MESON Chess Problem Database

Problem Display
PID: 47319 (8/8/8/pp4pQ/k3K3/3R4/8/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Shakhmatna misl, 1996

8/8/8/pp4pQ/k3K3/3R4/8/8

#2

3 + 4

4883 Still More Fun with Chess Miniatures 2002
136 Problem Observer 2008
145 StrateGems 2012

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qe8#
  • Tries
    • 1.Kd5?
      • 1...Kb4
        • 2.Qg4#
      • 1...b4
        • 2.Qe8#
      • 1...g4!
    • 1.Qf7?
      • threat
        • 2.Qb3#
      • 1...b4
        • 2.Qe8#
        • 2.Qd7#
      • 1...Kb4!
    • 1.Qh8?
      • 1...Kb4
        • 2.Qd4#
      • 1...b4
        • 2.Qe8#
      • 1...g4!
  • Keys
    • 1.Qg4!
      • 1...Kb4
        • 2.Kd5#
      • 1...b4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,SBLOCK::QAB(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR(C)
        • P(c);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
        • P(c);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • P(d);
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR(C)+K(B)
      • P(c);OGATEB,SBLOCK::QAB(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).