Problem Display
PID: 248219 (3k4/p2p2p1/Pp1N2Pp/3N4/8/4B3/5K2/8 w - - 0 1)

von Bilow, Ludwig Immanuel

Neue Berliner Schachzeitung, 1964

3k4/p2p2p1/Pp1N2Pp/3N4/8/4B3/5K2/8

#2

6 + 6


15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...h5
      • 2.Bg5#
  • Tries
    • 1.Ke1?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Kf1?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Kg1?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Ke2?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Kg2?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Kf3?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Kg3?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Bc1?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
    • 1.Bf4?
      • 1...h5
        • 2.Bg5#
      • 1...b5!
  • Keys
    • 1.Bd2!
      • 1...b5
        • 2.Ba5#
      • 1...h5
        • 2.Bg5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::B(B)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • B(B);
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
    • Try
      • B(B);
      • Vars
        • P(b);N_GUARD::B(B)
      • Refutation
        • P(a);
  • Actual
    • B(B);
    • Vars
      • P(a);OGATEB::B(B)
      • P(b);N_GUARD::B(B)


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).