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4th International Math Trade

ECplus3

By ECplus3
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Crowesfeat30

+Crowesfeat30

Posted
Posted

I sent you an e-mail this morning. Did you get it? It appears that I accidentally put "The Cache Ace" on twice. I have only one & they are all the same so even if I had two I couldn't list 'em both. Can you fix that? Thanks! :lol:

 

Also, I have several e-mail accounts and one of my gmail accounts "took over" my invitation to the Google spread sheet. How easy would it be to change that back to the account I want to be notified from? I tried to do it myself but no luck. I cannot log in with the correct account without the incorrect one taking over. :bad: Help!

 

CF30

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ModelCitizen

+ModelCitizen

Posted
Posted

It appears that I accidentally put "The Cache Ace" on twice. I have only one & they are all the same so even if I had two I couldn't list 'em both. Can you fix that? Thanks! :D

CF30

 

If removing one of the Cache Ace coins would cause renumbering problems you could always just not list any "wanted" trade coins for one of your Cache Ace coins. That way, one of them would definately not be traded and it would be the same as if that coin was removed from the spreadsheet. Just a suggestion....

 

Model Citizen - Zero Discipline

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ECplus3

+ECplus3

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Posted

Phase 3: Want List Submission

 

Okay, so here's how the Want List Phase is going to work.

 

Everyone now has a list of coins they are offering -- some grouped, some not. And most likely everyone has had a look through the whole list to see what they would like to get. How do we get there? By creating the Want Lists!

 

The general idea for a Want List is to define which of your own coins can be traded against which offered coins.

 

The following syntax is used:

 

own_coin_ID : wanted_ID_1 wanted_ID_2 .. wanted_ID_n

 

The colon (':') is used as a separator between the 'own_coin_ID' and the chosen wanted coins. The list of wanted coins is delimited by a space (' ').

 

As you can see, you have to specify a single 'own_coin_ID' and a list of possible IDs of all coins that you would accept as a trade for this coin. You are free to choose from all other coins when creating your lists. Furthermore, you are not limited to a single coin -- you can append all coins (via their respective coin IDs) that you are accepting as a trade. Theoretically, you could append the IDs of ALL the coins in this trade to your list (though I wouldn't recommend it -- that's a whole heckuva lot of coins!)

 

The appearance of the IDs of the wanted coins is of importance, as it represents the order of preference in the list. In the first position is the 'most wanted' trade, and in the last position would be the 'least acceptable' trade.

 

If there is only one coin that you would trade your coin for, then there will only be one 'wanted_ID' in your list. If there are NO coins that you find acceptable as a trade for your coin, just leave the want list blank.

 

Okay, enough theory. Let's see it in action!

 

Looking at the list, I own the coins with the IDs 483 to 532 -- or 50 coins. But, I've grouped some of those coins, so my want list is going to be 44 lines long (each group -- regardless of the number of coins it contains -- will only have one line in the want list)

 

So, let's say that I consider my New Zealand 2008 coin (ID 516) to be the primo coin that I have offered. Looking through the list I find a few coins that I would like, but some really stand out: the Lump of Coal Earth Turtle (ID 1394), the set of AE Celtic Crosses (ID 1377), and the Quebec Owl XLE (ID 1242). Of those, I would favour the Earth Turtle over the Celtic Crosses, followed by the Quebec Owl. So my entry for the New Zealand coin would look like:

 

516 : 1394 1377 1242

 

My sets, I feel, should also be in high demand and could possibly get some of those 'choice' coin sets. I'll even add the Lump of Coal Earth Turtle to these want lists, as I feel a set for this single coin is still a good trade. When listing a set, you only have to enter a single ID number and ignore the letters. So, my MIGO set is made up of the IDs 510A, 510B, 510C, and 510D. My ISAF set is made up of the IDs 500A, 500B, and 500C. My want lists for the sets would look like:

 

500 : 1394 1377 1390 1443 766
510 : 1394 1377 1390 1443 766

 

