MESON Chess Problem Database

Problem Display
PID: 163887 (1K6/8/7B/4k3/8/5P2/B7/7Q w - - 0 1)

Kakovin, Aleksandr Sergeyevich

Novi Temi, 1975

1K6/8/7B/4k3/8/5P2/B7/7Q

#2

5 + 1

5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kf6
        • 2.Qe6#
      • 1...Kd6!
    • 1.Qg1?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kd6!
    • 1.Qh4?
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qg5#

Anticipated by 4594(1881)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);OGATE,P-FLIGHT::QAB1(A)
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR1(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).