MESON Chess Problem Database

Problem Display
PID: 78911 (Q7/2K3b1/3Pkpp1/4NR1b/4pr2/8/8/8 w - - 0 1)

Lange, Hans Franz

1st Prize, Vestiche Neueste Nachrichten, 1937/II

Q7/2K3b1/3Pkpp1/4NR1b/4pr2/8/8/8

#2

5 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qd5#
      • 1...Kxf5
        • 2.Qc8#
      • 1...Kf7
        • 2.Sg5#
      • 1...Rxf5
        • 2.Qg8#
      • 1...gxf5
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(A);
    • Threat
      • QAB1(E)
    • Vars
      • K(d);S_FLIGHT,XR(B)::QAB(E)
      • K(d);P_SPINP(e),S_FLIGHT::S(A)
      • R(b);SBLOCK,XR(B)::QAB(E)
      • P(f);SBLOCK,XR(B)::QAB(E)
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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).