MESON Chess Problem Database

Problem Display
PID: 23570 (n1k3r1/K3Q3/8/3P4/8/8/7B/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

n1k3r1/K3Q3/8/3P4/8/8/7B/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qe8#
    • 1...Rg2
      • 2.Qe8#
    • 1...Rg4
      • 2.Qe8#
    • 1...Rg5
      • 2.Qe8#
    • 1...Rg6
      • 2.Qe8#
    • 1...Rd8
      • 2.Qb7#
    • 1...Re8
      • 2.Qxe8#
    • 1...Sb6
      • 2.Qc7#
    • 1...Sc7
      • 2.Qxc7#
  • Tries
    • 1.Kxa8?
      • threat
        • 2.Qc7#
      • 1...Rg7
        • 2.Qe8#
      • 1...Rg3!
  • Keys
    • 1.d6!
      • threat
        • 2.d7#
      • 1...Rg3
        • 2.Qe8#
      • 1...Rd8
        • 2.Qb7#
      • 1...Sb6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(c);N_GUARD::QAR2(D)
    • R(c);SBLOCK::QAB1(D)
    • R(c);N_GUARD::QAR2(D),XR(c)
    • S(a);N_GUARD::QAR1(D)
    • S(a);N_GUARD::QAR1(D),XS(a)
  • Tries
    • Try
      • K(C);P-FLIGHT,XS(a)
      • Threat
        • QAR1(D)
      • Vars
        • R(c);N_GUARD::QAR2(D)
      • Refutation
        • R(c);
  • Actual
    • P(B);
    • Threat
      • P(B)
    • Vars
      • R(c);N_GUARD::QAR2(D)
      • R(c);SBLOCK::QAB1(D)
      • S(a);N_GUARD::QAR1(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).