MESON Chess Problem Database

Problem Display
PID: 189545 (K7/1B4pp/6kN/4P2p/4P3/1p2Qp2/8/1b4r1 w - - 0 1)

van Beek, Huibrecht

van Dijk, Johannes

Magyar Sakkvilag, 1911

K7/1B4pp/6kN/4P2p/4P3/1p2Qp2/8/1b4r1

#2

6 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Qb6#
    • 1...Bxe4
      • 2.Bxe4#
  • Keys
    • 1.Bd5!
      • threat
        • 2.Bf7#
      • 1...Bxe4
        • 2.Bxe4#
      • 1...gxh6
        • 2.Qxg1#
      • 1...Rg5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR(A)
    • B(a);OGATE,P_PINB(E),XP(B)::B(E),XB(a)
  • Actual
    • B(E);
    • Threat
      • B(E)
    • Vars
      • B(a);OGATE,P_PINB(E),XP(B)::B(E),XB(a)
      • P(g);SBLOCK,XS(D)::QAR(A),XR(b)
      • R(b);SBLOCK::QAR(A)
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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).