MESON Chess Problem Database

Problem Display
PID: 95381 (5N2/2B3p1/6B1/6k1/3P2p1/5prn/4prpR/4Kbn1 w - - 0 1)

Kettner, Karl Werner

Nordhauser Zeitung, 1928

5N2/2B3p1/6B1/6k1/3P2p1/5prn/4prpR/4Kbn1

#2

6 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Bd8#
    • 1...Kf6
      • 2.Bd8#
    • 1...Kh6
      • 2.Bf4#
    • 1...Sf4
      • 2.Bd8#
  • Tries
    • 1.Bd6?
      • 1...Kh4
        • 2.Be7#
      • 1...Kh6
        • 2.Bf4#
      • 1...Sf4
        • 2.Be7#
      • 1...Kf6!
    • 1.d5?
      • 1...Kh4
        • 2.Bd8#
      • 1...Kh6
        • 2.Bf4#
      • 1...Sf4
        • 2.Bd8#
      • 1...Kf6!
  • Keys
    • 1.Ba5!
      • 1...Kf4
        • 2.Bd2#
      • 1...Kh4
        • 2.Bd8#
      • 1...Kf6
        • 2.Bd8#
      • 1...Kh6
        • 2.Bd2#
      • 1...Sf4
        • 2.Bd8#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(j);P_SPINS(h),S_FLIGHT::B(E)
    • K(j);S_FLIGHT::B(E)
    • S(h);SBLOCK::B(E)
  • Tries
    • Try
      • B(E);
      • Vars
        • K(j);P_SPINS(h),S_FLIGHT::B(E)
        • S(h);SBLOCK::B(E)
      • Refutation
        • K(j);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(j);P_SPINS(h),S_FLIGHT::B(E)
        • S(h);SBLOCK::B(E)
      • Refutation
        • K(j);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(j);S_FLIGHT::B(E)
      • K(j);P_SPINS(h),S_FLIGHT::B(E)
      • S(h);SBLOCK::B(E)
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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).