MESON Chess Problem Database

Problem Display
PID: 272218 (8/4pNK1/2P1kpp1/1n1n4/q3PP2/3N4/4R1b1/6bB w - - 0 1)

Brewer, Dr. F L

Kipping, Cyril Stanley

The Problemist, 1957

8/4pNK1/2P1kpp1/1n1n4/q3PP2/3N4/4R1b1/6bB

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Sd4
      • 2.Sc5#
    • 1...Sd6
      • 2.Sd8#
    • 1...Se3
      • 2.Sc5#
    • 1...Sxf4
      • 2.Sxf4#
    • 1...g5
      • 2.f5#
  • Tries
    • 1.exd5+?
      • 1...Kf5
        • 2.Sh6#
      • 1...Kxd5!
  • Keys
    • 1.Kxg6!
      • threat
        • 2.f5#
      • 1...Sxf4+
        • 2.Sxf4#
      • 1...Bh3
        • 2.exd5#
      • 1...Sd4
        • 2.Sc5#
      • 1...Sd6
        • 2.Sd8#
      • 1...Se3
        • 2.Sc5#
      • 1...f5
        • 2.exf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
    • S(d);S_CUTB(a)::S(C)
    • S(d);SBLOCK::S(G)
    • S(e);S_CUTB(a)::S(C)
    • S(e);XP(E)::S(C),XS(e)
    • P(h);N_GUARD::P(E)
  • Tries
    • Try
      • P(D);CHECK,XS(e)
      • Vars
        • K(f);N_GUARD,S_FLIGHT::S(G)
      • Refutation
        • K(f);P_SPINB(b),S_FLIGHT,XP(D)
  • Actual
    • K(H);P-FLIGHT,XP(h)
    • Threat
      • P(E)
    • Vars
      • S(e);CHECK,XP(E)::S(C),XS(e)
      • B(b);::R(B)+P(D)DCHECK,XS(e)
      • S(d);S_CUTB(a)::S(C)
      • S(d);SBLOCK::S(G)
      • S(e);S_CUTB(a)::S(C)
      • P(g);OGATE::R(B)+P(D)DCHECK,XP(g)
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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).