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Windows 10. Using the Direct3D10 renderer. Game version 451 (can't join servers without this version). I got the Direct3D10 patch. Pointer precision is disabled from windows. Direct input is on in game. Mouse smoothing is disabled in game.

Note that the problem is not acceleration, managed to solve that. It's the delay. There is a slight but noticeable delay between moving my mouse and that movement being registered. As if vsync is on, which should not be on. Vsync is forced disabled from the GPU control panel. Uncapped framerate also forced from the GPU control panel. The game seems capped at 60 FPS. The MINIMUM framerate from in-game is set to 60 on the other hand.



Found the fix. Apparently vsync is forced on from the game. It doesn't care that the GPU is forcing it off. Edit UnrealTournament.ini in your main/ System folder. Find all instances of UseVSync=True and VSync=True and change it to False. That's it.
Post edited October 01, 2020 by Godfather2015
What matters to me is fluidity and the mouse response, Try play on window mode alt + enter or even on UnrealTournament.ini edit StartupFullscreen=False, I use directx 11 renderer, but i disable all fancy stuff and increase CacheSizeMegs, I have the rederer like this, for some reason the vsync off worsens the fps consistency as it adds a lot of frame stuttering:

Coronas=True
HighDetailActors=True
VolumetricLighting=True
ShinySurfaces=True
DetailTextures=True
Precache=False
Antialiasing=1
Anisotropy=4
VSync=True
ParallaxOcclusionMapping=False
LODBias=0
BumpMapping=False
HDR=False
AlphaToCoverage=True
AutoFOV=True
FPSLimit=64
UnlimitedViewDistance=True
ASSAO=False
ASSAOContrast=0.300000
ASSAOScale=0.200000
HDRLuminance=0.600000
HDRAdaptationSpeed=0.200000
HDRBloom=0.200000
HDRFilmicTonemapping=True
SSR=False
SSRIntensity=0.350000
ParallaxRange=1.000000
BumpMappingContrast=0.500000
SSRNonTransparentWater=True
SSRModelIntensity=0.500000
OneXBlending=False
Tesselation=False
TessDefaultFactor=0.300000
FullMeshLOD=False
SupportMETextEnabled=True
FastAltTab=False
DisableTextureFiltering=False
DescFlags=0
Description=