Here is scenario in which LG makes the postseason with 15 additional wins (48 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              KT	120	20	4	0.8571	0.0
             KIA	99	41	4	0.7071	21.0
          Hanwha	98	42	4	0.7000	22.0
         Samsung	96	44	4	0.6857	24.0
              LG	48	92	4	0.3429	72.0	See explanation of tie-breakers below.
          Doosan	48	92	4	0.3429	72.0	See explanation of tie-breakers below.
          Kiwoom	48	92	4	0.3429	72.0	See explanation of tie-breakers below.
             SSG	48	92	4	0.3429	72.0	See explanation of tie-breakers below.
              NC	49	94	1	0.3427	72.5
           Lotte	48	93	3	0.3404	72.5

Explanation of Tie-breakers:
The following table shows how many games each of the teams tied for fifth place in the scenario have already won against each other:
Team	Doosan	Kiwoom	LG	SSG	Total
Doosan	-	3	2	3	8
Kiwoom	2	-	2	4	8
LG	4	4	-	5	13
SSG	3	2	1	-	6

The following table shows how many additional games each of the teams tied for fifth place win against each other in the scenario:
Team	Doosan	Kiwoom	LG	SSG	Total
Doosan	-	11	2	1	14
Kiwoom	0	-	5	10	15
LG	7	2	-	1	10
SSG	8	0	9	-	17

The following table shows how many games total each of the teams tied for fifth place win against each other in the scenario:
Team	Doosan	Kiwoom	LG	SSG	Total
Doosan	-	14	4	4	22
Kiwoom	2	-	7	14	23
LG	11	6	-	6	23
SSG	11	2	10	-	23

The first tiebreaker does not resolve the tie.
The following table shows how many runs each of the teams tied for fifth place as already scored against each other in the scenario:
Team	Doosan	Kiwoom	LG	SSG	Total
Doosan	-	41	15	25	81
Kiwoom	21	-	27	34	82
LG	24	25	-	40	89
SSG	20	33	21	-	74

The following table shows how many additional runs each of the teams tied for fifth place scores against each other in the scenario:
Team	Doosan	Kiwoom	LG	SSG	Total
Doosan	-	15	2	1	18
Kiwoom	0	-	5	10	15
LG	7	2	-	1	10
SSG	16	0	9	-	25

The following table shows how many runs total each of the teams tied for fifth place scores against each other in the scenario:
Team	Doosan	Kiwoom	LG	SSG	Total
Doosan	-	56	17	26	99
Kiwoom	21	-	32	44	97
LG	31	27	-	41	99
SSG	36	33	30	-	99

LG wins the second tie-breaker against Kiwoom

LG finished #0 in the standings last year.SSG finished #0 in the standings last year.

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	33	20	0	91	0.623	0.0
              KT	32	20	1	91	0.615	0.5
         Samsung	31	20	1	92	0.608	1.0
             KIA	28	25	1	90	0.528	5.0
          Hanwha	27	25	0	92	0.519	5.5
          Doosan	25	28	1	90	0.472	8.0
              NC	22	29	1	92	0.431	10.0
             SSG	22	30	1	91	0.423	10.5
           Lotte	21	30	1	92	0.412	11.0
          Kiwoom	20	34	1	89	0.370	13.5

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	11	0	2	0	9	0	1	23
Hanwha	10	-	1	11	0	10	12	11	8	8	71
KIA	9	9	-	10	0	8	9	10	6	10	71
Kiwoom	0	0	0	-	0	5	3	10	0	10	28
KT	10	8	10	7	-	11	12	10	10	10	88
LG	7	0	0	2	0	-	5	0	0	1	15
Lotte	10	0	0	7	0	5	-	5	0	0	27
NC	3	0	0	0	0	11	2	-	0	11	27
Samsung	7	0	5	10	0	11	11	10	-	11	65
SSG	8	0	0	0	0	9	9	0	0	-	26
-----------------------------------------------------------------------------------
Losses	64	17	16	58	0	72	63	65	24	62

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

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	-	1	3	14	2	4	4	12	4	4	48
Hanwha	15	-	3	15	2	13	14	13	9	14	98
KIA	12	13	-	16	1	10	13	12	9	13	99
Kiwoom	2	1	0	-	2	7	5	14	3	14	48
KT	14	12	15	13	-	15	14	14	11	12	120
LG	11	3	6	6	1	-	9	4	2	6	48
Lotte	12	2	1	11	2	7	-	7	3	3	48
NC	4	3	4	2	2	12	9	-	0	13	49
Samsung	11	5	7	13	4	14	13	16	-	13	96
SSG	11	2	2	2	4	10	12	2	3	-	48
-----------------------------------------------------------------------------------
Losses	92	42	41	92	20	92	93	94	44	92

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

# LG Twins magic number
# LG's magic number
# Twins magic number
# KBO Playoff Race