MESON Chess Problem Database

Problem Display
PID: 124552 (8/6Q1/2pK4/1p1p4/2kp4/Pnp5/2P5/5N1B w - - 0 1)

Onkoud, Abdelaziz

Source?, 0000

8/6Q1/2pK4/1p1p4/2kp4/Pnp5/2P5/5N1B

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Se3#
    • 1...c5
      • 2.Bxd5#
  • Tries
    • 1.Qxd4+?
      • 1...Sxd4
        • 2.Se3#
      • 1...Kxd4!
  • Keys
    • 1.Qa7!
      • 1...b4
        • 2.Qa6#
      • 1...Sa1
        • 2.Qc5#
      • 1...Sc1
        • 2.Qc5#
      • 1...Sd2
        • 2.Qc5#
      • 1...Sa5
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...d3
        • 2.Se3#
      • 1...c5
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD::S(A)
    • P(g);N_GUARD::B(B),XP(f)
  • Tries
    • Try
      • Q(F);CHECK,XP(d)
      • Vars
        • S(a);SBLOCK,XQ(F)::S(A)
      • Refutation
        • K(c);P-FLIGHT,XQ(F)
  • Actual
    • Q(F);
    • Vars
      • P(e);OGATEB::QAB(F)
      • S(a);N_GUARD::QAR1(F)
      • S(a);N_GUARD::QAR1(F),XS(a)
      • P(d);N_GUARD::S(A)
      • P(g);N_GUARD::B(B),XP(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).