type_effectiveness <[]Struct>

# type_attacking type_defending multiplier
0 WATER FIRE 20
1 FIRE GRASS 20
2 FIRE ICE 20
3 GRASS WATER 20
4 ELECTRIC WATER 20
5 WATER ROCK 20
6 GROUND FLYING 0
7 WATER WATER 5
8 FIRE FIRE 5
9 ELECTRIC ELECTRIC 5
10 ICE ICE 5
11 GRASS GRASS 5
12 PSYCHIC PSYCHIC 5
13 FIRE WATER 5
14 GRASS FIRE 5
15 WATER GRASS 5
16 ELECTRIC GRASS 5
17 NORMAL ROCK 5
18 NORMAL GHOST 0
19 GHOST GHOST 20
20 FIRE BUG 20
21 FIRE ROCK 5
22 WATER GROUND 20
23 ELECTRIC GROUND 0
24 ELECTRIC FLYING 20
25 GRASS GROUND 20
26 GRASS BUG 5
27 GRASS POISON 5
28 GRASS ROCK 20
29 GRASS FLYING 5
30 ICE WATER 5
31 ICE GRASS 20
32 ICE GROUND 20
33 ICE FLYING 20
34 FIGHTING NORMAL 20
35 FIGHTING POISON 5
36 FIGHTING FLYING 5
37 FIGHTING PSYCHIC 5
38 FIGHTING BUG 5
39 FIGHTING ROCK 20
40 FIGHTING ICE 20
41 FIGHTING GHOST 0
42 POISON GRASS 20
43 POISON POISON 5
44 POISON GROUND 5
45 POISON BUG 20
46 POISON ROCK 5
47 POISON GHOST 5
48 GROUND FIRE 20
49 GROUND ELECTRIC 20
50 GROUND GRASS 5
51 GROUND BUG 5
52 GROUND ROCK 20
53 GROUND POISON 20
54 FLYING ELECTRIC 5
55 FLYING FIGHTING 20
56 FLYING BUG 20
57 FLYING GRASS 20
58 FLYING ROCK 5
59 PSYCHIC FIGHTING 20
60 PSYCHIC POISON 20
61 BUG FIRE 5
62 BUG GRASS 20
63 BUG FIGHTING 5
64 BUG FLYING 5
65 BUG PSYCHIC 20
66 BUG GHOST 5
67 BUG POISON 20
68 ROCK FIRE 20
69 ROCK FIGHTING 5
70 ROCK GROUND 5
71 ROCK FLYING 20
72 ROCK BUG 20
73 ROCK ICE 20
74 GHOST NORMAL 0
75 GHOST PSYCHIC 0
76 FIRE DRAGON 5
77 WATER DRAGON 5
78 ELECTRIC DRAGON 5
79 GRASS DRAGON 5
80 ICE DRAGON 20
81 DRAGON DRAGON 20