MESON Chess Problem Database

Problem Display
PID: 208781 (3k1K2/N2p2p1/2n3Qp/3p4/8/8/1B6/8 w - - 0 1)

Seymour, Robert Hoe

Dubuque Chess Journal, 1876

3k1K2/N2p2p1/2n3Qp/3p4/8/8/1B6/8

#2

4 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Qb6#
    • 1...Sd4
      • 2.Qb6#
    • 1...Sa5
      • 2.Qb6#
    • 1...Se5
      • 2.Qb6#
    • 1...Se7
      • 2.Qb6#
    • 1...Sb8
      • 2.Qb6#
    • 1...d6
      • 2.Qxd6#
  • Tries
    • 1.Qxc6?
      • threat
        • 2.Qb6#
        • 2.Qc8#
      • 1...d6
        • 2.Qxd6#
        • 2.Qc8#
      • 1...dxc6!
  • Keys
    • 1.Be5!
      • threat
        • 2.Qe8#
      • 1...Sxe5
        • 2.Qb6#
      • 1...d6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • S(b);OGATE::QAB(B)
    • P(d);OGATEB::QAR2(B),XP(d)
  • Tries
    • Try
      • Q(B);XS(b)
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);XQ(B)
  • Actual
    • B(A);
    • Threat
      • QAR1(B)
    • Vars
      • S(b);OGATE,XB(A)::QAB(B)
      • P(d);OGATEB::QAR2(B),XP(d)
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).