MESON Chess Problem Database

Problem Display
PID: 219858 (2Q4B/8/6p1/8/1N1Nk3/8/8/K7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1976

2Q4B/8/6p1/8/1N1Nk3/8/8/K7

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2+?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kf4!
  • Keys
    • 1.Sd5!
      • 1...Kd3
        • 2.Qc2#
      • 1...Kxd5
        • 2.Qc6#
      • 1...g5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);OGATEB,S_FLIGHT,XS(B)::QAB1(D)
      • P(b);N_GUARD::QAB1(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).