You may not know it yet, but ChainSwap's smart contract was breached on June 10th in a hack that left many victims, including the My Defi Pet protocol. In the hack in question, the attacker managed to

https://blog.crypto.com/axie-infinity-trading-battle/

You need to learn how to manage your capture rate. Every hour you recover 1% capture rate, so basically you should make a maximum of 24 matches a day, so your winnings are close to 100% DEC.