MESON Chess Problem Database

Problem Display
PID: 189439 (8/4Q3/B7/3kN3/8/8/6K1/8 w - - 0 1)

Mullner, Anton

Das neue illustrierte Blatt, 1911

8/4Q3/B7/3kN3/8/8/6K1/8

#2

4 + 1

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6!
    • 1.Sc4?
      • 1...Kc6
        • 2.Qd6#
      • 1...Kd4!
    • 1.Sg4?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6!
    • 1.Sg6?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6!
    • 1.Sd7?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6!
  • Keys
    • 1.Sf7!
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6
        • 2.Qd6#

This anticipates 177759(1990)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAB1(D)
      • K(a);S_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).