Here is scenario in which NC makes the postseason with 3 additional wins (64 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              LG	89	52	3	0.6312	0.0
          Hanwha	85	55	4	0.6071	3.5
             SSG	74	65	5	0.5324	14.0
         Samsung	74	67	3	0.5248	15.0
              NC	64	72	8	0.4706	22.5
              KT	65	74	5	0.4676	23.0
             KIA	64	74	6	0.4638	23.5
           Lotte	63	73	8	0.4632	23.5
          Doosan	62	74	8	0.4559	24.5
          Kiwoom	52	86	6	0.3768	35.5

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	80	49	3	12	0.620	0.0
          Hanwha	76	53	3	12	0.589	4.0
             SSG	65	60	4	15	0.520	13.0
              KT	65	63	4	12	0.508	14.5
         Samsung	66	64	2	12	0.508	14.5
           Lotte	63	64	6	11	0.496	16.0
              NC	61	62	6	15	0.496	16.0
             KIA	61	65	4	14	0.484	17.5
          Doosan	56	70	6	12	0.444	22.5
          Kiwoom	43	86	4	11	0.333	37.0

The next two tables show, respectively, how many of their remaining games each team wins and ties against each of the other teams in the scenario:

					Scenario Additional Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	0	0	0	0	0	1	1	0	4	6
Hanwha	0	-	3	0	2	3	1	0	0	0	9
KIA	0	0	-	0	0	0	0	3	0	0	3
Kiwoom	3	1	1	-	1	0	1	0	2	0	9
KT	0	0	0	0	-	0	0	0	0	0	0
LG	1	0	0	0	4	-	1	2	1	0	9
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	0	0	1	0	1	0	1	-	0	0	3
Samsung	0	0	2	0	1	0	3	1	-	1	8
SSG	0	1	2	0	2	0	1	3	0	-	9
-----------------------------------------------------------------------------------
Losses	4	2	9	0	11	3	9	10	3	5

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	2	0	0	0	0	1	2	1	0	2
Hanwha	1	-	0	0	0	1	0	0	0	0	1
KIA	0	0	-	2	1	0	1	0	0	1	2
Kiwoom	0	0	0	-	0	0	0	2	0	2	2
KT	0	0	1	0	-	0	0	1	0	0	1
LG	0	0	0	0	0	-	2	0	0	0	0
Lotte	0	0	1	0	0	0	-	1	1	0	2
NC	0	0	0	1	0	0	1	-	0	1	2
Samsung	1	0	0	0	0	0	0	0	-	1	1
SSG	0	0	0	1	0	0	0	0	0	-	1
-----------------------------------------------------------------------------------
Total	2	1	2	2	1	0	2	2	1	1

The next two tables show, respectively, how many total games each team wins and ties against each of the other teams in the scenario:

					Scenario Total Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	8	6	9	4	6	8	6	6	9	62
Hanwha	6	-	12	13	11	8	10	9	8	8	85
KIA	9	4	-	7	8	5	8	9	7	7	64
Kiwoom	7	3	7	-	6	7	5	5	6	6	52
KT	11	5	7	10	-	4	6	6	10	6	65
LG	10	7	11	9	12	-	10	10	10	10	89
Lotte	7	6	7	11	8	4	-	7	7	6	63
NC	8	6	7	9	9	6	8	-	7	4	64
Samsung	9	8	9	10	6	6	8	9	-	9	74
SSG	7	8	8	8	10	6	10	11	6	-	74
-----------------------------------------------------------------------------------
Losses	74	55	74	86	74	52	73	72	67	65

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	2	1	0	1	0	1	2	1	0	8
Hanwha	1	-	0	0	0	1	0	1	0	0	4
KIA	0	0	-	2	1	0	1	0	0	1	6
Kiwoom	0	0	0	-	0	0	0	2	0	2	6
KT	0	0	1	0	-	0	2	1	0	0	5
LG	0	0	0	0	0	-	2	0	0	0	3
Lotte	0	0	1	0	0	0	-	1	1	0	8
NC	0	0	0	1	0	0	1	-	0	1	8
Samsung	1	0	0	0	0	0	0	0	-	1	3
SSG	0	0	0	1	0	0	0	0	0	-	5
-----------------------------------------------------------------------------------
Total	8	4	6	6	5	3	8	8	3	5

# NC Dinos magic number
# NC's magic number
# Dinos magic number
# KBO Playoff Race