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What is the primary purpose of move validation in a chess game system?

easy📝 Conceptual Q11 of 15
LLD - Design — Chess Game
What is the primary purpose of move validation in a chess game system?
ATo ensure only legal moves according to game rules are accepted
BTo update the user interface after a move
CTo save the game state to a database
DTo detect if a player is in check
Step-by-Step Solution
Solution:
  1. Step 1: Understand move validation role

    Move validation checks if a move follows the rules of chess, like piece movement and board boundaries.
  2. Step 2: Differentiate from other functions

    Updating UI or saving state are separate tasks; detecting check is related but distinct from move validation.
  3. Final Answer:

    To ensure only legal moves according to game rules are accepted -> Option A
  4. Quick Check:

    Move validation = Legal move check [OK]
Quick Trick: Move validation means checking if a move follows rules [OK]
Common Mistakes:
  • Confusing move validation with UI updates
  • Thinking move validation detects check
  • Assuming move validation saves game state

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