Opening trainer on line

Can someone point me to a good opening trainer on line--something along the lines of the sites I mentioned in Thread 112514? Thanks.

What good is an opening trainer?

Originally posted by thesonofsaul
What good is an opening trainer?

Perhaps. Or maybe one can look at the games of Bob "N-QR3" Dunkin, a man whose rating peaked at the master level and was well known for starting his games as white with 1.Na3, and conclude that book openings aren't as important as some would make them out to be.

Originally posted by thesonofsaul
Perhaps. Or maybe one can look at the games of Bob "N-QR3" Dunkin, a man whose rating peaked at the master level and was well known for starting his games as white with 1.Na3, and conclude that book openings aren't as important as some would make them out to be.

Originally posted by thesonofsaul
Perhaps. Or maybe one can look at the games of Bob "N-QR3" Dunkin, a man whose rating peaked at the master level and was well known for starting his games as white with 1.Na3, and conclude that book openings aren't as important as some would make them out to be.

Thanks for all the helpful posts!

Originally posted by HolyT
Thanks for all the helpful posts!