Looking through the rest of the coins, there are only 8 that I would like to add to my collection. However, I still have 41 listings left to account for! If I list the IDs for only those 8 coins for each of my remaining coins, this will mean at best that 8 of my coins trade! But, for the sake of this exercise, that is what I'll do. The coins I want have the IDs 734 through 741, and that's the order of priority as well:

 

483 : 734 735 736 737 738 739 740 741
484 : 734 735 736 737 738 739 740 741
485 : 734 735 736 737 738 739 740 741
.
.
.
531 : 734 735 736 737 738 739 740 741
532 : 734 735 736 737 738 739 740 741

 

There! All done! Except for one thing. For some reason, I decide not to trade my Birds of a Feather coin (ID 486). Maybe I can't part with it; maybe I've already traded it for a coin outside of the mathtrade. To show that it is unavailable, I either don't list it, or I list it with an empty line for the wanted coins:

 

486 :

 

NOW my want list is done! For the convenience of my host, I will add my nick in parentheses in front of each line, and the whole list ends up looking like:

 

(E&Cplus3) 483 : 734 735 736 737 738 739 740 741
(E&Cplus3) 484 : 734 735 736 737 738 739 740 741
(E&Cplus3) 485 : 734 735 736 737 738 739 740 741
(E&Cplus3) 486 :
(E&Cplus3) 487 : 734 735 736 737 738 739 740 741
(E&Cplus3) 488 : 734 735 736 737 738 739 740 741
(E&Cplus3) 489 : 734 735 736 737 738 739 740 741
(E&Cplus3) 490 : 734 735 736 737 738 739 740 741
(E&Cplus3) 491 : 734 735 736 737 738 739 740 741
(E&Cplus3) 492 : 734 735 736 737 738 739 740 741
(E&Cplus3) 493 : 734 735 736 737 738 739 740 741
(E&Cplus3) 494 : 734 735 736 737 738 739 740 741
(E&Cplus3) 495 : 734 735 736 737 738 739 740 741
(E&Cplus3) 496 : 734 735 736 737 738 739 740 741
(E&Cplus3) 497 : 734 735 736 737 738 739 740 741
(E&Cplus3) 498 : 734 735 736 737 738 739 740 741
(E&Cplus3) 499 : 734 735 736 737 738 739 740 741
(E&Cplus3) 500 : 1394 1377 1390 1443 766
(E&Cplus3) 501 : 734 735 736 737 738 739 740 741
(E&Cplus3) 504 : 734 735 736 737 738 739 740 741
(E&Cplus3) 505 : 734 735 736 737 738 739 740 741
(E&Cplus3) 506 : 734 735 736 737 738 739 740 741
(E&Cplus3) 507 : 734 735 736 737 738 739 740 741
(E&Cplus3) 508 : 734 735 736 737 738 739 740 741
(E&Cplus3) 509 : 734 735 736 737 738 739 740 741
(E&Cplus3) 510 : 1394 1377 1390 1443 766
(E&Cplus3) 514 : 734 735 736 737 738 739 740 741
(E&Cplus3) 515 : 734 735 736 737 738 739 740 741
(E&Cplus3) 516 : 1394 1377 1242
(E&Cplus3) 517 : 734 735 736 737 738 739 740 741
(E&Cplus3) 518 : 734 735 736 737 738 739 740 741
(E&Cplus3) 519 : 734 735 736 737 738 739 740 741
(E&Cplus3) 520 : 734 735 736 737 738 739 740 741
(E&Cplus3) 521 : 734 735 736 737 738 739 740 741
(E&Cplus3) 522 : 734 735 736 737 738 739 740 741
(E&Cplus3) 523 : 734 735 736 737 738 739 740 741
(E&Cplus3) 524 : 734 735 736 737 738 739 740 741
(E&Cplus3) 525 : 734 735 736 737 738 739 740 741
(E&Cplus3) 526 : 734 735 736 737 738 739 740 741
(E&Cplus3) 528 : 734 735 736 737 738 739 740 741
(E&Cplus3) 529 : 734 735 736 737 738 739 740 741
(E&Cplus3) 530 : 734 735 736 737 738 739 740 741
(E&Cplus3) 531 : 734 735 736 737 738 739 740 741
(E&Cplus3) 532 : 734 735 736 737 738 739 740 741

 

Now I can send this list in an email to:

 

mathtrade4@gmail.com

 

There is one issue that I haven't discussed yet: How to prevent receiving the same coin more than once. For those of you who don't know yet how this works, I'll add another post tomorrow explaining how to do this. But for now, it is 3:00 am, and I need to get some sleep!

