Chicago Cubs First-Place Clinch Scenario

Chicago does not have a first-place clinch number

Here is a scenario in which Chicago wins all 13 of their remaining games (98 total) but does not but does not clinch first place.

Team             W	L	PCT	GB
Milwaukee        99	63	0.611	0.00
Chicago          98	64	0.605	1.00
Cincinnati       80	82	0.494	19.00
St. Louis        74	88	0.457	25.00
Pittsburgh       70	92	0.432	29.00

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Milwaukee        91	59	12	0.607	0.0
Chicago          85	64	13	0.570	5.5
Cincinnati       74	75	13	0.497	16.5
St. Louis        73	77	12	0.487	18.0
Pittsburgh       65	85	12	0.433	26.0

Next, we show how the remaining series of games in the division play out in the scenario:

Chicago has won the season series with Milwaukee 7 games to 6.
Milwaukee has won the season series with Pittsburgh 10 games to 3.
Pittsburgh has won the season series with St. Louis 7 games to 6.

Chicago currently has 5 wins against Cincinnati and 4 losses.
  Chicago wins 4 additional games against Cincinnati and loses 0.
  Chicago wins the series 9 games to 4

Chicago currently has 7 wins against Pittsburgh and 3 losses.
  Chicago wins 3 additional games against Pittsburgh and loses 0.
  Chicago wins the series 10 games to 3

Chicago currently has 5 wins against St. Louis and 5 losses.
  Chicago wins 3 additional games against St. Louis and loses 0.
  Chicago wins the series 8 games to 5

Cincinnati currently has 4 wins against St. Louis and 6 losses.
  Cincinnati wins 3 additional games against St. Louis and loses 0.
  Cincinnati wins the series 7 games to 6

Milwaukee currently has 7 wins against Cincinnati and 3 losses.
  Milwaukee wins 0 additional games against Cincinnati and loses 3.
  Milwaukee wins the series 7 games to 6

Milwaukee currently has 6 wins against St. Louis and 4 losses.
  Milwaukee wins 3 additional games against St. Louis and loses 0.
  Milwaukee wins the series 9 games to 4

Pittsburgh currently has 4 wins against Cincinnati and 6 losses.
  Pittsburgh wins 3 additional games against Cincinnati and loses 0.
  Pittsburgh wins the series 7 games to 6

Chicago wins 3 games agains teams outside the division and loses 0.
Cincinnati wins 0 games agains teams outside the division and loses 0.
Milwaukee wins 5 games agains teams outside the division and loses 1.
Pittsburgh wins 2 games agains teams outside the division and loses 4.
St. Louis wins 1 games agains teams outside the division and loses 2.

Combining the current standings with the wins and losses from the scenario results in the final standings listed above.
# Chicago Cubs' magic number
# Chicago's magic number
# Cubs' magic number
# MLB Playoff Race