MESON Chess Problem Database

Problem Display
PID: 69896 (8/4k1p1/6Q1/1B4K1/8/8/8/8 w - - 0 1)

Berkovec, Jan

Tyden rozhlasu, 1943

8/4k1p1/6Q1/1B4K1/8/8/8/8

#2

3 + 2

5584 Galerie Ceskoslovenskych Skladatelu 01 2001
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Qe8#
  • Tries
    • 1.Kf4?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Kg4?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Kh4?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Kf5?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Kh5?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Ba4?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Bc6?
      • 1...Kf8
        • 2.Qe8#
      • 1...Kd8!
    • 1.Be8?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kd8!
    • 1.Qf5?
      • 1...Kd8
        • 2.Qd7#
      • 1...g6
        • 2.Qf6#
      • 1...Kd6!
    • 1.Qe6+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8
        • 2.Qe8#
      • 1...Kxe6!
  • Keys
    • 1.Qc6!
      • 1...Kf7
        • 2.Qe8#
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8
        • 2.Qe8#
      • 1...g6
        • 2.Qf6#

This anticipates 233016(2009)

FEATURES

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