Jelle Mathieu

What you’re doing well

Your blitz results show solid consistency and a healthy willingness to take on tactical, sharp play. You’ve been comfortable with dynamic positions and creating practical chances under time pressure. The openings data highlights a strong performance with the Nimzo-Larsen Attack, suggesting you understand the typical middlegame ideas and piece activity this system invites. Your overall win count against a broad set of opponents indicates you’re able to convert initiative into wins fairly often.

• You handle complex tactical sequences well and can execute aggressive ideas when the position rewards activity.
• You maintain focus through the middlegame, often turning pressing moments into material or positional concessions for your opponent.
• Your opening choice, especially the Nimzo-Larsen Attack, aligns well with your strength in planning and calculation, and it tends to keep opponents out of their comfort zones.
• You show willingness to pursue imbalances and to keep chances alive even when the position becomes rough.

Focus areas to improve

• Time management in blitz: Several games show rapid transitions into tactical melees. Build a habit of setting a quick, safe plan for the next 2–3 moves in every critical moment and avoid over-calculating when the clock is low. Practice a lightweight, high-clarity approach for forced lines.
• Endgame conversion: With many wins coming from middlegame activity, reinforce clean endgames (knight and bishop endings, opposite-colored pawn endings, and simple king activity) to convert pressure into decisive results when the board simplifies.
• Diversify opening responses with a pragmatic, compact repertoire: Nimzo-Larsen Attack is strong for you, but some other tracked defenses (like certain Sicilian/Najdorf lines and Scandinavian/B3 setups) show lower win rates. Deepening 2–3 solid, well-understood lines across the common responses will reduce risk in blitz.
• Pattern recognition and quick calculation under time: Increase exposure to common tactical motifs (forks, pins, sacrifices, back-rank ideas) with short, timed drills to improve speed without sacrificing accuracy.
• Post-game reflection: After each blitz session, write down 2–3 concrete takeaways from both a win and a loss. This accelerates learning from practical play and reduces repetition of the same mistakes.

Actionable training plan

• Daily: 15 minutes of tactical puzzles focused on calculation under time pressure; aim to identify at least one winning tactic or forced line in each puzzle.
• 2–3 days per week: 20–30 minutes of opening study focused on 2–3 core lines you play most often (prioritize Nimzo-Larsen variants you’re comfortable with, plus a compact approach to a secondary opening you often face).
• Endgame practice: 2 short sessions per week (10–15 minutes) on basic endgames (king and pawn vs king, rook endgames with extra pawn, and simple minor-piece endings) to improve conversion chances in blitz.
• Post-game routine: For every session, pick 1 key moment for a quick self-review (what was the plan, what was the best move, and what would you do differently next time).
• Schedule sample: 1 focused tactical workout day, 1 opening study day, and 1 game-analysis day per week to build a balanced routine without burning out.
• When you’re under time pressure, lean on a concise plan: (1) secure king safety, (2) avoid unnecessary material grabs, (3) look for forcing moves that improve your position rather than chasing speculative ideas.

Quick notes from openings data

Your strongest tracked opening is the Nimzo-Larsen Attack, with a solid win rate across a large sample. That supports continuing with that system as a core part of your blitz repertoire. Some other popular responses show lower win rates; consider reinforcing a small, reliable set of lines against them so you don’t get thrown into unfamiliar positions under time pressure. If you want, I can propose a focused 6-week plan tailored to strengthening those weaker branches.

Next steps and check-in

If you’d like, share 1–2 recent blitz PGNs for targeted, line-by-line feedback on decision points and time usage. I can also prepare a short, personalized drill pack (puzzles and opening lines) based on your most recent games to accelerate improvement over the next couple of weeks.