MESON Chess Problem Database

Problem Display
PID: 218037 (5N2/8/1K6/3k4/8/7Q/2P5/8 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1976

5N2/8/1K6/3k4/8/7Q/2P5/8

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qe6#
  • Tries
    • 1.Qg4?
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke5!
    • 1.Qf5+?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kd6
        • 2.Qe6#
        • 2.Qc5#
      • 1...Kd4!
    • 1.Qc3?
      • 1...Kd6
        • 2.Qc5#
      • 1...Ke4!
  • Keys
    • 1.Qe3!
      • 1...Kc4
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
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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).