MESON Chess Problem Database

Problem Display
PID: 274774 (8/8/4p3/4K3/1p1R4/2k5/8/bQ6 w - - 0 1)

Sutter, Alfred Ernst

Zurcher Woche, 1957

8/8/4p3/4K3/1p1R4/2k5/8/bQ6

#2

3 + 4

15601 Albrecht-Leiss-Degener Collection 2024
3713 Snap 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qd3#
    • 1...b3
      • 2.Qc1#
  • Tries
    • 1.Ke4?
      • 1...Bb2
        • 2.Qd3#
      • 1...b3
        • 2.Qc1#
      • 1...e5!
    • 1.Qd1?
      • 1...b3
        • 2.Qc1#
        • 2.Qd2#
      • 1...Bb2
        • 2.Qd3#
      • 1...Kb2!
  • Keys
    • 1.Qa2!
      • 1...Bb2
        • 2.Qc4#
      • 1...b3
        • 2.Qd2#

Anticipated by 157463(1946)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAR1(A)
    • P(c);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • B(a);SBLOCK::QAR1(A)
        • P(c);SBLOCK::QAR2(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Vars
        • B(a);SBLOCK::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • B(a);SBLOCK::QAR1(A)
      • P(c);SBLOCK::QAB1(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).