MESON Chess Problem Database

Problem Display
PID: 7378 (7r/6Q1/5p2/4b2k/8/7K/5N2/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 1999

7r/6Q1/5p2/4b2k/8/7K/5N2/8

#2

3 + 4

2786 More Fun with Chess Miniatures 2000
3713 Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rh6
      • 2.Qg4#
  • Keys
    • 1.Se4!
      • 1...Rh7
        • 2.Qxh7#
      • 1...Rh6
        • 2.Qg4#
      • 1...Ra8
        • 2.Qh7#
      • 1...Rb8
        • 2.Qh7#
      • 1...Rc8
        • 2.Qh7#
      • 1...Rd8
        • 2.Qh7#
      • 1...Re8
        • 2.Qh7#
      • 1...Rf8
        • 2.Qh7#
      • 1...Rg8
        • 2.Qh7#
      • 1...Ba1
        • 2.Sg3#
      • 1...Bb2
        • 2.Sg3#
      • 1...Bh2
        • 2.Sxf6#
      • 1...Bc3
        • 2.Sg3#
      • 1...Bg3
        • 2.Sxg3#
        • 2.Sxf6#
      • 1...Bd4
        • 2.Sg3#
      • 1...Bf4
        • 2.Sxf6#
      • 1...Bd6
        • 2.Sxf6#
      • 1...Bc7
        • 2.Sxf6#
      • 1...Bb8
        • 2.Sxf6#
      • 1...f5
        • 2.Qg5#

Anticipated by 173127(1984)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 18
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::QAB1(C)
  • Actual
    • S(A);
    • Vars
      • R(d);N_GUARD::QAR2(C),XR(d)
      • R(d);SBLOCK::QAB1(C)
      • R(d);N_GUARD::QAR2(C)
      • B(a);N_GUARD::S(A)
      • B(a);N_GUARD::S(A),XP(c)
      • P(c);N_GUARD::QAR1(C)
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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).