Avatar of Patty Castillo

Patty Castillo WFM

PattyCastillo Since 2012 (Active) Chess.com ♟♟♟♟♟♟
44.4%- 50.7%- 5.0%
Bullet 1929
670W 620L 44D
Blitz 1900
3415W 4178L 416D
Rapid 2117
60W 43L 10D
Daily 1786
125W 36L 10D
Coach Chesswick's Profile Photo
Coach Chesswick

What Patty Castillo is doing well

You have a strong and practical opening instinct, choosing solid systems that let you play actively without getting tangled in early tactical melees. Notably:

  • You perform very well with the London System: Poisoned Pawn Variation, often gaining space and pressing from the queen’s side while keeping your king safe.
  • You have excellent results in the Sicilian Defense, especially in the Najdorf-related lines, showing you can handle sharp, tactical middlegames when needed.
  • You handle flexible setups like the Dory Defense and the Pirc Defense competently, which demonstrates good adaptability to different pawn structures and plans.
  • You have shown the ability to press for advantages in the middlegame and convert favorable positions into wins in several games.

Areas to focus on for stronger results

  • Improve time management in rapid games. You’ve had strong wins, but finishing with a clearer plan sooner can reduce risky decisions under time pressure. Try a simple three-move default plan in the middlegame to stabilize positions early and avoid last-minute rushes.
  • Strengthen endgame technique. A number of games head into long middlegame or endgame phases; practice common rook endings and king-pawn endings so clean conversions become reliable.
  • Broaden your repertoire with robust, practical responses to common defenses. While your current openings are working well, having reliable, straightforward plans against a wider range of responses will help you stay unpredictable and comfortable in tougher matches.
  • Continue sharpening pattern recognition and calculation in the middlegame. Regularly review typical plans and tactical motifs that arise from your favorite openings (for example, space and piece activity themes in the London System, or typical counterplay ideas in the Sicilian Najdorf).
  • Be mindful of risky exchanges that simplify into less favorable endgames. When you’re ahead, aim to keep practical chances, and when behind, look for practical complications that restore chances to win or draw.

Opening performance snapshot (practical takeaways)

Your data shows strong results in a few core systems. Pay attention to these patterns as you plan study time:

  • London System: Poisoned Pawn Variation stands out with consistently favorable outcomes. Maintain this as a mainstay of your repertoire and deepen understanding of typical pawn structures and typical middle-game plans from these setups.
  • Sicilian Defense (Najdorf variants) offer sharp, tactical chances that you can leverage when you’re confident in calculations. Continue to refine your evaluating criteria in these lines to avoid overreach in risky positions.
  • Other openings like the Dory Defense and Pirc indicate versatility. Use these as backup options to keep opponents from fully predicting your approach, but ensure you have solid, straightforward plans when you switch to them.

Practical 4-week training plan

  • Week 1: Deepen London System and Sicilian Najdorf understanding. Review 4 representative games from each opening, extract 2-to-3 key middlegame plans for each, and practice 15–20 minutes of targeted puzzles daily focusing on these plans.
  • Week 2: Endgame focus. Study common rook endings and simple king-pawn endings. Play 4 short endgame practice sessions and annotate one-to-two practice positions after each session.
  • Week 3: Time management and decision-making. Do timed drills (10+5 or 15+10) to build a routine for spending time on critical moves and quickly deciding on safer, solid continuations in less critical positions.
  • Week 4: Opening diversification and review. Introduce 1–2 practical responses to a few frequently faced defenses outside your main repertoire. Revisit your last 6–8 games to identify recurring decision points you’d like to improve, and adjust plans accordingly.

Reflective prompts for next steps

  • Which specific middlegame ideas from the London System do you feel most confident applying, and which would you like to practice more?
  • When do you feel you’re most prone to time pressure, and what concrete steps can you take in the first five moves to avoid it?
  • What endgame patterns do you find most challenging, and what short drills could you add to your routine?
  • Are there two new defenses you want to add practical, reliable responses against this month?

Notes and placeholders

If you’d like to quick-link to your profile or specific openings for easy reference, you can use placeholders like Patty Castillo or London System to annotate this plan in your app.


can also be used to attach a short practice sequence if helpful.


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