MESON Chess Problem Database

Problem Display
PID: 173681 (8/2N5/3Q4/5p2/4k3/4p3/4K3/8 w - - 0 1)

Boros, Sandor

Source?, 0000

8/2N5/3Q4/5p2/4k3/4p3/4K3/8

#2

3 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qd5#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qxe3#
      • 1...f4
        • 2.Qd5#
      • 1...Kf4!
  • Keys
    • 1.Sb5!
      • 1...f4
        • 2.Qe6#

There are these versions: 173595

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAB1(B)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • P(c);SBLOCK::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • P(c);SBLOCK::QAR2(B)
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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).