MESON Chess Problem Database

Problem Display
PID: 23573 (7K/6pN/8/5QBk/8/8/6q1/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

7K/6pN/8/5QBk/8/8/6q1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg5
      • 2.Qxg5#
    • 1...g6
      • 2.Sf6#
  • Keys
    • 1.Kxg7!
      • threat
        • 2.Sf6#
      • 1...Qb7+
        • 2.Be7#
      • 1...Qb2+
        • 2.Bf6#
      • 1...Qxg5+
        • 2.Qxg5#
      • 1...Qc6
        • 2.Bf6#
        • 2.Be7#
        • 2.Bd8#
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(a);OGATE,P_SPINQ(a),XB(B)::QAR1(A),XQ(a)
    • P(c);N_GUARD::S(C)
  • Actual
    • K(D);P_SPINB(B),S_FLIGHT,XP(c)
    • Threat
      • S(C)
    • Vars
      • Q(a);CHECK,N_PINB(B)::QAR(A)+B(B)
      • Q(a);CHECK,OGATE,P_SPINQ(a),XB(B)::QAR1(A),XQ(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).