MESON Chess Problem Database

Problem Display
PID: 189513 (8/4N2Q/8/8/1PpkpK2/8/3p4/8 w - - 0 1)

Marinsky Edle von Derau, Anna

Das Interessante Blatt, 1911

8/4N2Q/8/8/1PpkpK2/8/3p4/8

#2

4 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qxe4#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qxe4#
      • 1...Kd3
        • 2.Qxe4#
      • 1...Kxd5
        • 2.Qd7#
      • 1...e3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(b);SBLOCK::QAR1(D),XP(d)
  • Actual
    • S(C);
    • Threat
      • QAR1(D),XP(d)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(d)::QAB1(D),XP(d)
      • K(c);OGATEB,P-FLIGHT,XS(C)::QAR2(D)
      • P(d);::QAR1(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).