MESON Chess Problem Database

Problem Display
PID: 169330 (7q/6NR/6pB/8/7k/7p/5K2/1b1B4 w - - 0 1)

Volchek, Viktor Fedorovich

1st Comm., SuperProblem 182. TT, 2017

7q/6NR/6pB/8/7k/7p/5K2/1b1B4

#2

5 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qa8
      • 2.Bc1#
      • 2.Bd2#
      • 2.Be3#
      • 2.Bf4#
    • 1...Qb8
      • 2.Bc1#
      • 2.Bd2#
      • 2.Be3#
      • 2.Bf4#
    • 1...Qc8
      • 2.Bc1#
      • 2.Bd2#
      • 2.Be3#
      • 2.Bf4#
    • 1...Qd8
      • 2.Bc1#
      • 2.Bd2#
      • 2.Be3#
      • 2.Bf4#
    • 1...Qe8
      • 2.Bc1#
      • 2.Bd2#
      • 2.Be3#
      • 2.Bf4#
    • 1...Qf8+
      • 2.Bf4#
  • Keys
    • 1.Se6!
      • threat
        • 2.Bg5#
      • 1...Qb2+
        • 2.Bd2#
      • 1...Qd4+
        • 2.Be3#
      • 1...Qf6+
        • 2.Bf4#
      • 1...Qf8+
        • 2.Bxf8#
      • 1...g5
        • 2.Bxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(e);CHECK,N_GUARD::R(E)+B(C)
  • Actual
    • S(D);
    • Threat
      • R(E)+B(C),DCHECK
    • Vars
      • Q(e);CHECK,N_GUARD::R(E)+B(C)
      • Q(e);CHECK,N_GUARD::R(E)+B(C),XQ(e)
      • P(d);::R(E)+B(C),DCHECK,XP(d)
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).