The face of the card (Japanese version)
Type
Primary Industry
Cost
3
Activation
5
Get 1 coin from the bank, on anyone's turn.
Forest is a Primary Industry card in Machi Koro , available in the base game.
Gameplay
When the card's activation number of 5 is rolled by any player, the player with the card gets one coin from the bank on anyone's turn.
Strategy
The per-turn expected value of the card depends on whether the player uses the Train Station establishment to roll two dice, and how many Furniture Factories they own:
v
a
l
u
e
=
{
1
×
1
/
6
,
if player rolls one die
1
×
4
/
36
+
3
×
5
/
36
×
f
f
,
if player rolls two dice
{\displaystyle
value =
\begin{cases}
1 \times 1/6, & \mbox{if player rolls one die} \\
1 \times 4/36 + 3 \times 5/36 \times ff, & \mbox{if player rolls two dice} \\
\end{cases}
}
Or:
v
a
l
u
e
=
{
0.1666
,
if player rolls 1 die
0.02777
,
if player rolls 2 dice and has 0 Furniture Factories
0.444
,
if player rolls 2 dice and has 1 Furniture Factory
0.86111
,
if player rolls 2 dice and has 2 Furniture Factories
1.2777
,
if player rolls 2 dice and has 3 Furniture Factories
1
,
69444
,
if player rolls 2 dice and has 4 Furniture Factories
2.111
,
if player rolls 2 dice and has 5 Furniture Factories
3.52777
,
if player rolls 2 dice and has 6 Furniture Factories
{\displaystyle
value =
\begin{cases}
0.1666, & \mbox{if player rolls 1 die} \\
0.02777, & \mbox{if player rolls 2 dice and has 0 Furniture Factories} \\
0.444, & \mbox{if player rolls 2 dice and has 1 Furniture Factory} \\
0.86111, & \mbox{if player rolls 2 dice and has 2 Furniture Factories} \\
1.2777, & \mbox{if player rolls 2 dice and has 3 Furniture Factories} \\
1,69444, & \mbox{if player rolls 2 dice and has 4 Furniture Factories} \\
2.111, & \mbox{if player rolls 2 dice and has 5 Furniture Factories} \\
3.52777, & \mbox{if player rolls 2 dice and has 6 Furniture Factories} \\\end{cases}
}
The card's value is multiplied again by how many Forests the player owns.