MESON Chess Problem Database

Problem Display
PID: 148363 (8/N7/1pbrp1P1/1p4QK/1PpkB3/3P2p1/3B2P1/8 w - - 0 1)

Bell, EP

1st Prize, Bolton Football Field, 1900

8/N7/1pbrp1P1/1p4QK/1PpkB3/3P2p1/3B2P1/8

#2

9 + 8

15 British Chess Magazine 1900

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Sxc6#
    • 1...Rd7
      • 2.Sxc6#
    • 1...Rd8
      • 2.Sxc6#
    • 1...Bd5
      • 2.Sxb5#
    • 1...Bb7
      • 2.Sxb5#
    • 1...Ba8
      • 2.Sxb5#
    • 1...c3
      • 2.Be3#
    • 1...e5
      • 2.Qe3#
  • Keys
    • 1.Qf4!
      • 1...Rd5+
        • 2.Bf5#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...cxd3
        • 2.Bxc6#
      • 1...Rd7
        • 2.Sxc6#
      • 1...Rd8
        • 2.Sxc6#
      • 1...Bd5
        • 2.Sxb5#
      • 1...Bb7
        • 2.Sxb5#
      • 1...Bd7
        • 2.Qxd6#
      • 1...Ba8
        • 2.Sxb5#
      • 1...Be8
        • 2.Qxd6#
      • 1...c3
        • 2.Be3#
      • 1...e5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD,P_PINQ(F)::S(I),XB(f)
    • R(g);N_GUARD::S(I),XB(f)
    • B(f);N_GUARD::S(I),XP(d)
    • P(b);SBLOCK::B(A)
    • P(h);SBLOCK::QAB1(F)
  • Actual
    • Q(F);
    • Vars
      • R(g);CHECK,SBLOCK,S_CUTB(f)::QAR(F)+B(E)
      • B(f);OGATE,P_SPINB(f),XB(E)::QAR1(F),XB(f)
      • P(b);SBLOCK,XP(C)::QAR(F)+B(E),XB(f)
      • R(g);N_GUARD::S(I),XB(f)
      • B(f);N_GUARD::S(I),XP(d)
      • B(f);N_GUARD::QAR2(F),XR(g)
      • B(f);N_GUARD,P_PINP(H)::QAR2(F),XR(g)
      • P(b);SBLOCK::B(A)
      • P(h);SBLOCK::QAB1(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).