MESON Chess Problem Database

Problem Display
PID: 219435 (4N3/8/8/3p4/3k4/6N1/8/K1Q5 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1978

4N3/8/8/3p4/3k4/6N1/8/K1Q5

#2

4 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe3#
  • Tries
    • 1.Kb1?
      • 1...Ke5
        • 2.Qe3#
      • 1...Kd3!
    • 1.Ka2?
      • 1...Ke5
        • 2.Qe3#
      • 1...Kd3!
    • 1.Qa3?
      • 1...Ke5
        • 2.Qe3#
      • 1...Kc4!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Qc3#
      • 1...Kd3
        • 2.Qc3#
      • 1...Ke5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAB1(B)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAR2(B)
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).