i editted "botskill.cfg" :
--------------------------------------
# Settings for Bots Skill 0-19
MIN_DELAY 0.00
MAX_DELAY 0.10
MIN_TURNSPEED 10.0
MAX_TURNSPEED 12.0
AIM_OFFS_X 0.0
AIM_OFFS_Y 0.0
AIM_OFFS_Z 0.0
HEADSHOT_ALLOW 100
HEAR_SHOOTTHRU 100
SEEN_SHOOTTHRU 100
# Settings for Bots Skill 20-39
MIN_DELAY 0.00
MAX_DELAY 0.10
MIN_TURNSPEED 10.0
MAX_TURNSPEED 12.0
AIM_OFFS_X 0.0
AIM_OFFS_Y 0.0
AIM_OFFS_Z 0.0
HEADSHOT_ALLOW 100
HEAR_SHOOTTHRU 100
SEEN_SHOOTTHRU 100
# Settings for Bots Skill 40-59
MIN_DELAY 0.00
MAX_DELAY 0.10
MIN_TURNSPEED 10.0
MAX_TURNSPEED 12.0
AIM_OFFS_X 0.0
AIM_OFFS_Y 0.0
AIM_OFFS_Z 0.0
HEADSHOT_ALLOW 100
HEAR_SHOOTTHRU 100
SEEN_SHOOTTHRU 100
# Settings for Bots Skill 60-79
MIN_DELAY 0.00
MAX_DELAY 0.10
MIN_TURNSPEED 10.0
MAX_TURNSPEED 12.0
AIM_OFFS_X 0.0
AIM_OFFS_Y 0.0
AIM_OFFS_Z 0.0
HEADSHOT_ALLOW 100
HEAR_SHOOTTHRU 100
SEEN_SHOOTTHRU 100
# Settings for Bots Skill 80-99
MIN_DELAY 0.00
MAX_DELAY 0.10
MIN_TURNSPEED 10.0
MAX_TURNSPEED 12.0
AIM_OFFS_X 0.0
AIM_OFFS_Y 0.0
AIM_OFFS_Z 0.0
HEADSHOT_ALLOW 100
HEAR_SHOOTTHRU 100
SEEN_SHOOTTHRU 100
# Settings for Bots Skill 100
MIN_DELAY 0.00
MAX_DELAY 0.10
MIN_TURNSPEED 10.0
MAX_TURNSPEED 12.0
AIM_OFFS_X 0.0
AIM_OFFS_Y 0.0
AIM_OFFS_Z 0.0
HEADSHOT_ALLOW 100
HEAR_SHOOTTHRU 100
SEEN_SHOOTTHRU 100
--------------------------------------
hope it helps.. cheers !