MESON Chess Problem Database

Problem Display
PID: 159203 (8/N1p3p1/6K1/1pQ1pP2/1Pn2k2/8/6RP/4N3 w - - 0 1)

Abdullayev, Elmar

ChessStar, 2015

8/N1p3p1/6K1/1pQ1pP2/1Pn2k2/8/6RP/4N3

#2

8 + 6

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Rg4#
  • Tries
    • 1.Rg3?
      • 1...Ke4
        • 2.Rg4#
      • 1...Sb2
        • 2.Qe3#
      • 1...Sd2
        • 2.Qe3#
      • 1...Sa3
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sa5
        • 2.Qe3#
      • 1...Sb6
        • 2.Qe3#
      • 1...Sd6
        • 2.Qe3#
      • 1...e4
        • 2.Sg2#
      • 1...c6!
    • 1.h3?
      • threat
        • 2.Rg4#
      • 1...Ke4
        • 2.Rg4#
      • 1...Se3!
  • Keys
    • 1.Sc6!
      • 1...Ke4
        • 2.Rg4#
      • 1...Sb2
        • 2.Qxe5#
      • 1...Sd2
        • 2.Qxe5#
      • 1...Sa3
        • 2.Qxe5#
      • 1...Se3
        • 2.Qxe5#
      • 1...Sa5
        • 2.Qxe5#
      • 1...Sb6
        • 2.Qxe5#
      • 1...Sd6
        • 2.Qxe5#
      • 1...e4
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(B)
  • Tries
    • Try
      • R(B);
      • Vars
        • K(b);P-FLIGHT::R(B)
        • S(a);N_GUARD::QAB1(E)
        • S(a);N_GUARD::QAB1(E),XS(a)
        • P(d);SBLOCK::S(A)
      • Refutation
        • P(e);
    • Try
      • P(C);
      • Threat
        • R1(B)
      • Vars
        • K(b);P-FLIGHT::R(B)
      • Refutation
        • S(a);
  • Actual
    • S(H);
    • Vars
      • K(b);P-FLIGHT::R(B)
      • S(a);N_GUARD::QAB1(E),XP(d)
      • P(d);SBLOCK::QAR2(E)
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).