MESON Chess Problem Database

Problem Display
PID: 39776 (3Bk3/6K1/2bQ2n1/n7/8/8/8/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

3Bk3/6K1/2bQ2n1/n7/8/8/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Qe7#
    • 1...Sh4
      • 2.Qe7#
    • 1...Se5
      • 2.Qe7#
    • 1...Se7
      • 2.Qxe7#
    • 1...Sf8
      • 2.Qe7#
    • 1...Sh8
      • 2.Qe7#
  • Tries
    • 1.Bh4?
      • threat
        • 2.Qd8#
      • 1...Bd7
        • 2.Qxg6#
      • 1...Sb7
        • 2.Qxc6#
      • 1...Se7
        • 2.Qxe7#
      • 1...Sxh4!
    • 1.Bf6?
      • threat
        • 2.Qd8#
      • 1...Sb7
        • 2.Qxc6#
      • 1...Se7
        • 2.Qxe7#
      • 1...Bd7!
    • 1.Qe6+?
      • 1...Se7
        • 2.Qxe7#
      • 1...Kxd8!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Qd8#
      • 1...Bd7
        • 2.Qxg6#
      • 1...Sb7
        • 2.Qxc6#
      • 1...Se7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(c);N_GUARD::QAR1(A)
    • S(c);N_GUARD::QAR1(A),XS(c)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • B(b);SBLOCK::QAB(A),XS(c)
        • S(a);N_GUARD::QAB(A),XB(b)
        • S(c);N_GUARD::QAR1(A),XS(c)
      • Refutation
        • S(c);XB(C)
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • S(a);N_GUARD::QAB(A),XB(b)
        • S(c);N_GUARD::QAR1(A),XS(c)
      • Refutation
        • B(b);
    • Try
      • Q(A);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
      • Refutation
        • K(d);P-FLIGHT,XB(C)
  • Actual
    • B(C);
    • Threat
      • QAR1(A)
    • Vars
      • B(b);SBLOCK::QAB(A),XS(c)
      • S(a);N_GUARD::QAB(A),XB(b)
      • S(c);N_GUARD::QAR1(A),XS(c)
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).