MESON Chess Problem Database

Problem Display
PID: 180801 (8/1n6/8/3K4/8/2kp4/5Q1B/3B4 w - - 0 1)

Voronin, Vladimir

Sachmatija, 2017

8/1n6/8/3K4/8/2kp4/5Q1B/3B4

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Qd4#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Qd4#
        • 2.Qd2#
      • 1...d2
        • 2.Qd4#
        • 2.Qxd2#
      • 1...Kb4!
  • Keys
    • 1.Bc7!
      • 1...Kb4
        • 2.Qb2#
      • 1...d2
        • 2.Qd4#
      • 1...Sa5
        • 2.Bxa5#
      • 1...Sc5
        • 2.Ba5#
      • 1...Sd6
        • 2.Ba5#
      • 1...Sd8
        • 2.Ba5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(b);::QAB1(B)
  • Tries
    • Try
      • B(C);
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::QAR2(B)
      • P(b);::QAB1(B)
      • S(c);N_GUARD::B(C),XS(c)
      • S(c);N_GUARD::B(C)
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).