MESON Chess Problem Database

Problem Display
PID: 181154 (5B2/8/8/8/3k4/3p4/3N4/1Q1K4 w - - 0 1)

Henry, Eugene

The Times, 1904

5B2/8/8/8/3k4/3p4/3N4/1Q1K4

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Bg7#
      • 2.Qa1#
      • 2.Qb4#
  • Tries
    • 1.Bd6?
      • 1...Kc3
        • 2.Be5#
        • 2.Qa1#
        • 2.Qb4#
      • 1...Ke3
        • 2.Qb6#
      • 1...Kd5!
    • 1.Qb4+?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kd5
        • 2.Qd6#
        • 2.Qe4#
      • 1...Ke5!
    • 1.Qb5?
      • threat
        • 2.Qc5#
      • 1...Kc3
        • 2.Bg7#
        • 2.Qb4#
        • 2.Qe5#
      • 1...Ke3!
    • 1.Qb6+?
      • 1...Kc3
        • 2.Bg7#
        • 2.Qb4#
        • 2.Qf6#
      • 1...Kd5
        • 2.Qd6#
      • 1...Ke5!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Bg7#
        • 2.Qe5#
        • 2.Qb4#
      • 1...Ke3
        • 2.Bc5#
      • 1...Kd5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::B(D)
      • K(b);P-FLIGHT::QAR1(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).