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Changed Tournament Scoring and Training Difficulty Selector

Firstly, the tournament scoring method has been updated in attempt to make the system fairer, yet remain competitively interesting.

To view the system being used, go to: http://en.lichess.org/tournament/BZq0ei1X under "How are scores calculated?"

As well as updating the scoring method, the visual design of the tournament page has been refreshed to display scoring, and comparative ranking in a more accessible format.

These changes can be seen by going to: http://en.lichess.org/tournament/AHIoFqU9
N.B. The rankings are out of order as this tournament was played before the changes were implemented.

Secondly, a training difficulty selector has been added to the training page. This can be seen by going to: lichess.org/training and looking at the left hand side of the page.

The Easy difficulty will select puzzles that are primarily below your current training level; Normal will select puzzles around your ability; and Hard will select puzzles above your ability.
Good work! I really like both changes. I'll have to try a tournament to get a feel for the new system.

Were the rankings in the upper-left of http://en.lichess.org/tournament recalculated according to the new scoring method? If not, can they be? If the leaders obtained their scores via the initial streak reward system, they got an unfair scoring boost that no new players can easily overtake.
#4: oh darn, yes I meant "now".

#5: Yes I suppose I have to recompute them.
Yes, you'll probably want to recompute anyway, to fix strange issues like in this past tournament: http://en.lichess.org/tournament/a6Y7bexa For some reason, my streak starts after just one game. A recompute would probably fix this? It would also recalculate new tournament winners, in some rare cases.

(I just had to link to a tournament that I won, haha)
Actualy ChessWhiz, this tournament is fine. It's just that only your 20 last games are shown, so we don't see the initial win that started the streak.

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