MESON Chess Problem Database

Problem Display
PID: 141679 (8/4nK1p/5bPk/8/6Q1/8/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Gadirov, Matlab

1st Comm., Gulamov-80 JT, 2009

8/4nK1p/5bPk/8/6Q1/8/8/8

#2

3 + 4

145 StrateGems 2011
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qh4#
    • 1...Bb2
      • 2.Qh4#
    • 1...Bc3
      • 2.Qh4#
    • 1...Bd4
      • 2.Qh4#
    • 1...Bh4
      • 2.Qxh4#
    • 1...Be5
      • 2.Qh4#
    • 1...Bg7
      • 2.Qh4#
    • 1...Bh8
      • 2.Qh4#
  • Tries
    • 1.Qh3+?
      • 1...Bh4
        • 2.Qxh4#
      • 1...Kg5!
  • Keys
    • 1.gxh7!
      • 1...Kxh7
        • 2.Qh5#
      • 1...Ba1
        • 2.Qh4#
      • 1...Bb2
        • 2.Qh4#
      • 1...Bc3
        • 2.Qh4#
      • 1...Bd4
        • 2.Qh4#
      • 1...Bh4
        • 2.Qxh4#
        • 2.h8Q#
        • 2.h8R#
      • 1...Be5
        • 2.Qh4#
      • 1...Bg5
        • 2.h8Q#
        • 2.h8R#
      • 1...Bg7
        • 2.Qh4#
      • 1...Bh8
        • 2.Qh4#
      • 1...Sd5
        • 2.Qg6#
      • 1...Sf5
        • 2.Qg6#
      • 1...Sc6
        • 2.Qg6#
      • 1...Sg6
        • 2.Qxg6#
      • 1...Sc8
        • 2.Qg6#
      • 1...Sg8
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAR2(A)
    • B(a);N_GUARD::QAR2(A),XB(a)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(B);XP(d)
    • Vars
      • K(b);P-FLIGHT,XP(B)::QAR2(A)
      • B(a);N_GUARD::QAR2(A)
      • B(a);N_GUARD::P=Q
      • S(c);N_GUARD::QAR1(A)
      • S(c);N_GUARD::QAR1(A),XS(c)
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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).