Here's what I think: There's a big penalty for rebounding while playing FCP, so why bother with it?
I had normal rebounding I think for my level, and mostly got destroyed. I think you're probably safe not to worry about it. The higher your SB the less you need to worry about RB in my opinion.
Higher I try to cover the rebounding penalty of FCP, higher I lose. Plus we are trying to avoid opponent offences even before they can shoot, am I wrong?
You're not wrong. Having said that you can't stop every possession before the shot. I'm not sure but I suspect fcp might be able to lower the quality of the shot.
- At PG position -> Plays PG
- At SG position -> Plays SG #1
- At SF position -> Plays SG #2
- At PF position -> Plays a balanced SF
- At C position -> Plays a PF
Definitely a C is probably worthless so I like your lineup. Two PGs could work, as could two SFs though that can be expensive. I think passing is helpful everywhere.
Would it work - at least against teams at my strength?
Definitely.
One last thing, don't necessarily just look at steals. The important thing is opposition turnovers. A lot of the success with FCP comes when the opponent throws the ball out of play. You don't get credit for a steal but its the same as far as possessions go. Ideally you want 20-25 TOs forced a game, or perhaps more at your level if the average TOs are already high.