MESON Chess Problem Database

Problem Display
PID: 184097 (8/3N4/2P1n3/1P1k1B2/K5Q1/8/8/8 w - - 0 1)

Salthouse, Thomas

British Chess Magazine, 1916

8/3N4/2P1n3/1P1k1B2/K5Q1/8/8/8

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qd1+?
      • 1...Kc4
        • 2.Qd3#
      • 1...Sd4!
    • 1.Qf3+?
      • 1...Kc4
        • 2.Qd3#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd6!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Be4#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sd4
        • 2.Qc5#
      • 1...Sf4
        • 2.Qc5#
      • 1...Sg5
        • 2.Qc5#
      • 1...Sc7
        • 2.Qc5#
      • 1...Sg7
        • 2.Qc5#
      • 1...Sd8
        • 2.Qc5#
      • 1...Sf8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • B(D)
    • Vars
      • S(b);CHECK,N_GUARD::QAR1(B),XS(b)
      • S(b);N_GUARD::QAR1(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).