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ECplus3

+ECplus3

Posted
  • Author
Posted

Okay, here's Part II of the Want List tutorial...

 

Q. What if several people have listed a coin I really want. If I include all the IDs in my want lists, is it possible to get more than one?

 

A. Using the method I described above, yes this is a posibility.

 

Say you have listed coinID 1 and coinID 2 up for trade. Youd like to get two of the following coins for them:

 

"Medusa copper" (IDs 96 146 241)

"Yemon Yime v2 nickel" (ID 150)

"Tengwar gold w/ red" (IDs 944 1037)

"Birka gold w/ colour" (IDs 201 597 899)

 

So you could make the following want list:

 

1 : 96 146 241 150 944 1037 201 597 899
2 : 96 146 241 150 944 1037 201 597 899

 

However, by doing it this way you'd 'risk' receiving coin 96 for your coin 1 and coin 146 for your coin 2. You'd end up with two "Medusa copper" coins instead of getting two different coins.

 

You can avoid this very easily by defining variables.

 

You define a coin group to make sure you only get at most 1 coin from that group. Pick a name for your group and stick a percent sign ('%') in front of it to indicate that it is a variable. Then add a colon (':') and a space-delimited list of coin IDs. In the example above, my coin variables would look like this:

 

%medusaCu : 96 146 241
%tengwar : 944 1037
%birka : 201 597 899

 

Now you simple include these names in your want list, instead of the actual coin numbers. Your list would then change to look like this:

 

1 : %medusaCu 150 %tengwar %birka
2 : %medusaCu 150 %tengwar %birka

 

This way, if coin 1 gets traded for one of the coins from the %medusa group, this will prevent coin 2 from being traded for another coin from that same group.

 

Your variables must be defined at the top of the want list that you send to me, and every line must start with your nickname in parentheses.

 

(E&Cplus3) %medusaCu : 96 146 241
(E&Cplus3) %tengwar : 944 1037
(E&Cplus3) %birka : 201 597 899
(E&Cplus3) 1 : %medusaCu 150 %tengwar %birka
(E&Cplus3) 2 : %medusaCu 150 %tengwar %birka

 

But wait! There's more! You can nest your variables. This means that you can take a variable that you have already defined and use it within another variable. Why would you do this?

 

Say you have a coin that you would like to trade for an XLE medusa coin, and only for the XLE medusa. But there are a couple of them in the list (IDs 145 1436). There are some other coins that you would like trade for ANY medusa coin, including the XLE, and there are a LOT of them (IDs 96 144 146 241 242 243 488 697 698 1435)

 

Well, you already have the coppers defined, so now you need to create variables for the XLEs and for the whole group:

 

(E&Cplus3) %medusaCu : 96 146 241
(E&Cplus3) %medusaXLE : 145 1436
(E&Cplus3) %medusaAll : %medusaCu %medusaXLE 144 242 243 488 697 698 1435
(E&Cplus3) %tengwar : 944 1037
(E&Cplus3) %birka : 201 597 899
(E&Cplus3) 1 : %medusaCu 150 %tengwar %birka
(E&Cplus3) 2 : %medusaCu 150 %tengwar %birka
(E&Cplus3) 3 : %medusaXLE
(E&Cplus3) 4 : %medusaAll

 

Notice how the third variable definition uses the variables defined earlier. In my want lists, coins 1 and 2 still include the variable for the copper medusas, coin 3 uses the variable for the XLE medusas, and coin 4 uses the variable for all medusas.

 

Just a few notes about precedence: the coins listed in a variable all have equal weight! So, in the %medusaAll variable, coin 96 has the same weight as coin 1435. However, when using variables in your want lists, the normal precedence rules apply (ie. %medusaCu trumps coin 150, which trumps %tengwar, etc).

