Is it possible to keep one chain prior the fork of bitcoin and bitcoin cash then two chains after the fork, one for each coin? I read it was possible but forgot where i got it from.
We have the main chain called bitcoin, after the fork there was two chains, bitcoin and bitcoin cash, and after the new BCH fork now we have 3 chains: Bitcoin, BitcoinSV and BitcoinABC.
But all that is a lie, now we have tons of chains, let me show it with an image:

Source:
https://bitcointalk.org/index.php?topic=2419168.0