MESON Chess Problem Database

Problem Display
PID: 189500 (8/4R3/2P5/p2p4/p1P5/kr2pQK1/p7/B7 w - - 0 1)

Semerad, Bohumil

Pravo lidu, 1911

8/4R3/2P5/p2p4/p1P5/kr2pQK1/p7/B7

#2

6 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Qf8!
      • threat
        • 2.Rxe3#
      • 1...e2+
        • 2.Re3#
      • 1...Kb4
        • 2.Re4#
      • 1...Rc3
        • 2.Rb7#
      • 1...Rd3
        • 2.Rb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+R(F),XP(d)
    • Vars
      • P(d);CHECK::QAB(B)+R(F)
      • K(b);S_FLIGHT::QAB(B)+R(F)
      • R(c);N_GUARD::QAB(B)+R(F)
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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).