MESON Chess Problem Database

Problem Display
PID: 190212 (2N5/2n2p2/4Nr1B/2P1k3/4p1P1/1Q6/1K3p2/8 w - - 0 1)

Leopold, Dr Rudolf L

Magyar Sakkvilag, 1913

2N5/2n2p2/4Nr1B/2P1k3/4p1P1/1Q6/1K3p2/8

#2

7 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sd7#
      • 1...Rxe6
        • 2.Qc3#
      • 1...Sxe6
        • 2.Qd5#
      • 1...fxe6
        • 2.Qc3#
      • 1...Sd5
        • 2.Qxd5#
      • 1...e3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(d);SBLOCK,XS(E)::QAB(B)
      • S(e);N_GUARD,XS(E)::QAR1(B)
      • P(f);SBLOCK,XS(E)::QAB(B)
      • S(e);N_GUARD::QAR1(B),XS(e)
      • P(b);OGATEB::QAR2(B),XP(b)
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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).