MESON Chess Problem Database

Problem Display
PID: 2136 (3q4/4p3/3pR2b/Q2P1k2/3p4/P1n2K1N/4P3/8 w - - 0 1)

Brown, Theodore Morris

Source?, 0000

3q4/4p3/3pR2b/Q2P1k2/3p4/P1n2K1N/4P3/8

#2

7 + 7

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd5
      • 2.Qxd5#
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Qd3#
      • 1...dxc3
        • 2.e4#
      • 1...d3
        • 2.Qxd3#
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(a);OGATE,P_SPINS(a),XP(F)::QAR2(E),XS(a)
  • Actual
    • Q(E);XS(a)
    • Threat
      • QAB(E)
    • Vars
      • P(b);N_GUARD,XQ(E)::P(A)
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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).