How’s my chart looking??

Think I have a decent chance of possibly conceiving?? Had sex on March 21 around 9-10am and I ovulated around 3pm on March 22 bc I had the usual back burning sensation to confirm it along with my bbt. My last two pregnancies (miscarriages) I ended up having sex on the exact day of ovulation...hopefully this time the day before also did the trick?!?