MESON Chess Problem Database

Problem Display
PID: 57323 (1r3b2/1n5K/4p3/pB3Q2/pk1P3R/p3N3/P2P4/3b4 w - - 0 1)

Fegan, Bertram George

Comm., Brisbane Courier, 1918-1919

1r3b2/1n5K/4p3/pB3Q2/pk1P3R/p3N3/P2P4/3b4

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Sxc2#
    • 1...Be2
      • 2.Sc2#
      • 2.Qb1#
    • 1...Bf3
      • 2.Sc2#
      • 2.Qb1#
    • 1...Bg4
      • 2.Sc2#
      • 2.Qb1#
    • 1...Bh5
      • 2.Sc2#
      • 2.Qb1#
    • 1...Sd6
      • 2.Qc5#
  • Keys
    • 1.Be2!
      • threat
        • 2.Qb5#
      • 1...Bxe2
        • 2.Qb1#
      • 1...exf5
        • 2.Sd5#
      • 1...Bc2
        • 2.Sxc2#
      • 1...Bc5
        • 2.dxc5#
      • 1...Sc5
        • 2.dxc5#
      • 1...Sd6
        • 2.Qc5#
      • 1...Sd8
        • 2.Qxf8#
      • 1...e5
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD,P_PINQ(G)::S(C),XB(a)
    • S(g);N_GUARD,S_CUTB(i)::QAB1(G)
  • Actual
    • B(F);
    • Threat
      • QAR1(G)
    • Vars
      • B(a);N_GUARD,XB(F)::QAR(G)
      • P(f);N_GUARD,XQ(G)::S(C)
      • B(a);N_GUARD,P_PINQ(G)::S(C),XB(a)
      • B(i);OGATE::R(E)+P(D),XB(i)
      • S(g);OGATE::R(E)+P(D),XS(g)
      • S(g);N_GUARD,S_CUTB(i)::QAB1(G)
      • S(g);N_GUARD,S_CUTR(h)::QAB(G),XB(i)
      • P(f);N_GUARD::S(C)
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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).