How do you see all those stuff simultaneously?


Over time, you start to recognize some hints, though. Like, “these two pieces are aligned on a diagonal, that means that they might get pinned by a bishop at some point.” Or, “knights are no longer on the board, I don’t have to worry about knight forks.” Or, “the position is so blocked, it’s not likely that a mating threat is coming through the center of the board.” It comes with experience and with recognizing why you didn’t see a tactic when you got hit with it.
fast play like you indicate in your ratings gives you no time to look and isn't the greatest way to learn deep strategy. But if you like it, that is fine, just consider playing some slow games where you can think every move.
for fast play, though: its about 3 simple things for a while (there are deeper things if you get into the upper ratings). One is pattern recognition : very similar board positions with a key strategic element like Q+N = mate from across the board, and extrapolations of those like throw away a piece to uncover this attack. Another is just openings and endings: you should know your endings cold so they don't take time and you don't turn a win into a draw or a draw into a loss or lose on time because you don't know the pattern etc. And finally, basic stuff of not hanging pieces, pins and forks, mating patterns (not endgame, but the out of no-where sneaky stuff like back rank rook).
The bottom line is you don't "see" or discover all this junk every move. You know its there without looking for it. And, also, you keep a running update mentally -- the stuff that was there last move is still there, unless effected by the last move. So, usually, most of what was good/bad last move is still good/bad. With all this stuff, there is a lot you will SEE without LOOKING. At that point, when these ideas sort of hit home, you can indeed expect a rating jump.

When you see chessboard, do you guys naturally see them(hanging pieces, fork attack, pin, skewer, blunder, etc)? Or you actively search for those every single time?
Both.
And if it makes you feel any better, there's the same difference between a strong amateur (like a lower titled player) and a GM. What the GM sees in 5-10 seconds might take a CM 1 hour. Generally, the weaker the player, the more time they have to spend figuring out why bad moves are bad.

And if it makes you feel any better, there's the same difference between a strong amateur (like a lower titled player) and a GM. What the GM sees in 5-10 seconds might take a CM 1 hour. Generally, the weaker the player, the more time they have to spend figuring out why bad moves are bad.
That's a good point. They don't undergo a kind of linear progression where you see more and more things faster and faster. They sort of reach new levels and the development is exponential. Some SuperGMs see 6 lines and 7-10 moves deep each in a matter of seconds.
A lot of it is pattern recognition, the other half is pure memory. But there is some otherworldly intuition at play too that cannot reductionalistically be understood but has to be learned by doing. Which is why sometimes you just 'know' that Qd4 is better than Qe5 in such and such endgame position. It's kind of an alien form of logic which is the 'solution' to the most advanced chess problems. But it's not ungraspable and has a lot to do with tiered weighting in strategizing.

If we're talking about blindfold chess, I don't see the entire board at the same time while playing blindfold. I think some people do, but I store areas of the board separately and fluidly. I'll section off stuff as it happens, according to how I understand it. If a normal king's indian happens and I've got black, I store the white pawns on e4 d5 c4, and the black pawns on e5 d6 c7, as one group. Then I've got the kingside to the left, and the queenside to the right. The board's broken into three main chunks in my head, with the white and black side of both, so basically 9 total areas.
During normal play, I basically assign jobs to pieces and then I do my best to not forget their jobs. They could be defending something, attacking something, threatening to activate to better squares, but each piece is doing something. It's easier for me to remember what's happening if I just keep a list of jobs. If someone takes my piece I go "hey that was defended!" and the piece(s) that was(were) defending it, recapture.
If you count attacks on squares, and don't forget about pieces, yours or your opponent's, you can actually avoid most calculations just by making sure you aren't dropping anything. That's how I can play an 80 move game in 60s and (mostly) not drop my pieces, I'm not calculating, I'm just not letting you possibly capture my guys, I just don't let you attack things more times than I have them defended.
As far as seeing tactics goes, doing puzzle rush in survival mode might help. You know that there is something there and that gets you used to looking for tactics.
Concerning your point on how much to calculate for each move, I will admit that I play many of my moves based merely on putting my pieces on good squares without trying to calculate everything. I have often had people ask me how I could see the necessary move to make 8 moves before I executed a tactic/attack and the response is that I didn't see it in advance but merely made a move that looked good. An old bromide is that if you play your pieces to good square then the tactics will naturally follow.
Hi I am a beginner, joined Chess.com a month ago.
And my goal is 700 which is even lower than average. My rating at this moment is 460 (Rapid), 350(Blitz).
My question is how do people see all those positions simultaneously? I mean you have to see hanging pieces, fork attack, pin, skewer, blunder, etc for BOTH white and black. If I take 10 mins per move, I think I can see those. But it will take 100 min just to move 10 times.
When you see chessboard, do you guys naturally see them(hanging pieces, fork attack, pin, skewer, blunder, etc)? Or you actively search for those every single time?
Thanks