MESON Chess Problem Database

Problem Display
PID: 208739 (3k4/3pp3/K7/2B5/7Q/8/8/8 w - - 0 1)

Fleischmann, Bianca

Dubuque Chess Journal, 1875

3k4/3pp3/K7/2B5/7Q/8/8/8

#2

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.Qxe7#
  • Tries
    • 1.Kb7?
      • threat
        • 2.Qxe7#
        • 2.Qh8#
      • 1...Ke8
        • 2.Qxe7#
      • 1...d5
        • 2.Qxe7#
      • 1...d6!
    • 1.Bb6+?
      • 1...Kc8
        • 2.Qh8#
      • 1...Ke8!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qh8#
      • 1...Kc8
        • 2.Qh8#
      • 1...Ke8
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(b),P-FLIGHT::QAR1(A),XP(b)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(A),XP(b)
        • P(a);::QAB1(A),XP(b)
      • Refutation
        • P(a);
    • Try
      • B(B);CHECK
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR(A)
      • Refutation
        • K(c);N_SPINP(b),P-FLIGHT
  • Actual
    • B(B);
    • Threat
      • QAR(A)
    • Vars
      • K(c);N_SPINP(b),P-FLIGHT::QAR(A)
      • K(c);N_SPINP(b),P-FLIGHT::QAR1(A),XP(b)
HTML5 logo

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).