MESON Chess Problem Database

Problem Display
PID: 287424 (2N4Q/3k1p2/8/B4K2/P7/8/8/8 w - - 0 1)

Zimmer, Eligiusz

Problem Paradise, 2019

2N4Q/3k1p2/8/B4K2/P7/8/8/8

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Tries
    • 1.Sa7?
      • threat
        • 2.Qd8#
      • 1...Ke7
        • 2.Qd8#
      • 1...Kd6!
    • 1.Se7?
      • threat
        • 2.Qd8#
      • 1...Kxe7
        • 2.Qd8#
      • 1...Kd6!
    • 1.Qf6?
      • 1...Ke8
        • 2.Qe7#
        • 2.Qd8#
      • 1...Kxc8!
    • 1.Qg8?
      • 1...f6
        • 2.Qe6#
      • 1...Kc6!
  • Keys
    • 1.Qe5!
      • 1...Kc6
        • 2.Qb5#
      • 1...Kxc8
        • 2.Qc7#
      • 1...f6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(E);
      • Vars
        • P(b);OGATE::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • K(a);N_GUARD,S_FLIGHT,XS(D)::QAR1(E)
      • P(b);N_GUARD::QAB1(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).