MESON Chess Problem Database

Problem Display
PID: 134625 (8/8/8/B2R4/k7/p7/2K1B3/1n6 w - - 0 1)

Kovalenko, Vitaly Semenovich

2nd Prize, Amirov MT, 2005

8/8/8/B2R4/k7/p7/2K1B3/1n6

#2

4 + 3

145 StrateGems 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Bc3?
      • threat
        • 2.Bb5#
        • 2.Rd4#
        • 2.Ra5#
      • 1...a2
        • 2.Ra5#
      • 1...Sd2
        • 2.Bb5#
        • 2.Ra5#
      • 1...Sxc3!
  • Keys
    • 1.Bd1!
      • threat
        • 2.Kxb1#
        • 2.Kc1#
        • 2.Kd3#
      • 1...a2
        • 2.Kb2#
      • 1...Sd2
        • 2.Kxd2#
      • 1...Sc3
        • 2.Kxc3#

Anticipated by 86892(1994)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Threat
        • DUALS(3)
      • Vars
        • P(b);::R1(D)
      • Refutation
        • S(a);XB(C)
  • Actual
    • B(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);::B(B)+K(A)
      • S(a);::B(B)+K(A),XS(a)
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).