today i played with 4-5-1v style against a 4-3n-1-2 and won 3-0 so yes it can beat 4-3n-1-2 formation. use attacking mentality, down both flanks, normal tackling, zonal marking, mixed passing, own half pressing and no counter or offside trap.
arrows on AMR/AML and ST
4-3n-2(aml/amr)-1