MESON Chess Problem Database

Problem Display
PID: 176259 (8/1KN5/8/2k2p2/1nrn1B2/8/5Q2/3R4 w - - 0 1)

Hoek, Willem

Schach-Echo, 1972

8/1KN5/8/2k2p2/1nrn1B2/8/5Q2/3R4

#2

5 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qxd4#
    • 1...Rc2
      • 2.Qxd4#
    • 1...Rc3
      • 2.Qxd4#
  • Keys
    • 1.Qb2!
      • 1...Rc1
        • 2.Qxd4#
      • 1...Rc2
        • 2.Qxd4#
      • 1...Rc3
        • 2.Qxc3#
      • 1...Sa2
        • 2.Qb6#
      • 1...Sbc2
        • 2.Qb6#
      • 1...Sd3
        • 2.Qb6#
      • 1...Sd5
        • 2.Sa6#
      • 1...Sa6
        • 2.Qb6#
      • 1...Sbc6
        • 2.Qb6#
      • 1...Sdc2
        • 2.Bd6#
      • 1...Se2
        • 2.Bd6#
      • 1...Sb3
        • 2.Bd6#
      • 1...Sf3
        • 2.Bd6#
      • 1...Sb5
        • 2.Se6#
      • 1...Sdc6
        • 2.Bd6#
      • 1...Se6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::QAB1(B),XS(c)
  • Actual
    • Q(B);N_PINS(c)
    • Vars
      • R(b);N_GUARD::QAB1(B),XS(c)
      • R(b);OGATEB::QAR2(B),XR(b)
      • S(a);OGATE::QAB1(B)
      • S(a);N_GUARD,SBLOCK::S(E)
      • S(c);::B(C)
      • S(c);N_GUARD,SBLOCK::S(E)
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).