MESON Chess Problem Database

Problem Display
PID: 283396 (8/pN1Q4/1k6/8/3K4/8/8/8 w - - 0 1)

Zimmer, Eligiusz

Sachmatija, 2025

8/pN1Q4/1k6/8/3K4/8/8/8

#2

3 + 2

5454 Near Snap 2026
3713 Snap 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Ka6
      • 2.Qc6#
  • Keys
    • 1.Sd6!
      • 1...Ka5
        • 2.Qb5#
      • 1...Ka6
        • 2.Qb5#
      • 1...a6
        • 2.Sc4#
      • 1...a5
        • 2.Qb7#

Anticipated by 23679(1928), 157315(1983)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,P-FLIGHT::QAR2(C)
  • Actual
    • S(B);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(C)
      • K(a);N_GUARD,P-FLIGHT::QAB1(C)
      • P(b);SBLOCK::S(B)
      • P(b);SBLOCK::QAR1(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).