MESON Chess Problem Database

Problem Display
PID: 273427 (4k3/3RP1K1/2bR4/1N1n4/8/8/8/8 w - - 0 1)

Bowater, Percy

The Problemist, 1932

4k3/3RP1K1/2bR4/1N1n4/8/8/8/8

#2

5 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sc7#
    • 1...Se3
      • 2.Sc7#
    • 1...Sb4
      • 2.Sc7#
    • 1...Sf4
      • 2.Sc7#
    • 1...Sb6
      • 2.Sc7#
    • 1...Sf6
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sxe7
      • 2.Sc7#
      • 2.Rd8#
  • Keys
    • 1.Re6!
      • threat
        • 2.Rd8#
      • 1...Kxd7
        • 2.e8Q#
      • 1...Bxd7
        • 2.Sd6#
      • 1...Sxe7
        • 2.Rexe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
  • Actual
    • R(B);
    • Threat
      • R1(C)
    • Vars
      • K(c);OGATE,S_FLIGHT,XR(C)::P=Q
      • B(b);SBLOCK,XR(C)::S(A)
      • S(a);OGATE,P_SPINS(a),XP(D)::R1(B),XS(a)
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).