Problem Display
PID: 243086 (3K4/2P5/Pp6/1p1kP3/1P2pP2/2PpP3/3P4/8 w - - 0 1)

Smullyan, Raymond Merrill

The Chess Mysteries of the Arabian Nights, 1981

3K4/2P5/Pp6/1p1kP3/1P2pP2/2PpP3/3P4/8

#2

9 + 5


5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Keys
    • 1.c8B!
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6
        • 2.Bb7#

Anticipated by 2187(1855), 95155(1976)

This anticipates 7981(1995), 173960(2005)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(H);
    • Vars
      • K(d);S_FLIGHT::B(H)


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).