MESON Chess Problem Database

Problem Display
PID: 287549 (8/5K2/6pN/7k/8/8/3Q3P/8 w - - 0 1)

Zimmer, Eligiusz

Problem Paradise, 2022

8/5K2/6pN/7k/8/8/3Q3P/8

#2

4 + 2

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Tries
    • 1.Kf6?
      • threat
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
      • 1...Kh4!
    • 1.Qe3?
      • 1...g5
        • 2.Qh3#
      • 1...Kh4!
    • 1.Qd8?
      • 1...Kxh6
        • 2.Qh4#
      • 1...g5!
    • 1.h4?
      • threat
        • 2.Qg5#
      • 1...g5
        • 2.Qxg5#
      • 1...Kxh4!
  • Keys
    • 1.Qg2!
      • 1...Kh4
        • 2.Qg4#
      • 1...Kxh6
        • 2.Qxg6#
      • 1...g5
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAR1(A)
      • Vars
        • P(b);::QAR1(A),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);N_GUARD,P-FLIGHT,XS(C)::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • P(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(b);::QAR1(A),XP(b)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
  • Actual
    • Q(A);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAR1(A)
      • K(a);N_GUARD,P-FLIGHT,XS(C)::QAR1(A),XP(b)
      • P(b);SBLOCK::QAR2(A)
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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).