MESON Chess Problem Database

Problem Display
PID: 93569 (1B4Q1/p3p3/P3p3/3k4/1K6/1pPb4/8/1r4N1 w - - 0 1)

Chocolous, Jiri

Humoristicke listy, 1887

1B4Q1/p3p3/P3p3/3k4/1K6/1pPb4/8/1r4N1

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxe6#
    • 1...Kc6
      • 2.Qxe6#
    • 1...Bc4
      • 2.Qg2#
    • 1...Bb5
      • 2.Qg2#
    • 1...Bxa6
      • 2.Qg2#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qa8#
      • 1...Kc6
        • 2.Qxe6#
      • 1...Bxa6
        • 2.Qg2#
      • 1...Bb5
        • 2.Qg2#
      • 1...Ke4!
    • 1.Bc7?
      • threat
        • 2.Qa8#
      • 1...Ke4
        • 2.Qxe6#
      • 1...Bxa6
        • 2.Qg2#
      • 1...Bb5
        • 2.Qg2#
      • 1...Kc6!
  • Keys
    • 1.Bh2!
      • threat
        • 2.Qa8#
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kc6
        • 2.Qxe6#
      • 1...Bxa6
        • 2.Qg2#
      • 1...Bb5
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(d);N_SPINP(e),S_FLIGHT::QAR2(F),XP(e)
    • B(c);N_GUARD::QAB(F)
    • B(c);N_GUARD,XP(D)::QAB(F)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAB(F)
      • Vars
        • K(d);N_SPINP(e),S_FLIGHT::QAR2(F),XP(e)
        • B(c);N_GUARD,XP(D)::QAB(F)
        • B(c);N_GUARD::QAB(F)
      • Refutation
        • K(d);N_SPINP(e),S_FLIGHT
    • Try
      • B(E);
      • Threat
        • QAB(F)
      • Vars
        • K(d);N_SPINP(e),S_FLIGHT::QAR2(F),XP(e)
        • B(c);N_GUARD,XP(D)::QAB(F)
        • B(c);N_GUARD::QAB(F)
      • Refutation
        • K(d);N_SPINP(e),S_FLIGHT
  • Actual
    • B(E);
    • Threat
      • QAB(F)
    • Vars
      • K(d);N_SPINP(e),S_FLIGHT::QAR2(F),XP(e)
      • B(c);N_GUARD,XP(D)::QAB(F)
      • B(c);N_GUARD::QAB(F)
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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).