MESON Chess Problem Database

Problem Display
PID: 121411 (8/p7/2P5/k1pp4/rNP5/bp1P4/8/4Q2K w - - 0 1)

Drnek, Josef

Nove parizske mody, 1903

8/p7/2P5/k1pp4/rNP5/bp1P4/8/4Q2K

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxc5#
      • 1...Kxb4
        • 2.Qe1#
      • 1...Kb6
        • 2.Qd8#
      • 1...Rxb4
        • 2.Qxa7#
      • 1...Bxb4
        • 2.Qxa7#
      • 1...cxb4
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • QAR2(A),XP(e)
    • Vars
      • K(d);OGATEB,P_SPINP(e),S_FLIGHT,XS(D)::QAB(A)
      • K(d);S_FLIGHT::QAB(A)
      • R(c);SBLOCK,XS(D)::QAR2(A),XP(g)
      • B(a);SBLOCK,XS(D)::QAR2(A),XP(g)
      • P(e);SBLOCK,XS(D)::QAR2(A),XP(g)
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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).