MESON Chess Problem Database

Problem Display
PID: 9470 (QK5B/2p5/2p2RP1/1br1k3/1p4P1/7n/3P4/b3N2B w - - 0 1)

Fellows, Arthur G

3rd Prize, Birmingham News, 1904

QK5B/2p5/2p2RP1/1br1k3/1p4P1/7n/3P4/b3N2B

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rf4#
    • 1...Bc4
      • 2.Qxa1#
    • 1...Sf4
      • 2.Rxc6#
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qxc5#
      • 1...Kd4
        • 2.Rf4#
      • 1...Rc1
        • 2.Qe3#
      • 1...Rc2
        • 2.Qe3#
      • 1...Rc3
        • 2.d4#
      • 1...Rc4
        • 2.Sd3#
      • 1...Rd5
        • 2.Qe3#
      • 1...Bd4
        • 2.Qxc7#
      • 1...Bc4
        • 2.Qxa1#
      • 1...Sf4
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT::B(I)+R(E),DCHECK
    • B(d);S_CUTR(e)::QAB(G),XB(a)
    • S(b);SBLOCK::B(I)+R(E),XP(g)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G),XR(e)
    • Vars
      • K(f);P_SPINR(e),S_FLIGHT::B(I)+R(E),DCHECK
      • R(e);OGATE::QAR2(G)
      • R(e);S_CUTB(a)::P(C)
      • R(e);S_CUTB(d)::S(A)
      • B(a);SBLOCK::QAB(G),XP(h)
      • B(d);S_CUTR(e)::QAB(G),XB(a)
      • S(b);SBLOCK::B(I)+R(E),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).