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Posers and Puzzles

Posers and Puzzles

  1. Standard member Bowmann
    Non-Subscriber
    15 Apr '05 02:01 / 1 edit
    If you're at a loose end one evening and wish to pass some time, set up a chessboard and simply do the following, either alone or with the aid of a friend:

    Play just 3 moves into a game (each side). Put the pieces back onto their starting squares again and play another 3 moves into a different game. Repeat until you have made all the possible combinations of moves, reaching all positions.

    If you find that doesn't kill sufficient time, try it again using 4 moves...
  2. 15 Apr '05 02:16
    One move is enough for me
  3. 15 Apr '05 03:42
    Originally posted by Bowmann
    If you're at a loose end one evening and wish to pass some time, set up a chessboard and simply do the following, either alone or with the aid of a friend:

    Play just 3 moves into a game (each side). Put the pieces back onto their starting squares again and play another 3 moves into a different game. Repeat until you have made all the possible combination ...[text shortened]... all positions.

    If you find that doesn't kill sufficient time, try it again using 4 moves...
    you can do that here. analyze board and move pieces.
  4. 15 Apr '05 11:30
    Originally posted by Bowmann

    Play just 3 moves into a game (each side). Put the pieces back onto their starting squares again and play another 3 moves into a different game. Repeat until you have made all the possible combinations of moves, reaching all positions.

    hmm that would take years i guess. i have not so much freetime to kill
  5. 17 Apr '05 11:41
    Originally posted by Bowmann
    If you're at a loose end one evening and wish to pass some time, set up a chessboard and simply do the following, either alone or with the aid of a friend:

    Play just 3 moves into a game (each side). Put the pieces back onto their starting squares again and play another 3 moves into a different game. Repeat until you have made all the possible combination ...[text shortened]... all positions.

    If you find that doesn't kill sufficient time, try it again using 4 moves...
    how about watching tv instead?
  6. 17 Apr '05 15:04 / 5 edits
    Originally posted by Bowmann
    If you find that doesn't kill sufficient time, try it again using 4 moves...
    According to the the link below, there are
    119060324 games ending in exactly 6 plies (about 37 years at 10 secs per position)
    and
    84998978956 games ending in exactly 8 plies (about 27000years at 10 secs per position).

    http://www.albert.nu/programs/dperft/main.htm

    And there are 2097651003696806 games ending in exactly 11 plies, taking about 665160770 years at 10 secs per position. (To put it another way, this means that we would only just be finishing if we had started when the light now reaching us from your home planet was leaving it!)

    Bowmann, the Man Who Fell to Earth!