MESON Chess Problem Database

Problem Display
PID: 2742 (2KnN3/1p3p2/1P3B2/3k4/p2P2P1/p2N4/P2P4/Q4B2 w - - 0 1)

Thursby, John Ormerod Scarlett

Source?, 0000

2KnN3/1p3p2/1P3B2/3k4/p2P2P1/p2N4/P2P4/Q4B2

#2

11 + 6

3357 75 Chess Problems 1883

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sf4#
  • Tries
    • 1.Sb4+?
      • 1...Ke6
        • 2.Bc4#
        • 2.Qe1#
        • 2.d5#
      • 1...Ke4!
    • 1.Bg2+?
      • 1...Ke6
        • 2.Sf4#
        • 2.Sc5#
        • 2.Qe1#
        • 2.d5#
      • 1...Kc4!
    • 1.Qc3?
      • 1...Ke4
        • 2.Bg2#
      • 1...Ke6
        • 2.Sf4#
        • 2.Qc4#
      • 1...Se6
        • 2.Bg2#
      • 1...Sc6!
  • Keys
    • 1.Qb1!
      • 1...Kc4
        • 2.Sb4#
        • 2.Sf4#
      • 1...Ke4
        • 2.Bg2#
      • 1...Kc6
        • 2.Bg2#
      • 1...Ke6
        • 2.Sf4#
      • 1...Sc6
        • 2.Sf4#
      • 1...Se6
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::B(B)
        • S(f);SBLOCK::B(B)
      • Refutation
        • S(f);
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::B(B)
      • K(c);S_FLIGHT::S(E)
      • S(f);SBLOCK::S(E)
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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).