MESON Chess Problem Database

Problem Display
PID: 97373 (7k/7p/3pKp2/8/6R1/8/4Q3/8 w - - 0 1)

Amirov, Talip Khasanovich

Problemas, 1975

7k/7p/3pKp2/8/6R1/8/4Q3/8

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qb2#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Qe8#
        • 2.Qb8#
      • 1...h5
        • 2.Qxh5#
      • 1...h6!
    • 1.Qd2?
      • 1...h5
        • 2.Qh6#
      • 1...h6
        • 2.Qxh6#
      • 1...f5
        • 2.Qc3#
        • 2.Qb2#
        • 2.Qd4#
      • 1...d5!
    • 1.Qe3?
      • 1...h5
        • 2.Qh6#
      • 1...h6
        • 2.Qxh6#
      • 1...f5
        • 2.Qd4#
        • 2.Qc3#
      • 1...d5!
  • Keys
    • 1.Qh2!
      • 1...h5
        • 2.Qxh5#
      • 1...h6
        • 2.Qxh6#
      • 1...d5
        • 2.Qb8#
      • 1...f5
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);OGATEB::QAR(A),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • P(c);OGATEB::QAR2(A)
        • P(c);OGATEB::QAR2(A),XP(c)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Vars
        • P(c);OGATEB::QAR2(A)
        • P(c);OGATEB::QAR2(A),XP(c)
      • Refutation
        • P(a);
  • Actual
    • Q(A);P_PINP(c)
    • Vars
      • P(c);OGATEB::QAR(A),XP(c)
      • P(c);OGATEB::QAR2(A),XP(c)
      • P(a);OGATE::QAR(A)
      • P(b);OGATEB::QAB(A)
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).