[comp.sys.mac.games] Tetris Scoring

thesmith@nntp-server.caltech.edu (Michael John Smith) (03/19/91)

-- 
Michael J. Smith      |  Being a gentleman    |  "I'm not stupid,
                      |  involves a lot more  |  I'm not expendable,
I speak for myself.   |  more than just good  |  and I'm not going."
thesmith@caltech.edu  |  table manners.       |     -Avon, Blake's 7

jeff@archone.tamu.edu (Jeff Raymond) (03/19/91)

>I have been playing Tetris for some time now, and for the life of me I can't
>figure out how the scoring is calculated.  Does anyone know?

(posted seven times)

No. No. No. No. No. No. No.

kwinkler@pbs.org (Ken Winkler) (03/19/91)

In article <2937@cod.NOSC.MIL>, deichman@cod.NOSC.MIL (Shane D. Deichman) writes:
>> I have been playing Tetris for some time now and for the life of me
>> I do not know how the score is calculated. Does anyone know?
> 
> Quite simply, you get points for how far a piece falls -- the further
> it falls, the LESS points you get.  As your stack builds up, you get
> more and more points (since you have less time to react).  I believe
> this total is multiplied by your level (or there's some additive factor
> which is dependent on your level).  The well is 25 layers deep; you get
> a base 1 point at level 0 for a piece which drops all the way to the
> bottom, 9 points at level 9 for the same piece.  Note that the baseline
> score is derived from the approximate center of the piece -- if you
> have the four-straight piece falling vertically, you'd get the points
> for the second or third box instead of the bottom-most box.
> 
> If you hit the space bar and drop the piece, you get one point (times
> level number) for each layer the piece drops.  This cancels the low score
> accumulation rate mentioned above for low puzzles.  If you drop a piece
> automatically upon it's entry onto the screen, you get 25 points for the
> fall plus a base score for the piece.  Now that I think about it, I believe
> the score is determined by number of layers dropped PLUS the level number,
> not times the level....
> 

So basically, it is a good strategy to LET the thing build up for a while, and
then use, say, the four block vertical piece to drop out rows 7-10 all at the
same time?  It's NOT good to try to keep the stack from getting higher?

							----Ken


*****************************************************************************
* "It's a beautiful day in the neighborhood!" ---FR      *    Television    *
* "Get away from me with that spatula, Fred!" ---Mrs. FR *  worth watching  *
*****************************************************************************

cici@gmdzi.gmd.de (Christian Beilken) (03/19/91)

From article <1991Mar18.190813.436@nic.csu.net>, by thesmith@nntp-server.caltech.edu (Michael John Smith):
> 
>  I have been playing Tetris for some time now and for the life of me
>  I do not know how the score is calculated. Does anyone know?

The scoring only depends on the falling pieces, the height and the level.
The number of completed lines is not involved.

Each piece counts between 5 and 7 points. Add 2 points for every level.
Add the height (in square-units) the piece was falling by pressing the
space bar or the height it lands on other pieces. 

The formula should look like:  points = base + 2*level + height.

The base point is mostly five but increases up to seven, when pieces
land looking to the top. (E.g. the long stick vertical instead of 
horizontal.)

Who knows how the penalty for switching next on is calculated?

Cici

C. Beilken, email:cici@gmdzi.gmd.de, phone:(+49 2241) 14-2642
GMD     German National Research Center for Computer Science)
P.O.Box	1240		  		  Dept: F3/MMK (GINA)
W-5205 Sankt Augustin 1, Germany

deichman@cod.NOSC.MIL (Shane D. Deichman) (03/20/91)

> I have been playing Tetris for some time now and for the life of me
> I do not know how the score is calculated. Does anyone know?

Quite simply, you get points for how far a piece falls -- the further
it falls, the LESS points you get.  As your stack builds up, you get
more and more points (since you have less time to react).  I believe
this total is multiplied by your level (or there's some additive factor
which is dependent on your level).  The well is 25 layers deep; you get
a base 1 point at level 0 for a piece which drops all the way to the
bottom, 9 points at level 9 for the same piece.  Note that the baseline
score is derived from the approximate center of the piece -- if you
have the four-straight piece falling vertically, you'd get the points
for the second or third box instead of the bottom-most box.

If you hit the space bar and drop the piece, you get one point (times
level number) for each layer the piece drops.  This cancels the low score
accumulation rate mentioned above for low puzzles.  If you drop a piece
automatically upon it's entry onto the screen, you get 25 points for the
fall plus a base score for the piece.  Now that I think about it, I believe
the score is determined by number of layers dropped PLUS the level number,
not times the level....

Hope this doesn't appear seven times.... :-)

-shane

thesmith@nntp-server.caltech.edu (Michael John Smith) (03/20/91)

 I have been playing Tetris for some time now and for the life of me
 I do not know how the score is calculated. Does anyone know?
Message-ID: <1991Mar19.023707.29495@nntp-server.caltech.edu>
Date: 19 Mar 91 02:37:07 GMT
Organization: California Institute of Technology, Pasadena
Lines: 6


-- 
Michael J. Smith      |  Being a gentleman    |  "I'm not stupid,
                      |  involves a lot more  |  I'm not expendable,
I speak for myself.   |  more than just good  |  and I'm not going."
thesmith@caltech.edu  |  table manners.       |     -Avon, Blake's 7

deichman@cod.NOSC.MIL (Shane D. Deichman) (03/21/91)

O.K., I think I've got it now.  Thanx to a previous poster who
"reminded" me of a few subtleties in the scoring, here's what
I think is the base scoring scheme:

Score = Base + 2*Lvl + Ht of Block + Number of layers dropped

The base, as mentioned in an earlier post, is valued from 5 to 7.

The level is from 0 - 9, the level of play.

Ht of Block is the layer which the block finally comes to rest
upon (as counted from the bottom).

Number of layers dropped is the number of layers from the point at
which the space bar is struck to where the block finally comes to 
rest.

Since the well is 25 layers deep, the maximum score one can acquire
for a single piece is:

Score = 7 + 2*9 + 25 + 0 = 50

Note that the last two terms are mutually exclusive -- if the well is
so high that you actually get 25 points for the third term, it's "Game
Over."  If the well is empty and you hit the space bar immediately, then
you'd get 24 - 25 points for the fourth term (and zero for the third).
Unlike the arcade and Nintendo versions, there is no bonus for deleting
lines (or getting what these two versions call a "Tetris" -- deleting
four lines at once).

<I hope nobody asks how to score Welltris -- talk about a tough game!
I still haven't figured out all of the dynamics of dropping pieces on
a corner...  you get some pretty wierd results!>

-shane

p.s.  I believe the "cheating" method of Tetris uses a similar scoring
	method to the one described above.  Those in the know will know
	what I'm talking about....