MESON Chess Problem Database

Problem Display
PID: 79150 (8/R1B3k1/6B1/5P2/3K2N1/8/8/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2001

8/R1B3k1/6B1/5P2/3K2N1/8/8/8

#2

6 + 1

16210 Problemschach-Jahrbuch (2001) 2002
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • 1...Kxf6
        • 2.Bd8#
      • 1...Kh6
        • 2.Bf4#
      • 1...Kf8
        • 2.Bd6#
      • 1...Kh8!
    • 1.Be5+?
      • 1...Kg8
        • 2.Ra8#
      • 1...Kf8!
    • 1.f6+?
      • 1...Kf8
        • 2.Ra8#
      • 1...Kg8
        • 2.Ra8#
      • 1...Kh8
        • 2.Ra8#
      • 1...Kxg6!
  • Keys
    • 1.Sh6!
      • 1...Kf6
        • 2.Bd8#
      • 1...Kxh6
        • 2.Bf4#
      • 1...Kf8
        • 2.Bd6#
      • 1...Kh8
        • 2.Be5#

Anticipated by 90264(1940), 169934(1945), 18264(1954), 171998(1970), 35521(1994)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT,XS(B)::B(F)
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R(E)
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT,XS(B)::B(F)
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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).