MESON Chess Problem Database

Problem Display
PID: 100771 (6Q1/8/3B3p/3B3P/3k4/3p4/8/3K4 w - - 0 1)

Kosek, Wojtech

Narodni listy, 1904

6Q1/8/3B3p/3B3P/3k4/3p4/8/3K4

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qg7#
      • 2.Qh8#
    • 1...Ke3
      • 2.Qg1#
  • Tries
    • 1.Qe6?
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qe5#
        • 2.Qf6#
      • 1...d2!
    • 1.Qf7?
      • 1...Kc3
        • 2.Qf6#
        • 2.Qg7#
      • 1...Ke3
        • 2.Bc5#
        • 2.Qf4#
        • 2.Qa7#
      • 1...d2!
    • 1.Qg1+?
      • 1...Kc3
        • 2.Qg7#
      • 1...Kxd5!
    • 1.Qg4+?
      • 1...Kc3
        • 2.Be5#
        • 2.Qb4#
        • 2.Qg7#
      • 1...Ke3
        • 2.Bc5#
        • 2.Qg1#
        • 2.Qf4#
      • 1...Kxd5!
    • 1.Qg5?
      • threat
        • 2.Qe5#
      • 1...Kc3
        • 2.Qf6#
        • 2.Qe5#
        • 2.Qg7#
      • 1...d2
        • 2.Qxd2#
      • 1...hxg5!
    • 1.Qg7+?
      • 1...Ke3
        • 2.Qg1#
        • 2.Qa7#
      • 1...Kxd5!
    • 1.Qa8?
      • 1...Kc3
        • 2.Qa1#
        • 2.Qh8#
      • 1...Ke3
        • 2.Qa7#
      • 1...d2!
  • Keys
    • 1.Qg2!
      • 1...Kc3
        • 2.Qg7#
      • 1...Ke3
        • 2.Qg1#
      • 1...d2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Refutation
        • P(a);
    • Try
      • Q(E);
      • Refutation
        • P(a);
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • K(b);P-FLIGHT,XB(B)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XB(B)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • P(a);OGATEB::QAR2(E),XP(a)
      • Refutation
        • P(c);XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XB(B)
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAB(E)
      • Refutation
        • P(a);
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::QAB(E)
      • P(a);OGATEB::QAR2(E),XP(a)
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).