Problem Display
PID: 175274 (8/4Q3/3pbp2/4k3/4P3/4K3/8/8 w - - 0 1)

Coppens, JP

Limburgs Dagblad, 1936

8/4Q3/3pbp2/4k3/4P3/4K3/8/8

#2

3 + 4


3713 Snap 2018
6490 yacpdb 2018
5454 Near Snap 2021

SOLUTION


  • SOUND
  • Sets
    • 1...d5
      • 2.Qc7#
    • 1...f5
      • 2.Qg7#
  • Keys
    • 1.Qe8!
      • 1...d5
        • 2.Qb8#
      • 1...f5
        • 2.Qh8#

Anticipated by 206717(1925)

This anticipates 39050(2000)

FEATURES


  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(C)
    • P(d);OGATEB::QAB(C)
  • Actual
    • Q(C);
    • Vars
      • P(b);OGATEB::QAB(C)
      • P(d);OGATEB::QAB(C)


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).