MESON Chess Problem Database

Problem Display
PID: 206904 (8/4b3/pn6/kp6/3Q4/P1K5/1N1p3r/4q3 w - - 0 1)

Dollinger, Joseph

110 ganz neu zusammengestellte Schachendspiele, 1806

8/4b3/pn6/kp6/3Q4/P1K5/1N1p3r/4q3

#2

4 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb4+
      • 2.Qxb4#
      • 2.axb4#
    • 1...Bh4
      • 2.Qb4#
    • 1...Bg5
      • 2.Qb4#
    • 1...Bd8
      • 2.Qb4#
  • Keys
    • 1.Qb4+!
      • 1...Bxb4+
        • 2.axb4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(h);N_GUARD::QAB1(D)
  • Actual
    • Q(D);CHECK
    • Vars
      • B(h);CHECK,OGATE,XQ(D)::P(B),XB(h)
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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).