MESON Chess Problem Database

Problem Display
PID: 273945 (8/8/BQ1N4/1P6/1k6/8/2K5/8 w - - 0 1)

Zimmer, Eligiusz

Suomen Tehtavaniekat, 2000

8/8/BQ1N4/1P6/1k6/8/2K5/8

#2

5 + 1

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Qa5#
  • Tries
    • 1.Sc4?
      • 1...Ka4
        • 2.Qa5#
      • 1...Kxc4!
    • 1.Se4?
      • 1...Ka3
        • 2.Qa5#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ka4!
    • 1.Sf5?
      • 1...Ka3
        • 2.Qa5#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ka4!
    • 1.Bb7?
      • 1...Ka3
        • 2.Qa5#
      • 1...Ka4!
    • 1.Bc8?
      • 1...Ka3
        • 2.Qa5#
      • 1...Ka4!
    • 1.Qd4+?
      • 1...Ka5
        • 2.Sb7#
      • 1...Ka3!
    • 1.Qc7?
      • 1...Ka3
        • 2.Qa5#
      • 1...Ka4!
  • Keys
    • 1.Sb7!
      • 1...Ka3
        • 2.Qa5#
      • 1...Ka4
        • 2.Qa5#
      • 1...Kc4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::QAR2(D)
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,XS(E)
    • Try
      • S(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR2(D)
        • K(a);N_GUARD,P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR2(D)
        • K(a);N_GUARD,P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR2(D)
      • K(a);N_GUARD,P-FLIGHT::QAR1(D)
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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).