MESON Chess Problem Database

Problem Display
PID: 103462 (8/8/8/1Q6/3PNKN1/7k/7P/8 w - - 0 1)

Banaszek, Marcin

Mat, 1987

8/8/8/1Q6/3PNKN1/7k/7P/8

#2

6 + 1

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • 1...Kg2
        • 2.Qf1#
      • 1...Kh4!
    • 1.Sef2+?
      • 1...Kh4
        • 2.Qg5#
      • 1...Kg2!
    • 1.Sef6?
      • 1...Kh4
        • 2.Qh5#
      • 1...Kg2!
    • 1.Qa6?
      • 1...Kh4
        • 2.Qh6#
      • 1...Kg2!
    • 1.Qc6?
      • 1...Kh4
        • 2.Qh6#
      • 1...Kg2!
    • 1.Qd7?
      • 1...Kh4
        • 2.Qh7#
      • 1...Kg2!
    • 1.Qe8?
      • 1...Kh4
        • 2.Qh8#
      • 1...Kg2!
    • 1.Qe5?
      • 1...Kh4
        • 2.Qh8#
      • 1...Kg2!
    • 1.Qf5?
      • 1...Kh4
        • 2.Qh7#
      • 1...Kg2!
    • 1.Qb6?
      • 1...Kh4
        • 2.Qh6#
      • 1...Kg2!
    • 1.Qb7?
      • 1...Kh4
        • 2.Qh7#
      • 1...Kg2!
    • 1.Qb8?
      • 1...Kh4
        • 2.Qh8#
      • 1...Kg2!
  • Keys
    • 1.Sg3!
      • 1...Kg2
        • 2.Qf1#
      • 1...Kh4
        • 2.Qh5#

Anticipated by 11878(1973)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);P-FLIGHT::QAR1(F)
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).