Hold'em table

Calling 50 offers good pot odds with K3o, and raising would likely commit too much against a random big blind range that will often call.

I am in the big blind with no raise to call, so checking is free and keeps my weak Q-7 hand alive without committing more chips. I'll see a flop before deciding.

I have K-high with no draws and am out of position, so checking keeps the pot small and gives me a free card to improve.

Checking back with Qs7h on a 4c Ts 2c flop keeps the pot small and avoids building a big pot with a mediocre hand. The board is relatively dry, and I want to see a cheap turn card while preserving my stack.

The board is dry and I have no strong draws, so I want to keep the pot small and see a free river. Checking also avoids building a big pot with a weak hand.

I have a weak pair of 4s and the opponent has checked all streets, indicating a weak hand. I'll check to see a free showdown rather than risk chips with a marginal hand.

The board is paired with a 4, and my hand is just a queen-high with no pair or draw. I have no value to extract and little chance to win, so checking and hoping to split the pot is the best play here.

2c6h is a very weak hand out of position against the big blind, and calling with it has poor expected value. Folding preserves chips for better spots.

7s4d is a weak hand that does not justify calling the small blind's 50-chip bet, especially with the button already folded. Preserving chips for better spots is the best play here.

I have Qc3s on the button in the big blind seat, but the small blind opened to 100 and I only have a weak suited connector with backdoor potential. Folding preflop is the most disciplined play to preserve my stack.

J6s is a reasonable hand heads-up; raising takes initiative and puts pressure on the big blind, who may fold or call with a worse hand.

I have a playable hand (J9o) and am getting good pot odds to call the raise, so I'll see the flop and evaluate from there.

Top pair on a monotone board; betting protects against flush draws and gets value from worse jacks or 9x.

AQo on the button is a strong 3-handed opening hand, so I raise to 3x the big blind to take initiative and charge the blinds.

AK suited is a premium hand; 3-betting for value and to narrow the field while out of position.

I have a weak suited hand (4d Qd) facing a significant preflop raise to 1000 with only 900 to call, making the pot odds unfavorable for this speculative holding.

AQo is strong enough to continue in position against a small-blind 3-bet in a 3-handed game, and calling keeps the pot manageable while realizing equity postflop.

I have overcards and backdoor draws, and I raised preflop, so a continuation bet can take down the pot if my opponent missed. Betting also builds the pot if I improve on the turn.

With 2c3d I have almost no equity versus the big blind's range. Calling 50 into a 150 pot is a fold in this spot.

I have Th3c on the button with only 150 in the pot and 100 to call; the pot odds don't justify continuing with this weak hand, so I'll fold to preserve my stack.

Getting 3:1 odds with a suited hand, calling is cheap and we can evaluate on the flop. Raising risks too much with a weak hand out of position.

With A2o out of position and no raise yet, checking is cheap and lets me realize equity; raising would bloat the pot with a weak ace.

I have 8-high with no pair or strong draw on a coordinated board, and I'm out of position; checking controls the pot and avoids risking chips with very little equity.

I only have ace-high with a backdoor diamond draw, so checking keeps the pot small and lets me see the turn for free.

I have no pair or draw on a coordinated board and am out of position; checking keeps the pot small and avoids bluffing into a range that can call.

I made the ace-high Broadway straight, and the opponent has checked every street, so I am ahead of most hands unless they were slowplaying a flush. A modest value bet should get called by worse made hands.

I have only 8-high on a coordinated board and no draw, so calling a river raise with no showdown value is not profitable.