MESON Chess Problem Database

Problem Display
PID: 268057 (8/Q7/8/4k3/4B3/5K2/7R/8 w - - 0 1)

Nagovitsin, Eduard Nikolaevich

Mosiashvili-75 JT (Kudesnik), 2022

8/Q7/8/4k3/4B3/5K2/7R/8

#2

4 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qc7+?
      • 1...Kd4
        • 2.Rd2#
      • 1...Ke6
        • 2.Rh6#
      • 1...Kf6!
    • 1.Qg7+?
      • 1...Ke6
        • 2.Rh6#
      • 1...Kd6!
  • Keys
    • 1.Rh7!
      • 1...Kd6
        • 2.Qe7#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::R(A)
        • K(a);N_GUARD,P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(D)
      • K(a);N_GUARD,P-FLIGHT::QAR1(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).