Raport • Board Game Arena

#22392: "No explanation of who starts first in case 2 or more players have the same result"

fixed: Bug-ul a fost rezolvat

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Quantum #105942050

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Eroare de afișaj: câteva informații ale jocului au fost afișate eronat (dar fără vreo consecință asupra desfășurării jocului)

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Eroare de afișaj: câteva informații ale jocului au fost afișate eronat (dar fără vreo consecință asupra desfășurării jocului)

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#	Status	Votes	Game	Type	Title	Last update

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9 Aug 2020 18:46 • januszk0 • Defectul nu a fost replicat încă de programatori:

However, if 2 or more players have the same score, what decides?

10 Aug 2020 05:07 • Idsky • Bug-ul a fost confirmat de autori:

I will leave this part as-is but will add something like "(wins tie-break ${tieDice})" after it when appropriate.

29 Sep 2020 08:07 • imbroglio • Bug-ul a fost confirmat de autori:

Coincidentally, I had the same question. I was about to open a new ticket, but it seems cleaner to just keep everything in here.

First of all, here is the relevant text from the official rules: "The first player is the one with the lowest ship total (resolve any ties by rolling other dice)" (www.funforge.fr/US/files/quantum/Quantum_rules_US.pdf)

However, I've never seen any evidence of "rolling other dice". So, I went through my last 50 games for all games that started with a tie in ship totals. I found 5 such tables, and I "lost" the tie break every time:

boardgamearena.com/gamereview?table=114587870
boardgamearena.com/gamereview?table=114318546
boardgamearena.com/gamereview?table=114216828
boardgamearena.com/gamereview?table=113573590
boardgamearena.com/gamereview?table=113368664

Admittedly it's not the biggest sample size, but I think it's enough to be significant: the probability of losing all 5 coin flips is only 0.5^5 = 3%.

I've glanced through the code, and I don't see any alterations to the order of the player list after it is fetched from the DB. I believe the relevant code starts at quantum.game.php:116. I'm also not a PHP programmer, so I'll defer to those who have actually worked on the code :)

I'll also note that 4/5 of the above instances, my player ID is lower than my opponent's (outlier is ibav, table #114216828).

The low-effort fix here would be to simply shuffle the player list randomly immediately after fetching from the DB, and add an explanation to the log text that indicates the starting player was selected randomly.

Thanks as always for your work on this game!

29 Sep 2020 14:00 • Idsky • Bug-ul a fost confirmat de autori:

Yes, when I said I was going to add that extra message, I meant I would also add a re-roll for the affected players, the game is not randomising the order of the equal players. I guessed it would default to be in the order the players were added to the game but it needs fixing whatever the default order is. It is on my todo list, I've just been a bit busy lately.

30 Sep 2020 00:09 • imbroglio • Bug-ul a fost confirmat de autori:

Sounds great!

21 Oct 2020 20:36 • imbroglio • Bug-ul a fost confirmat de autori:

For (I think) the first time, a tie has gone in my favor!

boardgamearena.com/1/quantum?table=118667175

Has there been a code change that fixed this?

11 Jul 2023 13:52 • CraWleR • Bug-ul a fost confirmat de autori:

I'll do some testing, but this may be solely based on player ID or who created the table, etc. If I can confirm it, then we'll see what we can do.

14 Jul 2023 04:22 • CraWleR • Bug-ul a fost confirmat de autori:

Seems like it's based on the order of players in the database for the table. For some reason, that's inconsistent sometimes and I'm not sure why. Either way, I'm working on adding logic so that if there is a draw in the lowest sum of ship counts, that each player would roll a dice each. If there are still draws, the players that had the draws would continue rerolling until there is only one player with the lowest dice roll.

14 Jul 2023 04:22 • CraWleR • Bug-ul a fost confirmat de autori:

I'm planning to add all of that information to the logs, so it would be transparent.

15 Jul 2023 03:03 • CraWleR • Bug-ul a fost rezolvat:

Just deployed a fix for this. It can get a bit spammy (see screenshots below), but I consider transparency to be more important.

imgur.com/mpz8cTf
imgur.com/2Dkb3LW
imgur.com/pN4YZ4j
imgur.com/MM4GYCY
imgur.com/IrW8uqC

Let me know if this is still an issue. Closing as fixed now.

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#22392: "No explanation of who starts first in case 2 or more players have the same result"

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