effect of flaggers on daily chess tournaments

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djconnel

This is a typical result from a round of daily chess. There's a 3 day time limit.

Note one player, ranked last, as flagged on 5 of his games, despite the 3-day move limit. That's because he was playing over 230 simultanous daily games. So with that sort of schedule, assuming on average a 3-day move limit on average (72 hours), he has to make a move every 20 minutes, 24 hours per day, just to keep up. He also flagged in dozens of games he was playing in other tournaments.
But there are two effects from this:

  1. In games he manages to finish, he plays strongly. His ELO is unnaturally dragged down by all of the flags. So it's a crapshoot if you play him. Either he flags, and you get free points, or he doesn't, and you're playing a substantially under-rated opponent, with a skewed ELO risk-reward.
  2. It adds a big dose of luck to the tournament. Weaker players who play the flagger can get lucky and get the point from him flagging, or unlucky and struggle to score against the strong player. This can result in weaker, luckier players advancing to the next round over stronger, unlucky players. Chess always has some luck, but it's not supposed to have this much.

One resolution is when starting tournaments, to exclude players who have a high flagging percentage. This is an option when setting up tournaments. I prefer tournaments where players have a relatively low flagging limit.

But additionally, perhaps chess-com can implement other consequences to flagging. For example, give players a simultaneous game limit in daily (joined tournaments add their max simultaneous games to the game limit whether the round is active or not). For example, a new player might have a limit of 10 games. Then when you successfully complete a daily game, your limit increases, perhape by 0.5 games. But if you flag a daily game, your limit drops, for example by 4 games.

djconnel

Here's someone in the 2nd round of a tournament I'm playing. He wins essentially every game, or he times out. This keeps his rating down, gets him under Elo cut-offs, and then it becomes a coin flip whether he plays you, and likely wins, or times out, and you get the lucky point.

Please, tournament organizers, players like this should not be in your tournaments. Please think about setting strict timeout limits on entries.
https://www.chess.com/games/archive/sebataladi