MESON Chess Problem Database

Problem Display
PID: 104325 (8/8/K2p4/1p6/p1k5/5Q2/3PN3/8 w - - 0 1)

Dukic, Milenko

Apprenti Sorcier, 1992

8/8/K2p4/1p6/p1k5/5Q2/3PN3/8

#2

4 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qc3#
    • 1...d5
      • 2.Qc3#
  • Tries
    • 1.Qd3+?
      • 1...Kb4
        • 2.Qc3#
      • 1...Kc5
        • 2.Qxb5#
      • 1...Kxd3!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qc3#
      • 1...Kb4
        • 2.Qc3#
      • 1...Kd4
        • 2.Qd5#
      • 1...Kc5
        • 2.Qc3#
      • 1...b4
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAB1(C)
    • P(d);SBLOCK::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
        • K(b);OGATE,P-FLIGHT::QAR1(C),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XQ(C)
  • Actual
    • S(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);P-FLIGHT::QAB1(C)
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);P-FLIGHT::QAR2(C)
      • P(c);SBLOCK::QAB1(C)
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).