MESON Chess Problem Database

Problem Display
PID: 92260 (8/2N2K2/1P1k1n2/1Q6/3P4/8/8/8 w - - 0 1)

Benninger, Max

Schweizerische Schachzeitung, 1946

8/2N2K2/1P1k1n2/1Q6/3P4/8/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Se8#
      • 2.Qd5#
    • 1...Sg4
      • 2.Se8#
      • 2.Qd5#
    • 1...Sd5
      • 2.Se8#
      • 2.Qxd5#
    • 1...Sh5
      • 2.Se8#
      • 2.Qd5#
    • 1...Sd7
      • 2.Se8#
      • 2.Qd5#
    • 1...Sh7
      • 2.Se8#
      • 2.Qd5#
    • 1...Se8
      • 2.Sxe8#
      • 2.Qd5#
    • 1...Sg8
      • 2.Se8#
      • 2.Qd5#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qe6#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Kd7!
  • Keys
    • 1.b7!
      • 1...Kxc7
        • 2.b8Q#
      • 1...Se4
        • 2.Se8#
      • 1...Sg4
        • 2.Se8#
      • 1...Sd5
        • 2.Se8#
      • 1...Sh5
        • 2.Se8#
      • 1...Sd7
        • 2.Se8#
      • 1...Sh7
        • 2.Se8#
      • 1...Se8
        • 2.Sxe8#
      • 1...Sg8
        • 2.Se8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • S(b);N_GUARD::QAR1(B),XS(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);S_FLIGHT,XS(D)::P=Q
      • S(b);N_GUARD::S(D)
      • S(b);N_GUARD::S(D),XS(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).