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• Create Date August 5, 2025
• Last Updated August 22, 2025

Les Chats series Chess book opening

Why Subscribe to the Platinum or Gold Membership for the LesChats Opening Book?

In the competitive world of computer chess, having a cutting-edge opening repertoire is essential for success. The **Les Chats** opening book has already demonstrated outstanding performance in its public version, earning high praise from the chess engine community. By subscribing to the **Silver Membership**, you gain **daily updates** with the latest refined versions of this book in **.bin format**, ensuring you always stay ahead of the competition.

Key Benefits of the LesChats Gold or platinum Membership:

1. **Proven Superior Performance**
- Independent testing (referenced in [SCCT Book NN/CS-20](https://sites.google.com/site/computerschess/scct-book-nn-cs-20), [SCCT BN/CS-18](https://sites.google.com/site/computerschess/scct-bn-cs-18), and [SCCT BN/CS-16](https://sites.google.com/site/computerschess/scct-bn-cs-16)) confirms that LesChats consistently guides **Stockfish** to favorable positions.
- With **White**, the book secures **slight advantages or clear winning chances**, while with **Black**, it provides **dynamic counterplay**, preventing passive or losing setups.

2. **Expanded & Optimized Opening Repertoire**
- Unlike static books, LesChats is continuously updated, incorporating **new lines, refinements, and novelties** discovered through high-level engine testing.
- The variety of openings ensures flexibility, allowing you to adapt to different opponents and styles.

3. **Daily Updates for Maximum Competitive Edge**
- The chess engine landscape evolves rapidly. With the **Silver Membership**, you receive **daily .bin updates**, keeping your repertoire at the forefront of theory.
- This is particularly valuable for **engine matches, online play, and preparation**, where outdated books can be a liability.

4. **Trusted by the Computer Chess Community**
- Discussions on [Open-Chess](https://open-chess.org/viewtopic.php?t=3609&sid=a723cb850d77c7fbf068e17ed7013be4&start=60) and consistent rankings in **SCCT tournaments** ([Book NN/CS-21](https://sites.google.com/site/computerschess/scct-book-nn-cs-21)) highlight LesChats as a **top-tier choice** for serious players.

Conclusion

If you are serious about **computer chess**, the **LesChats gold or platinum Membership** is an invaluable investment. With **daily updates, proven performance, and deep, dynamic lines**, it ensures your engine or analysis tool operates at peak efficiency. Don’t rely on outdated books—**subscribe today** and maintain a winning edge in every game.

Stay Ahead. Play Smarter. Win More