Setting Launch Options
We go to steam library, right click on the Cs1.6 icon, click on properties and launch options and place the following:

-high -nofbo -nosync -noafonts -noforce -noforcemaccel -nojoy -noforcemparms -nomsaa +gl_Vsync 0 -nod3d9ex1 +gl_ansio 0 +cl_nosmooth 1 -32bpp

Configuring Rates
The following commands can be found in a cfg that I will leave at the end of the guide or you can paste them into your console and they are the following:

cl_cmbackup "2"
rate "128000"
cl_rate "9999"
cl_cmdrate "101"
cl_updaterate"101"
sv_minupdaterate "101"
sv_minrate "101"
sv_maxrate "101"
sv_maxupdaterate "101"

Visibility of fps
With the following commands we can see how many fps the game runs at:
net_graph "3"
fps_max "100"
fps_override "1"

Raise FPS

ati_subdiv "0"
ati_npatch "0"

gl_cull "1"
gl_dither "1"
gl_filpmatrix "0"
gl_keepjunctions "0.000000"
gl_lightholes "0"
gl_max_size "128"
d_spriteskip "0"
gl_monolights "1"
gl_overbright "1"
gl_calette_tex "0"
gl_playermip "1"
gl_polyoffset "0.1"
gl_round_down "6.000000"
gl_spriteblend "0"
gl_wateramp "0"
gl_fog " 0"
gl_ztrick "1"
gl_Clear "0"
gl_vsync "0"
gl_ansio "0"
gl_smoothmodels "0"
gl_texturemode GL_LINEAR_MIPMAP_NEAREST

cl_shadows "0"
cl_vsmoothing "0.05"
cl_himodels "0"
cl_minmodels "1"
cl_weather "0"
cl_nosmooth "1"
cl_nopred "0"
ambient_level "0"
ambient_fade "0"
violence_ablood "0"
violence_agibs "0"
violence_hblood "0"
violence_hgibs "0"
r_decals "0"
r_dynamic "0"
r_eyes "0"
r_mirroralpha "0"