MESON Chess Problem Database

Problem Display
PID: 92700 (R3Nr2/2Bk2b1/3P2N1/3P1r2/7b/8/5Q2/4K3 w - - 0 1)

Dawson, Thomas Rayner

Tijdschrift vd KNSB, 1927

R3Nr2/2Bk2b1/3P2N1/3P1r2/7b/8/5Q2/4K3

#2

8 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Rd8#
    • 1...R5f6
      • 2.Se5#
      • 2.Rd8#
    • 1...R8f6
      • 2.Rd8#
    • 1...Bg3
      • 2.Rd8#
    • 1...Bhf6
      • 2.Qxf5#
    • 1...Bd8
      • 2.Rxd8#
    • 1...Bgf6
      • 2.Sxf8#
  • Keys
    • 1.Sf6+!
      • 1...R5xf6
        • 2.Se5#
      • 1...R8xf6
        • 2.Rd8#
      • 1...Bhxf6
        • 2.Qxf5#
      • 1...Bgxf6
        • 2.Sxf8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(b);S_CUTB(a)::R1(G)
    • R(e);S_CUTB(a)::R1(G)
    • B(a);N_GUARD::R1(G)
    • B(a);N_PINQ(B)::QAB(B),XR(b)
    • B(a);N_GUARD,N_PINQ(B)::R1(G),XB(a)
    • B(d);N_GUARD,S_CUTR(b)::S(E),XR(e)
  • Actual
    • S(H);CHECK
    • Vars
      • R(b);XS(H)::S(E)
      • R(e);XS(H)::R1(G)
      • B(a);N_PINQ(B),XS(H)::QAB(B),XR(b)
      • B(d);XS(H)::S(E),XR(e)
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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).