Just had couple of games with AC, for the first time. In contrary to Barca and Juvi, they have amazing squad in the game with stats that match their abilities in real life.
I played against Brazil on 6 stars and won 2/0 and 4/1.
I tried the same upper formation 4-3-1-3 only changed my formation B to 4 4 2 (2 OMFs, and 2 CFs). I noticed 442 also works so well with the team as they have good mid feild players such as Seedorf, R. costa and Kaka. I tried the following line up:
GK Dida
CBs: Nesta and Stam.
Tough defensers, really. they do have D-line control special ability that help them control the defense line, especially in offside.
SB: Maldini, Cafu. I gave cafu offensive arrows in my 4,4,2.
CMFs: Gattuso & seedorf. As a matter of fact, my CMF1 in 4-2-1-3 formation acts as DMF. But, personally, I prefer to have him a CMF with defensive orientation to have him move freely and, when I slow down the pace, participate in offense.
OMF: I tried R.Costa and Kaka, and both acually scored. As I said, I rely a lot on this position and score many goals by my OMF with this formation.
RW: Kaka or Inzagi.
LW: Vieri or Gilardino.
CF: Sheva. One of the best in this game. I could have used him easily as LW or RW and let Veiri, Inzagi or Gilardino as my main CF. Howver, I prefer to have him as a CF cause he is a goal waiting to happen. He is the only one in this line up with Line Positioning special ability. This helps him have forward runs and in the meantime not to fall in the offside.
I tried this formation yesterday with Chelsea against a good human opponent (he plays with AC) and worked really well. It was the first time I play with him. In the begining, I lost 2 games in a row with Barca and Juvi, then I had a good come back and won 6 in a row with Chelsea
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It was the first time I try them, as I rarely play with clubs. I guess similar to your friends, my friend yesterday freaked out from my master league team and insisted in playing only with clubs
Just a final note, I don't think 4,3,1,3 is mainly a counter football. Actually, I use it a lot to keep the ball and play slow passing football. You would just need to rely on your dribbiling technique here, especially against human opponents, where pressure is much feirce. I think it works both ways.