MESON Chess Problem Database

Problem Display
PID: 49568 (1B6/3N1bR1/2kN4/3n1Q2/8/2n5/4B3/4K3 w - - 0 1)

Gold, Samuel

Source?, 0000

1B6/3N1bR1/2kN4/3n1Q2/8/2n5/4B3/4K3

#2

7 + 4

5166 200 Schachaufgaben 1883

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Bb5#
    • 1...Sd1
      • 2.Bb5#
    • 1...Sa2
      • 2.Bb5#
    • 1...Sa4
      • 2.Bb5#
    • 1...Se4
      • 2.Bb5#
    • 1...Sb5
      • 2.Bxb5#
  • Keys
    • 1.Qe4!
      • 1...Kxd7
        • 2.Qe8#
      • 1...Sxe2
        • 2.Qa4#
      • 1...Sxe4
        • 2.Bb5#
      • 1...Bh5
        • 2.Qc4#
      • 1...Be6
        • 2.Qc4#
      • 1...Bg6
        • 2.Qc4#
      • 1...Be8
        • 2.Qc4#
      • 1...Bg8
        • 2.Qc4#
      • 1...Sb1
        • 2.Bb5#
        • 2.Qa4#
      • 1...Sd1
        • 2.Bb5#
        • 2.Qa4#
      • 1...Sa2
        • 2.Bb5#
        • 2.Qa4#
      • 1...Sa4
        • 2.Bb5#
        • 2.Qxa4#
      • 1...Sb5
        • 2.Bxb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::B(B)
    • S(a);N_GUARD::B(B),XS(a)
  • Actual
    • Q(C);P_PINS(b)
    • Vars
      • K(c);N_SPINS(b),OGATEB,P_SPINB(d),S_FLIGHT,XS(E)::QAB1(C)
      • S(a);N_GUARD,XB(B)::QAB(C)
      • S(a);N_GUARD,N_SPINS(b),XQ(C)::B(B)
      • B(d);::QAR2(C)
      • S(a);N_GUARD::B(B),XS(a)
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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).