The first comparison should definitely be based on head-to-head matches between opponents, but if there are three players and each has won against each other, something needs to be devised.
Tournament Committee 3 is also not an option for two reasons.
1. Tournament Committee 3 also takes time. And the problem is often scheduling. A match can last for several hours.
2. A similar situation may arise where a player has one win and one loss. What then? Play again?