MESON Chess Problem Database

Problem Display
PID: 45862 (8/3B4/8/B7/4R3/8/2k2K2/5Q2 w - - 0 1)

Wester, Anders Emil

Source?, 0000

8/3B4/8/B7/4R3/8/2k2K2/5Q2

#2

5 + 1

4885 Amatorproblem 1976

SOLUTION

  • SOUND
  • Tries
    • 1.Bb4?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kb2!
    • 1.Ra4?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kb2!
    • 1.Rb4?
      • 1...Kd2
        • 2.Rb2#
        • 2.Rc4#
      • 1...Kc3!
    • 1.Qb5?
      • 1...Kd1
        • 2.Qb1#
      • 1...Kc1!
    • 1.Qc1+?
      • 1...Kb3
        • 2.Be6#
      • 1...Kd3
        • 2.Qb1#
        • 2.Qc4#
      • 1...Kxc1!
  • Keys
    • 1.Qa1!
      • 1...Kb3
        • 2.Ba4#
      • 1...Kd3
        • 2.Qb1#

FEATURES

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