OP: You seemed to have taken an old school, exploit-your-opponents approach to this single hand. My initial reaction was that I agreed with how you played it. lawdude's Equilabolator analysis (and he suggested that based on that 38% equity) that betting the flop was also correct.
Then I read a a more new school, game theory type approach that considers more than just the single hand played:
Quote:
Originally Posted by phunkphish
Have a plan
If you lead all pairs as weak as 38, your check range is really weak. Do you care? Will you get exploited?
What are villains calling with. Unpaired junk? How often? This will guide your turn betting frequency. Definitely ok to c/f turn after getting called twice.
The J is bad for your hand. You're going to get called down by more 3s 4s and PPs, possibly unpaired junk. Rivers will be hard to play.
Do villains bluff too much if checked to? If they do, can you still profitably call down with this awful hand? (If they consistently bluff and barrel high%, you should tighten your call down range)
Alternately, against some villain types you can x/r bet turn take it down. Or flat x/r turn take it down.
I think which approach you take depends on how you read your opponents. As phunkphish mentions from the start, do you care about your checking range or fear being exploited if your range is so weak? In some games, the answers to these questions may be no. In which case, I continue to agree with how you played the hand. I would guess, however, that most 10/20 online games are played at a somewhat higher level, and such a weak checking range will be exploited. In which case, I check the flop as phunkphish and others suggest.
Either way, the hand seems pretty straightforward after your initial decision to check or bet the flop.