MESON Chess Problem Database

Problem Display
PID: 120756 (5K1k/5pp1/5b1n/4N3/3qBQ2/8/8/8 w - - 0 1)

Vogel, Peter

Source?, 0000

5K1k/5pp1/5b1n/4N3/3qBQ2/8/8/8

#2

4 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Sxf7#
    • 1...Sg8
      • 2.Sxf7#
    • 1...g5
      • 2.Qxf6#
    • 1...g6
      • 2.Qxh6#
  • Keys
    • 1.Qxh6+!
      • 1...gxh6
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::S(C),XP(d)
    • P(e);OGATEB::QAB(B),XB(b)
    • P(e);N_GUARD::QAR2(B),XS(c)
  • Actual
    • Q(B);CHECK,XS(c)
    • Vars
      • P(e);XQ(B)::S(C),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).