MESON Chess Problem Database

Problem Display
PID: 231579 (8/3p1p2/8/5k2/3Q1B2/5P2/5K2/8 w - - 0 1)

Bach, Karoly

Zaszlonk, 1927

8/3p1p2/8/5k2/3Q1B2/5P2/5K2/8

#2

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qe5#
    • 1...f6
      • 2.Qe4#
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxf7#
      • 1...Kxf4
        • 2.Qf6#
      • 1...Ke6
        • 2.Qe5#
      • 1...f6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
    • P(c);SBLOCK::QAB1(C)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C),XP(c)
    • Vars
      • K(a);P-FLIGHT,XB(D)::QAR2(C)
      • K(a);S_FLIGHT::QAR1(C)
      • P(c);SBLOCK::QAB1(C)
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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).