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Tactics engine bug, app feedback and machine suggestion!

Hi peeps,

Didn't really feel the need to make multiple threads for this, so I'll just try to cram it all in one.

1. I'm loving the update to the tactics. This made me swap from chesstempo to Lichess for my tactics practice. I noticed a very small bug however. It's nothing major, so low priority, but I'd like to report it either way. If you activate the engine after finishing a tactic it works just fine, but if you leave it on and do another tactic, when you're done with that tactic, the engine will be like "activating engine" and be stuck there (it won't ever load and it's stuck on activating). I'm on Opera 41 browser (uses Chrome engine).

2. I'm loving the app as well. One thing that bothers me a lot though, is that you cannot adjust the volume (of pieces moving, for example). It's either on or off (using the slider on the side of my iPhone). If I turn it on and have my volume on low, the sound the pieces make when they move is still extremely loud.

3. I'm 1 inch away from making lichess my main chess website. To practice (and when restraint on time), I like to play against the computer. Also to analyze games and to figure out the best move in a certain situation. Playing against the computer on chess.com has many benefits. It has a "hint" option and allows for an engine to run at the same time so you can figure out how you're doing. Lichess doesn't have this yet. I would love for this option to be implemented. Using an engine or a hint option against the computer wouldn't be cheating and it's very helpful in case you're stuck and you want some feedback on what the next best move is. Playing against the computer on Lichess is very restricted. This is the one major thing that makes me go back to chess.com instead of sticking with Lichess (for computer play only!). If playing against the computer could receive these updates, there's no reason to ever go back to chess.com for me. (Obviously, as on chess.com, playing against the computer would prevent you from playing against another player at the same time, to prevent cheating).

Example: http://i.imgur.com/DyOuS4s.jpg

Sorry for the wall of text. All in all, I love the site! Thanks for reading and keep it up! :)
"I'm loving the update to the tactics. This made me swap from Chess Tempo to Lichess for my tactics practice."

Seriously? That's quite an honor... thanks for reporting the "engine stuck" issue and iOS volume issue.

Showing engine evaluations is an intractable problem since (as Chess24 warns and StLCC demonstrates) they ruin live commentary. The only case where an evaluation could be appropriate is if either player is an engine, and even then it would make sense to scale the output:
http://github.com/ornicar/lila/issues/1494

to display "winning odds" rather than (or more prominently than) CP scores. Why? Winning odds can be tested for correctness, whereas engine evaluations (other than checkmate in N) cannot be tested for correctness.
Thanks for your fast reply. :)

I don't want engine evaluations in PvP (player vs player) games. I'm talking about a hint feature in player vs computer games (or 'playing the machine' as Lichess calls it). I play the computer as a means to improve and analyze my game while I'm still playing. I like to take my time to think of a move and then click on the hint button to see what the computer came up with and then I compare my choice with the choice of the computer and try to find the pros and cons of each move (if they differ). (Having an engine evaluation run at the same time to see why my move would be so bad (or good) is also a huge plus).

This would make playing the computer another learning tool and I think chess.com nails it in that regard. I'm not asking to show evaluations or winning odds in player vs player matches. This is purely a suggestion for playing the computer. This could then be toggled on or off (with a simple click) if a player desires to play the computer normally).

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