If somebody makes a bet on something like chess or a board game, (we’ll include some types of card games as well), does that count as gambling in Halacha? Gambling (between Jews) is derrabbanan prohibited, but does that only apply to chance based gambling? Or are competition games included? Sources appreciated

If someone makes a bet on something like chess or a board game, (we’ll include some types of card games as well), does that count as gambling in Halacha? 

Gambling (between Jews) is prohibited de-rabbanan, but does that only apply to chance-based gambling? Or are competition games included? 

Sources appreciated