MESON Chess Problem Database

Problem Display
PID: 51170 (6N1/7n/3B4/1P1kPKb1/1pp5/r3P3/1Pp1P3/Q1n2R2 w - - 0 1)

Bennett, Frederick

Manchester Guardian, 1952

6N1/7n/3B4/1P1kPKb1/1pp5/r3P3/1Pp1P3/Q1n2R2

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Qa8#
    • 1...Rc3
      • 2.Qa8#
    • 1...Rd3
      • 2.Qa8#
    • 1...Ra8
      • 2.Qxa8#
    • 1...Bf4
      • 2.Se7#
    • 1...Bh6
      • 2.Se7#
    • 1...Be7
      • 2.Sxe7#
    • 1...Sf6
      • 2.Se7#
  • Tries
    • 1.bxa3?
      • threat
        • 2.Qd4#
        • 2.e4#
      • 1...Bxe3
        • 2.Se7#
      • 1...Sxe2
        • 2.e4#
      • 1...Sb3
        • 2.e4#
      • 1...Sf6
        • 2.Se7#
        • 2.Qd4#
      • 1...c3!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Rd4#
      • 1...Rxe3
        • 2.Qa8#
      • 1...Bxf4
        • 2.Se7#
      • 1...Sxe2
        • 2.Qh1#
      • 1...Rd3
        • 2.Qa8#
      • 1...Sb3
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(c);OGATE::QAB(A)
    • R(c);OGATE::QAB(A),XR(c)
    • B(g);N_GUARD::S(J)
    • B(g);N_GUARD::S(J),XB(g)
    • S(h);S_CUTB(g)::S(J)
  • Tries
    • Try
      • P(C);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • B(g);N_GUARD,XP(E)::S(J)
        • S(a);XP(D)::P(E)
        • S(a);::P(E)
      • Refutation
        • P(e);
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • R(c);OGATE,XP(E)::QAB(A)
      • B(g);N_GUARD,XR(B)::S(J)
      • S(a);OGATE,XP(D)::QAB(A)
      • R(c);OGATE::QAB(A)
      • S(a);OGATE::QAB(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).