[Ruwisc]

Really happy with how this schedule turned out.
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Schedule for 30 teams, 162 games
Designed for this configuration: two subleagues of two divisions each, both with 8 teams in the first division and 7 in the second (so 8-7-8-7)
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For teams in the 8-team divisions:
14 games each against 3 division opponents (7H/7A in four series)
15 games each against the other 4 division opponents (either 6H/9A or 9H/6A in five series)
6 games each against 7 league opponents (3H/3A)
3 games each against 6 randomly selected interleague opponents (3H or 3A; at least two teams played from each interleague division)

For teams in the 7-team divisions:
16 games each against 6 division opponents (either 9H/7A or 7H/9A in five series)
6 games each against 8 league opponents (3H/3A)
3 games each against 6 randomly selected interleague opponents (3H or 3A; at least two teams played from each interleague division)
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Season begins on the first Friday starting from March 29, and ends on the first Sunday from September 29. This is one day shorter than an actual MLB schedule, which begins on the preceding Thursday
All-Star Game is scheduled on day 103 of the schedule, which is a Tuesday in early-mid July
Most interleague games are played before the All-Star break, but obviously not all since some interleague series need to be going on at all times. Similarly, there are more divisional games played after the break than before
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All games begin at either 7:10 PM or 1:10 PM
Monday, Tuesday, Wednesday and Friday games are all at 7:10
Sunday games are all at 1:10
Saturday games are a mix between the two
Thursday games begin at 7:10 PM unless it's the final game of a 4-game series, in which case it's played at 1:10
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Road trips and homestands have not been extensively tested, but I didn't see anything longer than 12 games and anything longer than 9 games should be pretty rare.
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EDIT: fixed errors in which teams were playing each other in consecutive series; should be good now. There is still one pair of teams who play each other both right before and right after the all-star break, but I don't find that too critical.