MESON Chess Problem Database

Problem Display
PID: 208179 (8/1p1Q1p2/1P3P2/3p4/2NkN3/3p4/8/3K4 w - - 0 1)

Taylor, George W

Dubuque Chess Journal, 1875

8/1p1Q1p2/1P3P2/3p4/2NkN3/3p4/8/3K4

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qa4#
    • 1...Kxe4
      • 2.Qg4#
  • Tries
    • 1.Kc1?
      • 1...Kxc4
        • 2.Qa4#
      • 1...Kxe4
        • 2.Qg4#
      • 1...d2+!
    • 1.Ke1?
      • 1...Kxc4
        • 2.Qa4#
      • 1...Kxe4
        • 2.Qg4#
      • 1...d2+!
  • Keys
    • 1.Kd2!
      • 1...Kxc4
        • 2.Qa4#
      • 1...Kxe4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(B)::QAR2(F)
    • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(C)::QAR2(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(B)::QAR2(F)
        • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(C)::QAR2(F)
      • Refutation
        • P(a);CHECK
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(B)::QAR2(F)
        • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(C)::QAR2(F)
      • Refutation
        • P(a);CHECK
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(B)::QAR2(F)
      • K(b);N_SPINP(c),OGATEB,P-FLIGHT,XS(C)::QAR2(F)
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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).