MESON Chess Problem Database

Problem Display
PID: 213159 (5Nk1/4Kp2/8/5P2/7P/8/8/Q7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1972

5Nk1/4Kp2/8/5P2/7P/8/8/Q7

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kd6?
      • 1...Kxf8
        • 2.Qh8#
      • 1...f6!
    • 1.Kd7?
      • 1...Kxf8
        • 2.Qh8#
      • 1...f6!
    • 1.Kd8?
      • 1...Kxf8
        • 2.Qh8#
      • 1...f6!
  • Keys
    • 1.Kf6!
      • 1...Kxf8
        • 2.Qa8#
      • 1...Kh8
        • 2.Kxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT,XS(E)::QAR2(A)
      • Refutation
        • P(a);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT,XS(E)::QAR2(A)
      • Refutation
        • P(a);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT,XS(E)::QAR2(A)
      • Refutation
        • P(a);
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • K(b);OGATEB,P-FLIGHT,XS(E)::QAR(A)
      • K(b);P-FLIGHT::QAB(A)+K(D),XP(a)
HTML5 logo

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).