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Tiebreakers!

Posted on February 8, 2008 By Liquid Egg Product 12 Comments on Tiebreakers!
Chess, Tournament of Lepers

Firstly, drunknknite and chessloser are both in (assuming they still want in). There are now 10 players. I’m not doing very good on “make sure to let me know by Wednesday”. As long as you let me know by Sunday night, I’ll probably say OK.

I forgot to address how to deal with tiebreakers! But now that gorckat has offered to donate a prize for first place–some random thing from Seirawan he can’t get rid of–there has to be some way to deal with this, right?

Maybe we could do something like the NFL…

1. Head-to-head (best won-lost-tied percentage in games between the players).
2. Best won-lost-tied percentage in common games.
3. Strength of schedule.
4. Least number of losses on time.
5. Least average number of moves in games won.
6. Least number of suspicious times player had to go to the bathroom.
7. Performance rating closest to a perfect square, Fibonacci number, or prime…oh, forget it.
8. Most amount of caffeine required to stay up to finish all the games.
9. Best net checkmates in all games.
10. Best net material balance in all games.
11. Best net pawn promotions in all games.
12. Coin flip.

(I just read that over and didn’t laugh…but putting it up anyway.)

In all seriousness, I’m thinking something like who won the head-to-head matchup, and maybe a 10-min blitz if the result was a draw (and if that’s a draw, keep on playing 10-min blitzes until someone wins).

Please don’t ask about if there’s a three (or more) way tie. I will throw games to make sure it doesn’t happen.

Isn’t there some formula they use in Swiss tournaments? Not sure how well it would apply to a round-robin.

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12 thoughts on “Tiebreakers!”

  1. drunknknite says:
    February 8, 2008 at 4:04 pm

    the swiss tiebreaker is the sum of the scores of your opponents, but in this case that would be the same for the two players who tied since it’s a round robin. i say a tie is a tie, if you’re going to have more than one tournament anyway you could just award points or something and at the end of the year whoever has the most points wins.

    Reply
  2. Polly says:
    February 8, 2008 at 4:55 pm

    There is a tie-break system specific to round-robins. I’d have to look it up in the rule book. Since pairing programs do the tie-breaks for me, I don’t remember them all. I can look it up.

    Reply
  3. Wahrheit says:
    February 8, 2008 at 5:29 pm

    Aw heck, it’s a round robin, if there’s a tie it just makes it more fun. BTW, should we exchange emails for scheduling the games or just use messages on FICS? My only prob is that I cant access FICS at work.

    Reply
  4. Chessaholic says:
    February 8, 2008 at 7:07 pm

    This is so cool. I’ll be a bystander this time around but might join next time. Curious to see how you all do.

    Reply
  5. l3rucewayne says:
    February 8, 2008 at 7:46 pm

    I was wondering if it would be a good idea to store the game moves here as a kind of record of “Lep Chess Tournament I” or something. On the other hand I might not want my embarrassing mistakes available in the future like that.

    Reply
  6. Donnie says:
    February 8, 2008 at 9:35 pm

    @drunknknite: You know, that’s not a bad idea. Sorta like a NASCAR season or something. Except it’s chess, which is much more exciting than watching cars drive in an oval 300-500 times.

    @Polly: Thanks; I am lazy. Actually, I’ll probably just get a pairing program if it’s not expensive and save everyone the trouble.

    @Wahrheit: That’s not a bad idea. If you want to post your e-mail, that’s fine by me. I may end up making a forum as well.

    @Chessaholic: It’ll be even more exciting once I get Vegas to post the betting lines.

    @l3rucewayne: That’s not a bad idea. I already have a database set up for games that I’ve used in the past.

    It’s a bit embarrassing how it works because I didn’t want to go through the trouble of programming all the subtleties of PGN files:

    1. Take a PGN file.
    2. Import into Chessmaster.
    3. Save the algebraic move list as text file.
    4. Convert notation to international (e4 –> 5254), which is simple for programming moving pieces around the board.
    5. Save international move list as text file.
    6. Upload text files.

    The best of all would be if you guys could just upload the PGN file. Alas, due to my laziness, it can’t be done that way.

    Reply
  7. gorckat says:
    February 8, 2008 at 9:45 pm

    Dammit. Stupid Alt-Left Arrow that I thought was Ctrl-Left Arrow…anyway-

    FICS has the option to email a PGN file once a game is completed. If everyone sets that up (I know its in a Babas dialog, and there should be a console command as well), I’d be willing to manage the accumulation of all the games.

    What we do with them, I don’t know…dump them into an online database for mutual mockery?

    Reply
  8. chessloser says:
    February 8, 2008 at 10:52 pm

    my fics handle is mandalorian.

    Reply
  9. Polly says:
    February 9, 2008 at 12:25 am

    The pairing programs are not cheap. If you want I can set it up for you since I already have the pairing software.

    Gorckat: We can put together a bulletin of Blundering Bloggers Blasphamy and call it b3 for short.

    Reply
  10. Tacticus Maximus says:
    February 9, 2008 at 7:03 am

    Sonneborn-Berger (Partial Score Method)
    Add the final scores of all the opponents the players defeated and half the final scores of all the opponents with whom the player drew. Nothing is added for the games the player lost or for unplayed games. This is the most common method used for round-robin events.
    http://www.nwchess.org/tbinfo.htm

    2. Tiebreak Rules using the Player’s own results
    (a) Sum of Progressive Scores…
    (a1) Sum of Progressive Score Cuts…
    (b) The Koya System for Round Robin Tournaments…
    (c) Number of games won…
    (d) The greater number of games played with the black pieces…
    (e) Direct Encounter…
    (f) Number of games won…
    (g) The greater number of games played with the black pieces…

    6. Playoff.
    …
    1. If two people tie for first:…
    2. If three people tie for first:…
    9. If ten players tie …
    10. If eleven or more players tie…
    http://www.fide.com/official/handbook.asp?level=c0611

    Reply
  11. Donnie says:
    February 9, 2008 at 11:20 pm

    Gorckat, Polly, and Tacticus: Thanks for your help and suggestions. Hopefully, we won’t have to use the tiebreaker, and we have time to figure out a good way to store the games. Since it’s a round robin, I’m not sure that we need a pairing program come to think of it, but I will contact you, Polly, more about that.

    Reply
  12. Polly says:
    February 11, 2008 at 12:11 am

    As long as you have the rulebook with the round robin tables it’s very easy. If not, using the pairing program is useful because it will do all the color assignments for every round.

    Reply

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