MESON Chess Problem Database

Problem Display
PID: 9673 (6K1/3p4/2prpp2/7B/R7/3kB3/1R2N1N1/n4n1r w - - 0 1)

Blake, Percy Francis

4th HM., Western Daily Mercury, 1907

6K1/3p4/2prpp2/7B/R7/3kB3/1R2N1N1/n4n1r

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Rxd4#
    • 1...Sc2
      • 2.Rb3#
    • 1...Sd2
      • 2.Rxd2#
    • 1...Sh2
      • 2.Rd2#
    • 1...Sxe3
      • 2.Sgf4#
    • 1...Sg3
      • 2.Rd2#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Se1#
        • 2.Sgf4#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Rh4
        • 2.Se1#
      • 1...Sc2
        • 2.Sgf4#
        • 2.Rb3#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sh2
        • 2.Sgf4#
        • 2.Rd2#
      • 1...Se3
        • 2.Sgf4#
        • 2.Rd2#
      • 1...Sg3
        • 2.Sgf4#
        • 2.Rd2#
      • 1...e5
        • 2.Se1#
      • 1...Rg1!
    • 1.Bh6?
      • threat
        • 2.Se1#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Sc2
        • 2.Rb3#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sh2
        • 2.Rd2#
      • 1...Se3
        • 2.Sgf4#
      • 1...Sg3
        • 2.Rd2#
      • 1...Rg1!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Se1#
      • 1...fxg5
        • 2.Bg6#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Sc2
        • 2.Rb3#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sh2
        • 2.Rd2#
      • 1...Se3
        • 2.Sgf4#
      • 1...Sg3
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD::R1(E),XR(f)
    • S(a);N_GUARD,SBLOCK::R(A)
    • S(b);N_GUARD::R1(A),XS(b)
    • S(b);N_GUARD::R1(A)
    • S(b);SBLOCK,XB(D)::S(C)
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);N_GUARD::R1(E),XR(f)
        • R(c);::S(C)
        • S(b);N_GUARD::R1(A),XS(b)
        • P(g);::S(C)
      • Refutation
        • R(c);P_PINS(C)
    • Try
      • B(D);
      • Threat
        • S(C)
      • Vars
        • R(f);N_GUARD::R1(E),XR(f)
        • S(a);N_GUARD,SBLOCK::R(A)
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);N_GUARD::R1(A)
        • S(b);SBLOCK::S(C)
      • Refutation
        • R(c);P_PINS(C)
  • Actual
    • B(D);
    • Threat
      • S(C)
    • Vars
      • P(h);N_GUARD,XB(D)::B(F)
      • R(f);N_GUARD::R1(E),XR(f)
      • S(a);N_GUARD,SBLOCK::R(A)
      • S(b);N_GUARD::R1(A),XS(b)
      • S(b);N_GUARD::R1(A)
      • S(b);SBLOCK::S(C)
HTML5 logo

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).