Hold'em table

T5o is a weak offsuit hand with poor playability and is easily dominated. Folding from the button avoids investing chips in a marginal 3-handed limped pot.

4s Qh is a weak offsuit hand that doesn't play well out of position. Seat 1 folded, but I'm facing a 50bb call from the SB with no initiative, so folding preserves my stack for better spots.

6s9h is a weak offsuit hand with no clear play against a raise and a call; folding preflop minimizes losses with this speculative holding.

J2o is too weak to complete from the small blind out of position against the big blind, so folding is the lower-variance play.

43s is too weak to open from the button for a full big blind; folding preserves chips.

K9o is strong enough to raise against the big blind after the button folds, taking initiative and often winning the pot preflop.

Calling with Qd5d keeps me in the hand cheaply and preserves the possibility of a flush or straight draw on later streets.

Continuation bet on an ace-high board to represent a strong hand and fold out better unpaired hands; if called or raised, I can shut down.

I have a backdoor flush draw with Qd5d, but the board is Ace-high and opponent represents strength. Calling keeps the pot manageable and allows me to see a turn card cheaply without overcommitting.

I have only king-high on an ace-high board and my flop bet was called; checking lets me see a free river and avoid building a bigger pot with no made hand.

I have a backdoor flush draw with Qd5d on a 3d-Ah-2s-7s board, but no made hand. Since the action is on me and to_call is 0, checking is the safest play to see the river without investing more chips into a pot where seat_1 has shown strength.

My 9c pairs the board but with a king kicker on an ace-high board, and seat_2 has called every street. Checking controls the pot and avoids getting raised off a marginal hand.

Board is unpaired and dry; my Qd5d has no made hand and no clear backdoor draws. Seat 1 checked twice on turn and river, signaling weakness, so I will check behind to realize equity cheaply and avoid building a pot I likely lose.

J4o is too weak to call a raise or invest chips from the button in a 3-handed pot, especially with two active blinds behind. Folding avoids marginal spots and preserves stack.

Seat 1 folded, leaving a heads-up pot. My Kd connects well with the small blind's range, and calling 50 to see a flop is a low-cost way to realize equity without overcommitting.

ATo is ahead of a limp heads-up and I have position, so a small value raise builds the pot without overcommitting.

Seat 3 raised to 400 with Kd-7h, which is too weak to call a 300 bet out of position. Folding preserves my 9900 stack for better spots.

Kd7c is a weak offsuit hand with limited playability, and I am out of position facing a raise from the big blind. Folding preserves my stack for better opportunities.

Q6o is too weak to complete out of position against the big blind after the button folds, so I give up the small blind rather than play a dominated hand.

36 offsuit is too weak to open from the button for a full big blind, so folding preserves chips.

Button folded, so it's small blind versus big blind. K2o has enough equity against a random range, and a min-raise applies pressure while taking the initiative.

5d 9h is a weak hand and calling 100 more into a 200 raise from the SB is not justified with no fold equity.