class games {
   date: date
   finished: boolean
   winner_id: bigint
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}
class rounds {
   round_number: integer
   game_id: bigint
   winner_id: bigint
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}
class scores {
   round_id: bigint
   user_id: bigint
   points: integer
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}
class users {
   name: varchar(255)
   surname: varchar(255)
   email: varchar(255)
   email_verified_at: timestamp(0)
   password: varchar(255)
   remember_token: varchar(100)
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}

class games {
   date: date
   finished: boolean
   winner_id: bigint
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}
class rounds {
   round_number: integer
   game_id: bigint
   winner_id: bigint
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}
class scores {
   round_id: bigint
   user_id: bigint
   points: integer
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}
class users {
   name: varchar(255)
   surname: varchar(255)
   email: varchar(255)
   email_verified_at: timestamp(0)
   password: varchar(255)
   remember_token: varchar(100)
   created_at: timestamp(0)
   updated_at: timestamp(0)
   id: bigint
}

<?php
// Game.php
    public function rounds(): HasMany
    {
        return $this->hasMany(Round::class);
    }

<?php
// Game.php
    public function rounds(): HasMany
    {
        return $this->hasMany(Round::class);
    }

<?php
// Round.php
    public function game(): BelongsTo
    {
        return $this->belongsTo(Game::class);
    }

<?php
// Round.php
    public function game(): BelongsTo
    {
        return $this->belongsTo(Game::class);
    }

<?php
// Score.php
    public function round(): BelongsTo
    {
        return $this->belongsTo(Round::class);
    }

<?php
// Score.php
    public function round(): BelongsTo
    {
        return $this->belongsTo(Round::class);
    }

<?php
// RoundsRelationManager.php

    public function form(Form $form): Form
    {
        $schema = [];

        $this->getRelationship()->getParent()->users->each(function ($user) use (&$schema) {
            $schema[] = TextInput::make("scores.{$user->id}.points")
                ->label("Score for {$user->name}")
                ->numeric()
                ->required()
                ->minValue(0)
                ->default(0);
        });

        return $form->schema([
            TextInput::make('round_number')
                ->label('Round Number')
                ->disabled()
                ->default(fn() => $this->getRelationship()->getParent()->rounds()->count() + 1),
            ...$schema,
        ]);
    }

<?php
// RoundsRelationManager.php

    public function form(Form $form): Form
    {
        $schema = [];

        $this->getRelationship()->getParent()->users->each(function ($user) use (&$schema) {
            $schema[] = TextInput::make("scores.{$user->id}.points")
                ->label("Score for {$user->name}")
                ->numeric()
                ->required()
                ->minValue(0)
                ->default(0);
        });

        return $form->schema([
            TextInput::make('round_number')
                ->label('Round Number')
                ->disabled()
                ->default(fn() => $this->getRelationship()->getParent()->rounds()->count() + 1),
            ...$schema,
        ]);
    }