MESON Chess Problem Database

Problem Display
PID: 110504 (1N6/1k6/1P2K3/6B1/2N5/8/1Q6/8 w - - 0 1)

Kardos, Tivadar

Pajtas, 1965

1N6/1k6/1P2K3/6B1/2N5/8/1Q6/8

#2

6 + 1

6490 yacpdb 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Sa5+?
      • 1...Kxb8
        • 2.Qh8#
      • 1...Kc8
        • 2.Qh8#
      • 1...Ka8!
    • 1.Sd6+?
      • 1...Kxb8
        • 2.Qh8#
      • 1...Ka8!
    • 1.Sa6?
      • 1...Kc6
        • 2.Sa5#
      • 1...Ka8
        • 2.Qg2#
      • 1...Kc8
        • 2.Sd6#
        • 2.b7#
      • 1...Kxa6!
    • 1.Bf4?
      • 1...Ka8
        • 2.Qg2#
      • 1...Kc8!
    • 1.Qe5?
      • 1...Kc8
        • 2.Qc7#
      • 1...Ka8!
    • 1.Qg7+?
      • 1...Ka8
        • 2.Qa7#
      • 1...Kc8
        • 2.Qc7#
      • 1...Kxb8!
    • 1.Qh2?
      • 1...Kc8
        • 2.Qc7#
      • 1...Ka8!
  • Keys
    • 1.Sd7!
      • 1...Ka6
        • 2.Sc5#
      • 1...Kc6
        • 2.Sa5#
      • 1...Ka8
        • 2.Qg2#
      • 1...Kc8
        • 2.Sd6#

Anticipated by 114(1930)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(F)::QAR(A)
        • K(a);S_FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(F)::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::S(B)
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XS(F)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(F)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::QAB(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).