 

That's it! Please don't hesitate to ask for clarification if I haven't explained things well enough.

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surteb

+surteb

Posted
Posted

OK, so how I understand it is, we now send an email listing each of our own coins and what we might accept in trade for those coins. The coins we might accept in trade should be listed in order of which coins we want the most.

 

That's a huge simplification, I think, but I hope I'm understanding it right. And, I also understand that we can list coins we want a few different times. So, if I have a coin I really want, can I list is as the first number (the most wanted and most acceptable trade) for all of the coins I have listed as available?

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The Moop Along

+The Moop Along

Posted
Posted (edited)

 

So, if I have a coin I really want, can I list is as the first number (the most wanted and most acceptable trade) for all of the coins I have listed as available?

 

Big Yes :( List your favorite coin in the whole thing as the 1st coin in every "want string". That way you have (number of coins you listed) chances to get it.

 

TMA

Edited by The Moop Along
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ECplus3

+ECplus3

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Posted

If I have 15 coins available for trade, does that mean I should list 15 coins as wanted?

 

If you want all your coins to trade, you should list at least 15 different wanted coins. Each of your coins doesn't have to have all 15 wanted coins, but the more you list, the greater the chance that you will get something.

 

There may be one of your coins that you only think 3 coins out there are worthy trades for. But other coins may have 20 or 30 coins in the want list.

 

There is no theoretical limit to how many coins you can put on any one want list. But the practical limit, I think, would be about 50 coins. Any more than that and you run the risk that the line will be too long for my program to load in.

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The Moop Along

+The Moop Along

Posted
Posted

If I have 15 coins available for trade, does that mean I should list 15 coins as wanted?

 

You can list up to 1488 (total coins) - 15 (your coins) as wanted in each string. And you can list (0) coins as wanted, which means your coin will not trade. Example would be, for each of my coins, I'll probably be listing 100 or so as wanted.

 

TMA

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surteb

+surteb

Posted
Posted

If I have 15 coins available for trade, does that mean I should list 15 coins as wanted?

 

You can list up to 1488 (total coins) - 15 (your coins) as wanted in each string. And you can list (0) coins as wanted, which means your coin will not trade. Example would be, for each of my coins, I'll probably be listing 100 or so as wanted.

 

TMA

 

100 or so as wanted! Holy cow! I thought my potential 15 was a lot!

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The Moop Along

+The Moop Along

Posted
Posted

I dare say as well, that there are some numbers doubled up. Between ECPlus3 and jnbball. I sent a note to the admin a little bit ago, but you can't always sit in the file :( I'm sure he'll check it out soon enough. I stopped my want list because I think there are more errors than just your regroupings. Maybe I'm just not seeing it right.

 

TMA

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SoDakCachers

SoDakCachers

Posted
Posted

I dare say as well, that there are some numbers doubled up. Between ECPlus3 and jnbball. I sent a note to the admin a little bit ago, but you can't always sit in the file :P I'm sure he'll check it out soon enough. I stopped my want list because I think there are more errors than just your regroupings. Maybe I'm just not seeing it right.

 

TMA

 

Crap, I just submitted my want list. I didn't notice the numbering discrepancy :(

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ECplus3

+ECplus3

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Posted

There were indeed some serious errors involving me, icydove, jnbball, jackalgirl, and mauison. The 'Coins Offered' had the proper numbers, so I checked everything against that first. I then went back through the emails to check off everyone's regroupings.

 

On the first pass I caught about a 100 wrong numbers -- some were transpositions of numbers (352 instead of 532), but others appeared that entire sequences were messed up. I am fairly certain I have caught and corrected everything. But I will be going through in much finer detail later tonight.

 

Sorry for the confusion and worry that this problem obviously caused! I will be contacting those that already sent in want lists to double-check their numbers.

 

If you see anything suspicious, send a note to mathtrade4@gmail.com.

 

PS: With the new sorting, all groups are filtered to the end of each participant's list. So if you see gaps in the numbers, don't panic, just check the end of that person's list for the grouped coins.

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