it enough to only opengl.
you must configure.
it is likely that this is only your
[WinDrv.WindowsClient]
MinDesiredFrameRate=75.000000 set it like your screen PC
[Engine.Player]
ConfiguredInternetSpeed=15000
[OpenGLDrv.OpenGLRenderDevice]
FrameRateLimit=150
Translucency=True
VolumetricLighting=False
ShinySurfaces=False
Coronas=False
HighDetailActors=True
DetailTextures=False
UseBGRATextures=True
OneXBlending=True
TruFormMinVertices=0
TruFormTessellation=3
UseTruForm=False
RequestHighResolutionZ=True
UseMultiDrawArrays=False
BufferClippedActorTris=False
SinglePassDetail=False
DetailClipping=False
RefreshRate=85
UseTNT=False
UseS3TC=False
UseAlphaPalette=False
AutoGenerateMipmaps=False
UsePrecache=False
ShareLists=False
UsePalette=True
UseZTrick=False
MaxLogTextureSize=8
MinLogTextureSize=0
MaxLogVOverU=8
MaxLogUOverV=8
GammaCorrectScreenshots=True
GammaOffset=0.150000
DescFlags=0
Descrïption=
GammaOffsetBlue=0.000000
GammaOffsetGreen=0.000000
GammaOffsetRed=0.000000
FastTranslucency=1
VertexLighting=0
Translucency=1
UseVertexSpecular=1
UseTrilinear=False
UseS3TC=True
LODBias=0.000000
MaxAnisotropy=0
SupportsLazyTextures=1
GammaOffset=0.150000
NumAASamples=0
UseAA=False
SwapInterval=0
UseVertexProgram=False
UseCVA=False
UseMultiDrawArrays=True
UseSSE=2
AAFilterHint=0
TexDXT1ToDXT3=False
DynamicTexIdRecycleLevel=100
UseTexPool=True
UseTexIdPool=True
BufferClippedActorTris=True
SinglePassDetail=True
ColorizeDetailTextures=False
DetailClipping=True
UseDetailAlpha=True
NoFiltering=False
UseFilterSGIS=False
Use4444Textures=False
UseAlphaPalette=True
UsePrecache=True
AlwaysMipmap=True
ShareLists=True
UseMultiTexture=True
MaskedTextureHack=False
MaxTMUnits=0
Translucency=1
UseVertexSpecular=1
UseTrilinear=False
UseS3TC=True
LODBias=0.000000
MaxAnisotropy=0
SupportsLazyTextures=1
GammaOffset=0.420000
NumAASamples=0
UseAA=False
SwapInterval=0
UseVertexProgram=False
UseCVA=False
UseMultiDrawArrays=True
UseSSE=2
AAFilterHint=0
TexDXT1ToDXT3=False
DynamicTexIdRecycleLevel=100
UseTexPool=True
UseTexIdPool=True
BufferClippedActorTris=True
SinglePassDetail=True
ColorizeDetailTextures=False
DetailClipping=True
UseDetailAlpha=True
NoFiltering=False
UseFilterSGIS=False
Use4444Textures=False
UseAlphaPalette=True
UsePrecache=True
AlwaysMipmap=True
ShareLists=True
UseMultiTexture=True
MaskedTextureHack=False
MaxTMUnits=0
For an UT where all is set take this and no patch to add
read here
http://unrealtournament.99.free.fr/forum/viewtopic.php?f=4&t=7
and take it here
http://unrealtournament.99.free.fr/utfiles/UT_Demo/WarConfig.rar