MESON Chess Problem Database

Problem Display
PID: 156604 (1N6/Bp6/P7/k7/3N4/1K6/8/8 w - - 0 1)

Lukashev, Viktor Sergeevich

Best Problems, 2006

1N6/Bp6/P7/k7/3N4/1K6/8/8

#2

5 + 2

3713 Snap 2016

SOLUTION

  • SOUND
  • Sets
    • 1...bxa6
      • 2.Sbc6#
    • 1...b5
      • 2.Sdc6#
  • Tries
    • 1.Ka3?
      • 1...bxa6
        • 2.Sbc6#
      • 1...b5
        • 2.Sb3#
        • 2.Sdc6#
      • 1...b6!
  • Keys
    • 1.Bc5!
      • 1...bxa6
        • 2.Sbc6#
      • 1...b5
        • 2.Sdc6#
      • 1...b6
        • 2.Bb4#

Anticipated by 38007(1996)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD,SBLOCK,XP(C)::S(E)
    • P(b);N_GUARD,SBLOCK::S(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD,SBLOCK,XP(C)::S(E)
      • Refutation
        • P(b);
  • Actual
    • B(D);
    • Vars
      • P(b);N_GUARD,SBLOCK,XP(C)::S(E)
      • P(b);N_GUARD,SBLOCK::S(B)
      • P(b);SBLOCK::B(D)
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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).