MESON Chess Problem Database

Problem Display
PID: 24135 (8/6p1/7n/3KBk2/8/6Q1/7P/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/6p1/7n/3KBk2/8/6Q1/7P/8

#2

4 + 3

145 StrateGems 2008

SOLUTION

  • SOUND
  • Sets
    • 1...g6
      • 2.Qf4#
  • Tries
    • 1.h4?
      • threat
        • 2.Qg5#
      • 1...Sg4
        • 2.Qd3#
      • 1...g5
        • 2.Qxg5#
      • 1...Sf7!
  • Keys
    • 1.h3!
      • 1...Sg4
        • 2.Qxg4#
      • 1...g5
        • 2.Qd3#
      • 1...Sf7
        • 2.Qg4#
      • 1...Sg8
        • 2.Qg4#
      • 1...g6
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR1(B)
  • Tries
    • Try
      • P(A);
      • Threat
        • QAR1(B)
      • Vars
        • S(b);SBLOCK::QAB(B)
        • P(c);::QAR1(B),XP(c)
      • Refutation
        • S(b);
  • Actual
    • P(A);
    • Vars
      • S(b);N_GUARD::QAB1(B),XS(b)
      • P(c);SBLOCK::QAB(B)
      • S(b);N_GUARD::QAB1(B)
      • P(c);SBLOCK::QAR1(B)
HTML5 logo

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).