MESON Chess Problem Database

Problem Display
PID: 51231 (3R1R2/2bb1N2/4P1n1/r5pN/3pk1B1/pQ1p2pP/3P2P1/7K w - - 0 1)

Luke, R

Manchester Guardian, 1955

3R1R2/2bb1N2/4P1n1/r5pN/3pk1B1/pQ1p2pP/3P2P1/7K

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Sf6#
    • 1...Be5
      • 2.Sxg5#
    • 1...Bb5
      • 2.Qd5#
    • 1...Sf4
      • 2.Sxg3#
      • 2.Sf6#
    • 1...Se5
      • 2.Sxg5#
  • Keys
    • 1.Be2!
      • threat
        • 2.Bxd3#
      • 1...Kf5
        • 2.Bxd3#
      • 1...dxe2
        • 2.Qf3#
      • 1...Bb5
        • 2.Qd5#
      • 1...Sf4
        • 2.Sxg3#
      • 1...Se5
        • 2.Sxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(i);SBLOCK::S(G)
    • B(i);SBLOCK,S_CUTR(f)::S(I),XP(g)
    • B(j);S_CUTR(f)::QAB1(D)
    • S(h);SBLOCK,S_CUTR(f)::S(I),XP(g)
  • Actual
    • B(F);
    • Threat
      • B(F),XP(b)
    • Vars
      • K(e);S_FLIGHT::B(F),XP(b)
      • P(b);OGATE,XB(F)::QAB1(D)
      • B(j);S_CUTR(f)::QAB1(D)
      • S(h);SBLOCK,S_CUTB(i)::S(G),XP(c)
      • S(h);SBLOCK,S_CUTR(f)::S(I),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).