- Change all the shooting sliders to even for both you and the CPU (50's for all).
- Change CPu offensive/defensive awareness up to 55-70 depending on your skill level, the higher you go the smarter the CPU will play ( I have mine at 68).
- The offensive/defensive awareness settings is really where you get the difficulty from as it effects the CPU's ability to play with higher or lower bball IQ depending on how high or low yo set it.
- Lastly, and this is where the lower % comes into play without having to change their attributes... Turn offensive consistency down to around 35 or 40 for both you and the CPU. This effects how often you or the CPU will stay hot, the lower you go the harder it will be to consistently shoot around 50% from the field for an entire game(turn down defensive consistency same level to add realistic random defensive breakdowns or rotations like in real NBA).
This lowered consistency paired with higher offensive/defensive awareness will alow the CPU to continue to behave with a high basketball IQ but will lower their chances of being able to consistently hit shots. It adds random variance into the mix where they might hit some tough shots then sometimes they may go cold and miss shots they usually make like you see in actual NBA
I played against the warriors with these settings and it was a shootout at times, then during stretches of the game me or the CPU (sometimes both) would go cold and it would be a defensive grind-it-out slugfest for stretches.
They shot 48% and I shot 46% for FG and they shot 41% from 3pt and I shot 38% from 3Pt (I was the nuggets who are an average shooting team), Final score was 89-81 they beat me but I didn't feel cheated because these little tweaks add in the random errors while keeping the players playing like NBA players who are smart but make random mistakes every now and then.

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