MESON Chess Problem Database

Problem Display
PID: 182253 (8/8/K5P1/8/8/4B3/3P4/Q1NkN3 w - - 0 1)

Brunner, Erich Anselm

Leipziger Tageblatt, 1906

8/8/K5P1/8/8/4B3/3P4/Q1NkN3

#2

7 + 1

6490 yacpdb 2018
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Qd4?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1!
    • 1.Qe5?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1!
    • 1.Qf6?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1!
    • 1.Qg7?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1!
    • 1.Qa2?
      • 1...Kxc1
        • 2.Qa1#
        • 2.Qc2#
      • 1...Kxe1!
    • 1.Qa4+?
      • 1...Kxc1
        • 2.Qc2#
        • 2.Qa1#
      • 1...Kxe1!
    • 1.Qa5?
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1!
  • Keys
    • 1.Qh8!
      • 1...Kxc1
        • 2.Qa1#
      • 1...Kxe1
        • 2.Qh1#

This anticipates 266850(2022)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(B)::QAR2(A)
      • K(a);OGATEB,P-FLIGHT,XS(C)::QAR(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).