If you look at the definition for 'Original' you will be hard-pressed to name any engines that are 'Original'!

Question: when comparing H1.03a to I999949 what conclusions can be drawn from the depths reached, i.e., if H1.03a states a depth count of 32/70 is this the same as a 32.44 depth count declared by I999949? If the first two digits of the depth count are different for both engines, then which of the ...

Absolutely right Dr Ivannik - as my gran would say, make the most of the best and the least of the worse!

That fixed it!

I will try downloading latest version of WinRAR; I already have latest version of 7zip

Just to add, I get a set of WinRAR error messages for each zip file stating 'unknown method'?

When I double-click the IvanHoe999949j.exe POPCNT x64 file stored within the 'Data Analysis' folder I get a windows pop-up message that states the .exe file is not a valid win32 application?

I just get 'this is not an uci engine' in the ShredderClassic GUI window - I have tried all Intel x64 compiles using 'default' and 'popcnt' from both 'analysis' and 'game-play' versions - I will carry on using H103a! )

Could you provide a link to ccc - google gives too many possibilities I'm not sure I have enough years left in my life to check them all! )

at 3min/move around 2700 I think for Shredder