MESON Chess Problem Database

Problem Display
PID: 141182 (brR1N3/3k4/1p5n/4PnB1/4B1p1/1Q6/8/K7 w - - 0 1)

Bernard, Henry D'Oyly

2nd Prize, Brighton Society, 1902

(First published on Sat May 31 1902)

brR1N3/3k4/1p5n/4PnB1/4B1p1/1Q6/8/K7

#2

7 + 7

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc8
      • 2.Qe6#
    • 1...Rb7
      • 2.Rd8#
    • 1...Sf7
      • 2.Bxf5#
    • 1...Sg8
      • 2.Bxf5#
  • Tries
    • 1.Bc6+?
      • 1...Kxc8
        • 2.Qe6#
      • 1...Bxc6!
    • 1.Qf7+?
      • 1...Kxc8
        • 2.Qe6#
        • 2.Qc7#
      • 1...Sxf7
        • 2.Bxf5#
      • 1...Se7!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Rc7#
      • 1...Kxc8
        • 2.Qe6#
      • 1...Rxc8
        • 2.e6#
      • 1...Sxg8
        • 2.Bxf5#
      • 1...Sf7
        • 2.Bxf5#
      • 1...Rb7
        • 2.Rd8#
      • 1...Se7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT,XR(F)::QAB(B)
    • R(g);N_GUARD::R1(F)
    • S(d);N_GUARD::B(C),XS(b)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(e);S_FLIGHT,XR(F)::QAB(B)
      • Refutation
        • B(f);XB(C)
    • Try
      • Q(B);CHECK
      • Vars
        • S(d);XQ(B)::B(C),XS(b)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • Q(B);
    • Threat
      • R1(F)
    • Vars
      • K(e);S_FLIGHT,XR(F)::QAB(B)
      • R(g);SBLOCK,XR(F)::P(D)
      • S(d);N_GUARD,XQ(B)::B(C),XS(b)
      • S(d);N_GUARD::B(C),XS(b)
      • R(g);N_GUARD::R1(F)
      • S(b);SBLOCK::S(G)
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).