MESON Chess Problem Database

Problem Display
PID: 196683 (8/4n3/2p5/2B4N/4k3/8/5Q2/1K6 w - - 0 1)

Friedlander, Louis

Chess Poetry, 1919

8/4n3/2p5/2B4N/4k3/8/5Q2/1K6

#2

4 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qc2#
  • Tries
    • 1.Sf6+?
      • 1...Kd3
        • 2.Qc2#
      • 1...Ke5!
  • Keys
    • 1.Sg7!
      • 1...Kd3
        • 2.Qc2#
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Sd5
        • 2.Qf5#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sg6
        • 2.Qf5#
      • 1...Sc8
        • 2.Qf5#
      • 1...Sg8
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAB1(B)
      • S(c);N_GUARD::QAB1(B)
      • S(c);N_GUARD::QAB1(B),XS(c)
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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).