MESON Chess Problem Database

Problem Display
PID: 159024 (7b/1p1K4/4p3/3k2n1/1P2N3/3P4/1B6/5Q2 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Tribuna Sibiului TT, 1980

7b/1p1K4/4p3/3k2n1/1P2N3/3P4/1B6/5Q2

#2

6 + 5

15148 Sadier Collection 2016
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Sxf6#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qd6#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Be5
        • 2.Qxe5#
      • 1...e5
        • 2.Sc3#
      • 1...Sf7!
    • 1.Qf8?
      • threat
        • 2.Qc5#
        • 2.Qd6#
      • 1...Bd4
        • 2.Qd6#
      • 1...b6
        • 2.Qd6#
        • 2.Qa8#
      • 1...Be5
        • 2.Qc5#
      • 1...Sf7
        • 2.Qc5#
      • 1...Sxe4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Sc3#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Sxe4
        • 2.Qxe6#
      • 1...e5
        • 2.Qd6#

This anticipates 258345(2022)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::S(E),XB(e)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • S(b);OGATE,XS(E)::QAB1(A),XS(b)
        • B(e);N_GUARD::QAR1(A),XB(e)
        • P(c);S_CUTB(e)::S(E)
      • Refutation
        • S(b);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);::QAR1(A)
        • S(b);::QAR1(A)
      • Refutation
        • S(b);XS(E)
  • Actual
    • Q(A);
    • Threat
      • S(E)
    • Vars
      • B(e);XQ(A)::S(E),XB(e)
      • S(b);N_GUARD,XS(E)::QAB1(A),XP(c)
      • P(c);OGATE::QAR1(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).