MESON Chess Problem Database

Problem Display
PID: 101158 (B3K3/3N4/1P1k4/2N2P2/1nrP4/3bP3/8/8 w - - 0 1)

Nield, Joshua

Good Companions, 1922

B3K3/3N4/1P1k4/2N2P2/1nrP4/3bP3/8/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.dxc5#
    • 1...Bf1
      • 2.Se4#
    • 1...Be2
      • 2.Se4#
    • 1...Be4
      • 2.Sxe4#
  • Keys
    • 1.e4!
      • threat
        • 2.e5#
      • 1...Rxc5
        • 2.dxc5#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Sc6
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATE,XS(C)::P(B),XR(c)
    • B(a);N_GUARD::S(C)
    • B(a);N_GUARD::S(C),XB(a)
  • Actual
    • P(A);
    • Threat
      • P(A)
    • Vars
      • R(c);OGATE,XS(C)::P(B),XR(c)
      • B(a);XP(A)::S(C),XB(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).