MESON Chess Problem Database

Problem Display
PID: 257506 (4Q3/2p5/2N1P3/2Pk4/3NnPr1/B1nP3B/8/K1R5 w - - 0 1)

Onkoud, Abdelaziz

Phenix, 2021

4Q3/2p5/2N1P3/2Pk4/3NnPr1/B1nP3B/8/K1R5

#2

11 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Qd7#
      • 2.Qd8#
    • 1...Sf2
      • 2.Qd7#
      • 2.Qd8#
    • 1...Sg3
      • 2.Qd7#
      • 2.Qd8#
    • 1...Sg5
      • 2.Qd7#
      • 2.Qd8#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Se3#
      • 1...Rg3
        • 2.Se7#
      • 1...Sd1
        • 2.S2b4#
      • 1...Sxc5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se3#
      • 1...Sxc5
        • 2.Sb4#
      • 1...Rg3
        • 2.Sfe7#
      • 1...Sd1
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • R(c);::S(I)
        • S(a);::S(F)
      • Refutation
        • S(b);XP(H)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • S(b);SBLOCK,XP(H)::S(I)
      • R(c);::S(F)
      • S(a);::S(I)
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).