MESON Chess Problem Database

Problem Display
PID: 96718 (8/8/Q7/2k1P3/2p3N1/2K5/8/8 w - - 0 1)

Stewart, John

The Chess Problem, 1944

8/8/Q7/2k1P3/2p3N1/2K5/8/8

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxc4#
  • Tries
    • 1.Qa4?
      • 1...Kd5
        • 2.Qxc4#
      • 1...Kb6!
  • Keys
    • 1.Sf2!
      • 1...Kd5
        • 2.Qd6#

FEATURES

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