MESON Chess Problem Database

Problem Display
PID: 102141 (8/8/3p4/p1b5/k3p3/Pp1B4/3p3Q/R2K4 w - - 0 1)

Skalik, Frantisek

Obrazkova Revue, 1900

8/8/3p4/p1b5/k3p3/Pp1B4/3p3Q/R2K4

#2

5 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qe8#
      • 1...Bxa3
        • 2.Qb5#
      • 1...b2!
    • 1.Qh7?
      • threat
        • 2.Qd7#
      • 1...Bxa3
        • 2.Qxe4#
      • 1...b2!
    • 1.Qh8?
      • threat
        • 2.Qe8#
      • 1...Bxa3
        • 2.Qd4#
      • 1...b2!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Bb5#
      • 1...Bxa3
        • 2.Qxe4#
      • 1...exd3
        • 2.Qe8#
      • 1...b2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • B(f);OGATE,P_SPINB(f),XP(D)::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • B(f);N_GUARD,P_SPINB(f),XP(D)::QAR(C),XP(d)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • B(f);N_GUARD,P_SPINB(f),XP(D)::QAR(C)
      • Refutation
        • P(b);
  • Actual
    • Q(C);
    • Threat
      • B(E)
    • Vars
      • B(f);N_GUARD,P_SPINB(f),XP(D)::QAR(C),XP(d)
      • P(d);OGATE,XB(E)::QAB(C)
      • P(b);OGATEB::B(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).