MESON Chess Problem Database

Problem Display
PID: 206069 (6Rb/Q7/6b1/8/3N4/K7/8/k7 w - - 0 1)

Karin, Aleksey

Zadachi i Etyudi, 2018

6Rb/Q7/6b1/8/3N4/K7/8/k7

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sb3#
    • 1...Bf7
      • 2.Rg1#
    • 1...Be8
      • 2.Rg1#
  • Tries
    • 1.Rxg6?
      • threat
        • 2.Rg1#
      • 1...Kb1
        • 2.Rg1#
      • 1...Bxd4!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qa2#
      • 1...Kb1
        • 2.Qf1#
      • 1...Bxf7
        • 2.Rg1#
      • 1...Bb1
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(b);SBLOCK::S(B)
    • B(b);OGATE::R(D)
  • Tries
    • Try
      • R(D);XB(b)
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • B(c);XS(B)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT::QAR(C)
      • B(b);OGATE,XQ(C)::R(D)
      • B(b);SBLOCK::S(B)
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).