MESON Chess Problem Database

Problem Display
PID: 85766 (8/5p2/5Qp1/6N1/4PP2/3Nk3/1P2p3/4K3 w - - 0 1)

Speckmann, Werner

Schweizerische Arbeiter Schachzeitung, 1968

8/5p2/5Qp1/6N1/4PP2/3Nk3/1P2p3/4K3

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Qc3#
  • Tries
    • 1.f5?
      • 1...Kxd3
        • 2.Qc3#
      • 1...gxf5!
  • Keys
    • 1.Se5!
      • 1...Kd4
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);OGATEB,P-FLIGHT,XS(C)::QAR1(G)
  • Tries
    • Try
      • P(E);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XS(C)::QAR1(G)
      • Refutation
        • P(c);XP(E)
  • Actual
    • S(C);
    • Vars
      • K(b);S_FLIGHT::QAB(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).