A jogada foi boa.

A is the feminine singular definite article, meaning the. In this sentence, it refers to a specific move, play, or action that both speaker and listener can identify.

So A jogada foi boa means The play/move was good, not just Play was good.

In normal Portuguese, leaving out the article here would sound incomplete or unnatural unless you were using a very telegraphic style, like a headline or notes.

Because jogada is a feminine noun in Portuguese. Nouns have grammatical gender, and jogada happens to be feminine, so it takes:

• a instead of o
• boa instead of bom

This is grammatical gender, not biological gender. A jogada is just grammatically feminine.

Jogada often means a play, move, or action in a game, sport, or similar situation.

Depending on context, it can refer to:

• a football move
• a chess move
• a clever tactical action
• even a figurative move in life or politics

So although you already know the overall meaning of the sentence, it is useful to know that jogada is broader than just one English word. Its most natural translation depends on context.

It comes from the verb jogar, meaning to play.

A very common pattern in Portuguese is:

• verb stem + -ada

This can create a noun referring to an action, move, or instance of the action. So jogada is something like a play / a move / a played action.

You do not need to translate it literally every time, but it helps to recognize the connection with jogar.

Foi is the 3rd person singular preterite form of ser.

Here it means was in the sense of a completed past event or evaluation:

• A jogada foi boa = The play was good

It suggests the speaker is looking back at a specific move and judging it after it happened.

Portuguese usually uses ser when giving an evaluation or describing what something was like in a more essential or overall sense.

So:

• A jogada foi boa = The move/play was good

This is the normal choice.

Using estar here would sound odd in most contexts, because estar is more about temporary states or conditions. A move is not usually described as being in a good state; rather, it is judged as good.

So for this kind of comment, ser is the natural verb.

Because adjectives in Portuguese usually agree with the noun they describe.

Here:

• jogada is feminine singular
• so the adjective must also be feminine singular: boa

Compare:

• o jogo foi bom = the game was good
• a jogada foi boa = the play/move was good

So the ending changes to match the noun.

It is a predicate adjective after the verb ser.

Structure:

• A jogada = subject
• foi = verb
• boa = adjective describing the subject

So boa is not placed directly before the noun like in a boa jogada. Instead, it comes after the verb:

• A jogada foi boa = The move was good

This is very common in Portuguese, just as in English.

Grammatically, yes, but it changes the meaning.

• A jogada foi boa = The move/play was good
  Refers to a specific move already identified in the conversation or situation.

• Uma jogada foi boa = A move/play was good
  This sounds less natural unless you are contrasting several moves, for example: one was good, others were not.

So in ordinary speech, a jogada is much more likely if you are talking about one particular move everyone is looking at.

A careful European Portuguese pronunciation is approximately:

• A jogada foi boa
• IPA: /ɐ ʒuˈɣaðɐ foj ˈbo.ɐ/

A few useful points:

• j in jogada sounds like the s in measure
• the stress in jogada is on -ga-
• foi is usually pronounced like foy
• boa is typically two syllables: BO-a

A rough English-friendly guide would be:

• uh zhoo-GAH-duh foy BOH-uh

But the real European Portuguese sounds are tighter and less fully pronounced than English ones.

Yes. Although jogada is very common in sports and games, it can also be used figuratively.

For example, it can mean:

• a strategic move
• a clever tactic
• a political maneuver
• a calculated action

So A jogada foi boa can mean not only That was a good play in sport, but also That was a smart move in a broader sense.

You could, but it means something slightly different.

• A jogada foi boa
  A completed past judgment: The move was good

• A jogada era boa
  More descriptive or backgrounded: The move was good / The move used to be good / The move looked good, depending on context

In most simple situations where you are reacting to a specific finished action, foi is the most natural choice.

Yes. It is short, simple, and completely natural.

Portuguese speakers might also say similar things like:

• Foi uma boa jogada. = It was a good move.
• A jogada foi muito boa. = The move was very good.
• Boa jogada! = Nice move!

So the sentence is perfectly idiomatic and useful in real conversation.