MESON Chess Problem Database

Problem Display
PID: 175230 (BK5b/4N2b/1R2p1p1/4knP1/1R5p/N3rQ2/6n1/4r3 w - - 0 1)

Barry, Henry William

The Times, 1902

BK5b/4N2b/1R2p1p1/4knP1/1R5p/N3rQ2/6n1/4r3

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bg8
      • 2.Sxg6#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sd4
      • 2.Sc4#
    • 1...Sd6
      • 2.Sc6#
    • 1...Sg7
      • 2.Qf6#
  • Tries
    • 1.Qxe3+?
      • 1...Sgxe3
        • 2.Re4#
      • 1...Sfxe3
        • 2.Re4#
      • 1...Rxe3!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Rxe6#
      • 1...exd5
        • 2.Qxd5#
      • 1...Bg8
        • 2.Sxg6#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sd4
        • 2.Sc4#
      • 1...Sd6
        • 2.Sc6#
      • 1...Sg7
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(i);N_GUARD::S(F),XP(h)
    • S(b);N_GUARD::QAB1(B),XS(b)
    • S(f);SBLOCK::S(A)
    • S(f);SBLOCK::S(F)
    • S(f);OGATE::QAB1(B)
  • Tries
    • Try
      • Q(B);CHECK,XR(c)
      • Vars
        • S(b);XQ(B)::R1(C)
        • S(f);XQ(B)::R1(C)
      • Refutation
        • R(a);XQ(B)
  • Actual
    • B(G);
    • Threat
      • R1(E),XP(g)
    • Vars
      • P(g);OGATE,XB(G)::QAR1(B),XP(g)
      • B(i);N_GUARD::S(F),XP(h)
      • S(b);N_GUARD::QAB1(B),XS(b)
      • S(f);SBLOCK::S(A)
      • S(f);SBLOCK::S(F)
      • S(f);OGATE::QAB1(B)
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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).