MESON Chess Problem Database

Problem Display
PID: 152097 (2Q4b/4N3/6q1/3PN1n1/1p1k4/3b2P1/1K3P2/6B1 w - - 0 1)

Boswell, Edward

2nd HM., Bristol Times and Mirror, 1930

2Q4b/4N3/6q1/3PN1n1/1p1k4/3b2P1/1K3P2/6B1

#2

8 + 6

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.f4#
    • 1...Bxe5
      • 2.f3#
    • 1...Se4
      • 2.Sf3#
  • Tries
    • 1.Qc4+?
      • 1...Kxe5
        • 2.Qf4#
      • 1...Bxc4!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
        • 2.Qf4#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Bxe5
        • 2.f3#
      • 1...Qe4
        • 2.S5c6#
      • 1...Be4
        • 2.f4#
      • 1...Se4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::B(A)+P(C)
    • B(f);SBLOCK,XS(F)::B(A)+P(C)
    • S(d);N_GUARD,SBLOCK::S(F)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT,XS(F)::QAB1(H)
      • Refutation
        • B(a);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • K(c);S_FLIGHT,XS(F)::QAB1(H)
      • B(f);SBLOCK,XS(F)::B(A)+P(C)
      • Q(e);N_GUARD,SBLOCK::S(F)
      • B(a);SBLOCK::B(A)+P(C)
      • S(d);N_GUARD,SBLOCK::S(F)
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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).