MESON Chess Problem Database

Problem Display
PID: 132644 (4B3/1p6/1B4p1/p2N2P1/P1p1p3/3k4/8/3K4 w - - 0 1)

Koltanowski, George

Source?, 0000

4B3/1p6/1B4p1/p2N2P1/P1p1p3/3k4/8/3K4

#2

6 + 6

2425 San Francisco Chronicle 0000

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Bb5#
    • 1...e3
      • 2.Bxg6#
  • Tries
    • 1.Se3?
      • 1...c3
        • 2.Bb5#
      • 1...Kc3!
    • 1.Bd7?
      • 1...c3
        • 2.Bb5#
      • 1...e3!
  • Keys
    • 1.Bf7!
      • 1...c3
        • 2.Sf4#
      • 1...e3
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::B(F)
    • P(c);OGATEB::B(F),XP(e)
  • Tries
    • Try
      • S(C);
      • Vars
        • P(b);OGATEB,SBLOCK::B(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(F);
      • Vars
        • P(b);OGATEB::B(F)
      • Refutation
        • P(c);
  • Actual
    • B(F);
    • Vars
      • P(b);SBLOCK::S(C)
      • P(c);OGATEB::B(F),XP(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).