What is the difference between Chess.com Diamond and Platinum memberships?

The main difference between Platinum and Diamond Chess.com memberships lies in the depth of game analysis and the inclusion of coach explanations. Platinum offers unlimited game review and analysis, while Diamond adds coach explanations and the Insights feature, which provides deeper insights into gameplay.
[30/04, 12:40] Munasinghe: Platinum:
Includes all benefits of Gold (unlimited puzzles, lessons, bots, no ads).
Unlimited Game Review and Analysis: This allows you to analyze your games in detail, identifying strengths and weaknesses.
Diamond:
Includes all benefits of Platinum (unlimited game review, puzzles, lessons, bots, no ads).
Unlimited Coach Explanations: This feature provides detailed explanations of why certain moves were good or bad, helping you understand the reasoning behind them.
Insights Feature: This feature provides even deeper analysis, including an analysis of your opening and endgame play, and can be used to diagnose weaknesses in specific areas of your game.
Analysis Settings Customization: You can customize the depth of analysis and the types of information displayed, allowing you to tailor the analysis to your specific needs.
Custom Flair Icons: You can choose from a variety of custom icons to display next to your name, allowing you to personalize your profile.
[30/04, 12:42] Munasinghe: Lichess and Chess.com generally provide analysis of games at a similar speed, utilizing strong chess engines like Stockfish. While both sites use powerful engines, the methodology for scoring and presenting the analysis can differ slightly, leading to potentially different interpretations of the same game.
Elaboration:
Engine Strength:
Both Lichess and Chess.com employ strong engines like Stockfish to analyze games, which means the fundamental analysis is likely similar in terms of identifying optimal moves and evaluating positions.
Methodology for Scoring and Presentation:
While both sites use engine analysis, the way they interpret and present the data can differ. For example, Chess.com might adjust the frequency of moves based on a "school grade" system, while Lichess might adjust it to reflect winning chances.
Perceived Speed:
Users might perceive Lichess as slightly faster due to its clean and bug-free interface, whereas Chess.com's interface might be perceived as slower due to occasional lag.
Analysis Features:
Lichess is known for its powerful and comprehensive analysis tools, including a larger database of games and the ability to analyze games with multiple engines. Chess.com, on the other hand, focuses on a user-friendly interface and features like the game review tool, which can highlight mistakes and blunders.
Overall, the speed of analysis on both platforms is comparable, but the user experience and the specific features offered can lead to different perceptions of speed and efficiency.