MESON Chess Problem Database

Problem Display
PID: 32639 (8/8/3Q4/3b4/2NkN3/3p4/3p4/3K4 w - - 0 1)

Portilla, Vincente Maria Norberto

Source?, 0000

8/8/3Q4/3b4/2NkN3/3p4/3p4/3K4

#2

4 + 4

3498 Chess Problems by V. M. N. Portilla 1873
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qd7!
      • 1...Kxc4
        • 2.Qa4#
      • 1...Kxe4
        • 2.Qg4#

This anticipates 23002(1881), 222837(1884)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);
    • Vars
      • K(c);N_SPINB(d),OGATEB,P-FLIGHT,XS(B)::QAR2(D)
      • K(c);N_SPINB(d),OGATEB,P-FLIGHT,XS(C)::QAR2(D)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).