MESON Chess Problem Database

Problem Display
PID: 245538 (8/7Q/6K1/8/5b2/BkN5/8/1N6 w - - 0 1)

Shumarin, Vladimir Pavlovich

Kudesnik, 2007

8/7Q/6K1/8/5b2/BkN5/8/1N6

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qb7+?
      • 1...Kc4
        • 2.Qd5#
      • 1...Kc2!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qa4#
      • 1...Kc2
        • 2.Qd1#
      • 1...Kc4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT::QAB1(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).