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Working with Scoreboard Operations

In this tutorial, we'll show you how to use each of the scoreboard player operations. By the end, you'll create a game with one objective that has six players to represent digits 0, 1, 2, 3, 5, and 10, and another objective with two players whose scores will be changed when you do the operations.

  • Numbers: 0, 1, 2, 3, 5, 10

  • Friends: Alex and Toast

Setting things up

  1. Start by creating two scoreboard objectives, one called called "Numbers" and another called "Friends."

    • /scoreboard objectives add Numbers dummy Numbers
    • /scoreboard objectives add Friends dummy Friends

  2. Display Numbers with the list option and display Friends with the sidebar.

    • /scoreboard objectives setdisplay list Numbers
    • /scoreboard objectives setdisplay sidebar Friends

  3. Add players "Zero", "One", "Two", "Three", "Five", and "Ten" to the Numbers objective and give each player the number of points that matches their name.

    • /scoreboard players add Zero Numbers 0
    • /scoreboard players add One Numbers 1
    • /scoreboard players add Two Numbers 2
    • /scoreboard players add Three Numbers 3
    • /scoreboard players add Five Numbers 5
    • /scoreboard players add Ten Numbers 10

    Note

    After you add a player, when you go back into the chat screen to add another, you can press the up arrow on your keyboard to scroll through previous commands and just change the player name and score value. It saves a little bit of typing. Image of a scoreboard objective named "Numbers" displayed in a list

  4. Add the players, "Alex" and "Toast", to Friends and give each of them a score of 4.

    • /scoreboard players add Alex Friends 4
    • /scoreboard players add Toast Friends 4 Image of objective named Friends with scores - Alex 4 and Toast 4

Now that your players and objectives are added, it's time to start operating the game!

Let's operate!

  1. The first step to our operation is assigning values to our players. The current value for Alex's score is 4. Use the = operator to assign the value of player Ten's score (10).

    • /scoreboard players operation Alex Friends = Ten Numbers

    Now Alex has a score of 10!

    Image of objective named Friends with scores - Alex 10 and Toast 4

  2. Next, we'll swap some values between players to show you one of the ways to give a player a particular score.

    • /scoreboard players operation Alex Friends >< Toast Friends

    Now Alex's score is 4 and Toast has a score of 10.

    Image of objective named Friends with scores - Alex 4 and Toast 10

  3. Let's try multiplying Toast's score three times, for a final score of 30.

    • /scoreboard players operation Toast Friends *= Three Numbers

    Now Toast has 30 points.

    Image of objective named Friends with scores - Alex 4 and Toast 30

  4. Use an operation to add Toast's score to Alex's score.

    • /scoreboard players operation Alex Friends += Toast Friends

    Now Alex has 34 points! Since we only ran an operation that affects Alex's score, Toast's score is unaffected and remains at 30. Image of objective named Friends with scores - Alex 34 and Toast 30

  5. Try subtracting 5 from Toast's score.

    • /scoreboard players operation Toast Friends -= Five Numbers

    Toast should end up with 25 points after you run the operation.

    Image of objective named Friends with scores - Alex 34 and Toast 25

  6. Things get a bit less straightforward when you use operations to divide (because division isn't always a clean task).

    • Use an operation like the one below to divide Toast's score by 5, leaving no remainder:
      • /scoreboard players operation Toast Friends /= Five Numbers

    Image of objective named Friends with scores - Alex 34 and Toast 5

    • To divide Alex's score by 5 and include a remainder, use a command like this:
      • /scoreboard players operation Alex Friends /= Five Numbers

    Image of objective named Friends with scores - Alex 6 and Toast 5

    Tip

    In case any of you mathematicians out there are wondering, nothing happens if you divide by zero (Whew!).

  7. You can also use operations to compare Toast's score to Alex's score.

    • In this operation, Alex's score is unaffected while Toast's score will be set to whichever score is higher:
      • /scoreboard players operation Toast Friends > Alex Friends

    Image of objective named Friends with scores - Alex 6 and Toast 6

    Tip

    If you try the operation again when both scores are equal, you should get the same message.

  8. Now let's use the opposite command to compare Toast's score to Three's score.

    • Toast's score will be set to whichever score is lower with this operation:
      • /scoreboard players operation Toast Friends < Three Numbers

    Toast's score is set to 3 because Three had a lower score than them. Image of objective named Friends with scores - Alex 6 and Toast 3

  9. The Modulo operation takes Alex's current score, divides it by 2, and then returns the remainder.

    • This operation sets the returned remainder as Alex's new score:
      • /scoreboard players operation Alex Friends %= Two Numbers

    Alex's score is set to 0 because it was an even number! Image of objective named Friends with scores - Alex 0 and Toast 3

What's next?

Now that you've learned about scoreboard operations, you should consider looking into command blocks and functions to try combining it all together.

Command Blocks Introduction to Functions

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