MESON Chess Problem Database

Problem Display
PID: 48084 (Kb6/1p6/k7/1b6/8/4Q3/3B4/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

Kb6/1p6/k7/1b6/8/4Q3/3B4/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qa7#
    • 1...Bg3
      • 2.Qa7#
    • 1...Bf4
      • 2.Qa7#
    • 1...Be5
      • 2.Qa7#
    • 1...Bd6
      • 2.Qa7#
    • 1...Ba7
      • 2.Qxa7#
    • 1...Bc7
      • 2.Qa7#
  • Tries
    • 1.Ba5?
      • threat
        • 2.Qb6#
      • 1...Ba7
        • 2.Qxa7#
      • 1...Bc7
        • 2.Qa7#
      • 1...b6
        • 2.Qxb6#
      • 1...Kxa5!
  • Keys
    • 1.Qc5!
      • 1...Bf1
        • 2.Qa5#
      • 1...Be2
        • 2.Qa5#
      • 1...Bd3
        • 2.Qa5#
      • 1...Ba4
        • 2.Qa5#
      • 1...Bc4
        • 2.Qa5#
      • 1...Bc6
        • 2.Qa5#
      • 1...Bd7
        • 2.Qa5#
      • 1...Be8
        • 2.Qa5#
      • 1...Bh2
        • 2.Qa7#
      • 1...Bg3
        • 2.Qa7#
      • 1...Bf4
        • 2.Qa7#
      • 1...Be5
        • 2.Qa7#
      • 1...Bd6
        • 2.Qa7#
      • 1...Ba7
        • 2.Qxa7#
      • 1...Bc7
        • 2.Qa7#
      • 1...b6
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::QAR1(B)
    • B(d);N_GUARD::QAR1(B),XB(d)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(B)
      • Vars
        • B(d);N_GUARD::QAR1(B),XB(d)
        • B(d);N_GUARD::QAR1(B)
        • P(c);::QAR1(B),XP(c)
      • Refutation
        • K(b);P-FLIGHT,XB(A)
  • Actual
    • Q(B);
    • Vars
      • B(a);OGATE::QAR1(B)
      • B(d);N_GUARD::QAR1(B)
      • B(d);N_GUARD::QAR1(B),XB(d)
      • P(c);OGATEB,SBLOCK::QAB(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).