MESON Chess Problem Database

Problem Display
PID: 161812 (1K4B1/8/7P/3Pk3/7P/8/2QP1N1P/8 w - - 0 1)

Akhaladze, Beka

ChessStar, 2015

1K4B1/8/7P/3Pk3/7P/8/2QP1N1P/8

#2

9 + 1

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Qe4#
    • 1...Kd6
      • 2.Qc7#
  • Tries
    • 1.Kb7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Kc7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf6!
    • 1.Kc8?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Be6?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Bf7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Qe4+?
      • 1...Kf6
        • 2.Sg4#
        • 2.Qe6#
      • 1...Kd6!
    • 1.Qg6?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qf6#
      • 1...Kd4!
    • 1.Qh7?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Sg4#
      • 1...Kd4!
    • 1.Qc3+?
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf5!
    • 1.Qc6?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qf6#
      • 1...Kf5!
    • 1.Qc8?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qe6#
      • 1...Kf4!
    • 1.h7?
      • 1...Kd4
        • 2.Qc3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
  • Keys
    • 1.d6!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(A)
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(H);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(H);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(F);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);OGATEB,S_FLIGHT,XP(F)::QAB1(A)
      • K(a);S_FLIGHT::S(C)
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).