Problem Display
PID: 47253 (8/8/8/8/2K1Q2B/8/8/5k2 w - - 0 1)

Fulpius, Jaques

Tribune de Geneve, 1968

8/8/8/8/2K1Q2B/8/8/5k2

#2

3 + 1


4883 Still More Fun with Chess Miniatures 2002
3713 Snap 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qb1+?
      • 1...Ke2
        • 2.Qd3#
      • 1...Kg2!
    • 1.Qd5?
      • 1...Ke2
        • 2.Qd3#
      • 1...Kg1!
    • 1.Qd4?
      • threat
        • 2.Qf2#
      • 1...Ke2
        • 2.Qd3#
      • 1...Kg2!
  • Keys
    • 1.Qg6!
      • 1...Ke2
        • 2.Qd3#

Anticipated by 64083(1914)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)


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).