MESON Chess Problem Database

Problem Display
PID: 151828 (3R4/2pKp3/1P3P2/3k4/N1p1p1N1/2P1P3/3P4/3Q4 w - - 0 1)

Berd, Benjamin M

Good Companions (December), 1914

3R4/2pKp3/1P3P2/3k4/N1p1p1N1/2P1P3/3P4/3Q4

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...c6
      • 2.Kxe7#
    • 1...e6
      • 2.Kxc7#
  • Keys
    • 1.d4!
      • 1...cxb6
        • 2.Sxb6#
      • 1...exf6
        • 2.Sxf6#
      • 1...cxd4 ep
        • 2.Qb3#
      • 1...exd4 ep
        • 2.Qf3#
        • 2.Qh1#
      • 1...c5
        • 2.dxc5#
      • 1...c6
        • 2.Kxe7#
      • 1...e5
        • 2.dxe5#
      • 1...e6
        • 2.Kxc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::R(J)+K(I),XP(e)
    • P(e);SBLOCK::R(J)+K(I),XP(d)
  • Actual
    • P(B);
    • Vars
      • P(d);XP(G)::S(E),XP(d)
      • P(e);XP(H)::S(F),XP(e)
      • P(a);EP,OGATEB,P_SPINP(a),XP(B)::QAB(A)
      • P(d);OGATE::QAR(A)+P(B),XP(d)
      • P(d);SBLOCK::R(J)+K(I),XP(e)
      • P(e);OGATE::QAR(A)+P(B),XP(e)
      • P(e);SBLOCK::R(J)+K(I),XP(d)
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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).