MESON Chess Problem Database

Problem Display
PID: 39768 (8/1BQpN1K1/4k3/6p1/8/8/8/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/1BQpN1K1/4k3/6p1/8/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Bxd5#
      • 2.Bc8#
  • Tries
    • 1.Bc8?
      • 1...Kxe7
        • 2.Qxd7#
      • 1...g4!
    • 1.Qxd7+?
      • 1...Ke5
        • 2.Sg6#
      • 1...Kxd7!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qe5#
      • 1...Kf5
        • 2.Qxd7#
      • 1...d5
        • 2.Bc8#
      • 1...d6
        • 2.Qf7#
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);P_PINP(c)
      • Vars
        • K(b);P-FLIGHT,XS(C)::QAR1(B),XP(c)
      • Refutation
        • P(a);
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT::S(C)
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
  • Actual
    • S(C);
    • Threat
      • QAR1(B)
    • Vars
      • K(b);S_FLIGHT::QAB(B),XP(c)
      • P(c);OGATEB,SBLOCK::B(A)
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).