MESON Chess Problem Database

Problem Display
PID: 121383 (6Q1/2K1p2B/4N3/3k4/6N1/2p5/8/7b w - - 0 1)

Soukup, Miroslav

Casopis ceskoslovenskych sachistu, 1922

6Q1/2K1p2B/4N3/3k4/6N1/2p5/8/7b

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5+?
      • 1...Kxe6
        • 2.Bg8#
        • 2.Qf5#
        • 2.Qg8#
      • 1...Kc4!
    • 1.Qa8+?
      • 1...Kxe6
        • 2.Qg8#
      • 1...Kc4!
    • 1.Qd8+?
      • 1...Kxe6
        • 2.Qg8#
      • 1...Kc4!
    • 1.Qe8?
      • threat
        • 2.Qc6#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Kc4!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qb3#
      • 1...Kc4
        • 2.Se3#
      • 1...Kxe6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(B)::QAB(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(B)::QAB(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(c);OGATEB,P_SPINP(d),S_FLIGHT,XS(B)::QAB(E)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • K(c);S_FLIGHT::S(A)
      • K(c);OGATEB,S_FLIGHT,XS(B)::QAB(E)
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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).