MESON Chess Problem Database

Problem Display
PID: 31192 (5b2/7Q/5p1q/3K1pN1/5BR1/4p3/4P3/7k w - - 0 1)

Trcala, Stanislav

Tijdschrift vd NSB, 1904

5b2/7Q/5p1q/3K1pN1/5BR1/4p3/4P3/7k

#2

6 + 6

3437 Stanislav Trcala Sachovy odkaz 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Qh2
      • 2.Qxh2#
    • 1...Qh3
      • 2.Qxh3#
    • 1...Qh4
      • 2.Qxh4#
    • 1...Qh5
      • 2.Qxh5#
    • 1...Ba3
      • 2.Qxh6#
    • 1...Bb4
      • 2.Qxh6#
    • 1...Bc5
      • 2.Qxh6#
    • 1...Bd6
      • 2.Qxh6#
    • 1...Be7
      • 2.Qxh6#
  • Keys
    • 1.Sh3!
      • threat
        • 2.Rg1#
      • 1...Qxf4
        • 2.Sf2#
      • 1...Qxh3
        • 2.Qxh3#
      • 1...fxg4
        • 2.Qe4#
      • 1...Qg5
        • 2.Sf2#
      • 1...Qg7
        • 2.Sf2#
      • 1...Qg6
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 8
  • Sets
    • Q(e);OGATE::QAR1(F),XQ(e)
    • Q(e);OGATE::QAR2(F),XQ(e)
    • Q(e);OGATE::QAR(F),XQ(e)
    • B(f);N_GUARD,SBLOCK::QAR(F),XQ(e)
    • B(f);N_GUARD::QAR(F),XQ(e)
  • Actual
    • S(E);N_PINQ(e)
    • Threat
      • R1(C)
    • Vars
      • Q(e);XB(B)::QAR(F)+S(E),DCHECK
      • Q(e);OGATE,P_SPINQ(e),XS(E)::QAR2(F),XQ(e)
      • P(c);OGATE,XR(C)::QAB(F)
      • Q(e);::QAR(F)+S(E),DCHECK
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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).