A chess tournament is occurring in the local community school, and the players at all four of the tables are engaged in their fourth game against their prospective opponents.
The players with white pieces are: David, Gerry, Lenny and Terry
The players with black pieces are: Don, Mike, Richie and Stephen
The scores are 3:0, 2.5:0.5, 2:1, 1.5:1.5
[note: tied games result in a score of 0.5 points for each player]
Lenny is playing at the table to the right of Stephen, who has lost all of his games until now.
Gerry is playing against Mike.
At least one game at table 1 has resulted in a tie.
Richie, who is not in the lead over his opponent, has not been in a tied game.
The player who is using the white pieces at table 4 is Terry, however, the current score at table 4 is not 2:1.
Don is leading his match after his last three games.
What table is Stephen playing at, and what is the score at that table?