MESON Chess Problem Database

Problem Display
PID: 207001 (8/8/6K1/2B5/5p2/6kN/4Q3/8 w - - 0 1)

Anonymous

New York Clipper, 1859

8/8/6K1/2B5/5p2/6kN/4Q3/8

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg1?
      • 1...Kh4
        • 2.Bf2#
      • 1...f3!
    • 1.Sg5?
      • 1...Kh4
        • 2.Bf2#
      • 1...f3!
    • 1.Qf3+?
      • 1...Kh2
        • 2.Bg1#
      • 1...Kh4
        • 2.Bf2#
        • 2.Be7#
      • 1...Kxf3!
    • 1.Qg2+?
      • 1...Kh4
        • 2.Bf2#
        • 2.Be7#
      • 1...Kxg2!
  • Keys
    • 1.Sxf4!
      • 1...Kxf4
        • 2.Bd6#
      • 1...Kh4
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • S(B);XP(b)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(B)::B(C)
      • K(a);S_FLIGHT::B(C)
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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).