MESON Chess Problem Database

Problem Display
PID: 23072 (8/8/1B2p3/8/4kpQ1/5N2/1K6/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/8/1B2p3/8/4kpQ1/5N2/1K6/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5+?
      • 1...Kd5
        • 2.Qxe6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...Kd3!
  • Keys
    • 1.Sd4!
      • 1...Kd3
        • 2.Qe2#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Qxe6#
      • 1...Ke5
        • 2.Qxe6#
      • 1...e5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAB1(C),XP(c)
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(C),XP(c)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);N_SPINP(b),S_FLIGHT::QAB1(C)
      • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
      • K(a);N_SPINP(b),S_FLIGHT::QAB1(C),XP(c)
      • K(a);N_SPINP(b),P-FLIGHT::QAR1(C),XP(c)
      • P(c);SBLOCK::QAB1(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).