • S(e);N_GUARD,P_PINQ(E)::R(F)
      • S(e);OGATE,P_PINQ(E)::QAR1(E),XB(c)
      • S(e);N_GUARD,P_PINQ(E)::R(F),XS(e)
      • S(e);P_PINQ(E),S_CUTB(h)::B(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).