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Post the answers for the holiday chess puzzler 2018 here!

What I know
2: Wesley So
3: Rook
4: Vladimir Fedoseev
5: Chess.com
6: I forgot
7: Anna Ushenina but not 100% sure
8: Hou Yifan
9: No idea
10: Vladimir Kramnik (not sure)
11: No idea
12: Gawain Jones maybe
13: Not sure... Bishop or Rook probably
14: Searched for 1 hour but could not find it
15: Levon Aronian
16: Switzerland
17: White wins (checked with tablebase)
18: Anatoly Karpov
19: 14
20: Sam Shankland
Last update: 12:46 PM EST on December 22, 2018
The only one that I know that is not on here is #11, the Seinfeld one. The answer is "Tractor." I have seen every Seinfeld episode (and have on DVD). Plus, I double checked the answer by viewing the online episode transcripts (for those wanting to double check: the episode is "The Burning"). In the scene, Jerry was saying random things (like a tractor) to gain information (without asking) about the girlfriend he knew little about. "Rickshaw" is a red herring to Seinfeld fans who recall Kramer and Newman's plan of having the homeless pull rickshaws (a stupid idea). #11 is "tractor."

2: Wesley So
3: Rook
4: Vladimir Fedoseev
5: Chess.com
6:
7: Anna Ushenina but not 100% sure
8:
9:
10: Vladimir Kramnik (not sure)
11: Tractor
12: Gawain Jones maybe
13: Not sure... Bishop or Rook probably
14:
15: Levon Aronian
16: Switzerland
17: White wins (checked with tablebase)
18:
19: 14
20: Sam Shankland
This will be updated every time someone posts an answer.
#5 is Canucks, I searched it up.
Really? Don't think so.
no way it is

For 17, I ran it with a stockfish program, (nine times) and Every. Single. Answer, was white had a +.20 or higher on white's side. The most I got was a SEVEN dot 58.
I ran it with lc0 and I got the same flipping answers...
anyone know 10? That’s the only one I need
Do you know #9? That's one of the only I need
I tried pm you but couldn't.

anyone know 10? That’s the only one I need
Do you know #9? That's one of the only I need
Oh 9 is hard. I don’t know that one. I got 10 btw

Searched for the answers by myself before finding this thread. I am still missing 7, 10, 12 and 13. I am pretty sure about the other answers, although for some not 100%.
I am quite sure about the answers to 2, 3, 4, 6, 8, 9, 11, 14, 15, 17, 18, 19 and 20.
5 - I don't think it is chess.com, also it would be quite an obvious answer. I am pretty sure I found the answer but I am not 100% certain.
7 - I don't think it is Anna Ushenina (but I don't know who it is).
10 - out of the 3 positions from actual games, this one is not in my database. The others I was able to find.
12 - I don't know who it is, but the picture is definitely from a Tata Steel tournament, which narrows it down.
13 - data on lichess shows the Rook is most often moved (after the pawn), but the difference is small and it may not be the right answer (I could not find the analysis of 4 million games)
16 - I don't think it is Switzerland, the data showing it has 7 GMs is very old. It's not so hard to find the answer to this one. Actually I believe there are 2 correct answers.
wait, where can you find his streams? i was looking at the videos