Overview
Jan Seidl (online handle: rocket10jan) is a FIDE Master and a modern internet chess grinder known for excelling in fast time controls — especially Bullet and Blitz chess. They combine deep endgame knowledge with a taste for tactical fireworks, which has earned them massive volume and impressive peaks over recent years. SEO keywords: Jan Seidl, rocket10jan, FIDE Master, Bullet, Blitz, chess.
- Title: FIDE Master
- Preferred time control: Bullet (online specialist)
- Peak highlights: • •
Career highlights
Jan rose rapidly through online leaderboards from 2021 onward. Their record shows sustained high-volume play with standout peak performances in late 2024 and 2025. They blend pragmatic opening choices with relentless practical play in time trouble.
- Massive game volume across Bullet and Blitz — thousands of games and tens of thousands of moves.
- Long winning run: 20 games (longest winning streak).
- Peak Blitz rating reached recently: (notable milestone for SEO and chess followers).
- Peak Bullet rating: — confirms their status as a top online Bullet specialist.
Playing style & habits
Jan is a hybrid: a time-pressure virtuoso who also plays long endgames often enough to be dangerous over the board. Their metrics show long average game lengths, high endgame frequency and a strong comeback rate.
- Endgame frequency: frequently plays to the finish (Endgame frequency ~84%).
- Average decisive game length: long — typically 80–90 moves in recent years, indicating patience and endgame technique.
- Psych profile: best results in off-hours (their reported best time of day: 04:00). They are sometimes labeled a "Flag hanger" by opponents but also a serious endgame grinder.
- Tactical resilience: comeback rate ~87.8%; win rate after losing material ~49.7%.
Openings & repertoire
Jan favors resilient, practical systems that lead to playable middlegames and endgames. On Bullet and Blitz they rely on tried structures and surprise gambits when appropriate.
- Bullet favorites: Caro-Kann (1177 games, WinRate ~52.85%), Scandinavian, Amar Gambit, Colle variations.
- Blitz staples: Caro-Kann (714 games), Catalan Closed, London System: Poisoned Pawn variations.
- Often-used themes: solid pawn structure, piece activity, willingness to enter gambit lines when the clock matters.
Popular openings in Jan's recent play include the Caro-Kann and Catalan — perfect for players who like structure with tactical chances. Learn more about the player's approach to fast chess via these concepts: Flagging • Pre-move • Time pressure.
Streaks & opponents
Jan has faced many repeat opponents online; rivalry games and high-volume series shape much of their profile.
- Most played opponents (examples): trashydude (45 games), doctorpouliot (42), caio_buys (41), jlindner (35), biveklama (34).
- Representative head-to-heads: jlindner — Jan is +23/-10/+2; caio_buys — +20/-15/+6.
- Longest losing streak recorded: 10 games (everyone has a rough patch).
Sample game & interactive placeholders
Below is a short illustrative opening sequence (clickable in a PGN viewer). It's not labeled as a famous brilliancy — it's more of a "practical rocket10jan" start that often appears in fast games.
- Sample PGN (opening sketch):
- See rating evolution (compact):
Fun facts & personality
Jan mixes humor and seriousness at the board. They are equally likely to play a sharp gambit or grind a tenacious technical endgame. Online commentators might call them a "Bullet junkie" or "Endgame grinder" depending on the day.
- Nickname online: rocket10jan — fitting for someone who rockets up in Bullet leaderboards.
- Known for: long games, clock savviness, and an uncanny knack for squeaking out wins in time trouble.
- Self-aware motto: "If you can't flag them, outplay them later."
Quick stat snapshot (for SEO bots & fans)
Important numbers fans search for:
- Blitz wins/losses/draws: 2,827 / 2,100 / 565
- Bullet wins/losses/draws: 3,747 / 2,997 / 486
- Notable streaks: longest winning streak — 20
- Peak ratings recap: • •
Want to follow Jan?
Search engines: use keywords like "Jan Seidl rocket10jan FIDE Master Bullet Blitz chess" to find game archives, highlights and public game streams. For study, focus on their handling of the Caro‑Kann and practical endgames.
- Recommended study topics: Caro-Kann Defense, Endgame, Time trouble
- Placeholder for deeper profile: Jan Seidl
Quick recap of the mini-sample
Nice work converting advantages into wins in your recent bullet run. A few concrete moments stand out: you created and pushed a passed pawn to promotion in your most recent win, you used active king and rook play to finish games, and you executed quick mating nets in multiple 30s games against vincentm83 and others.
- Example position and finish (key moves from your most recent win):
What you're doing well
- Creating and marching a passed pawn under time pressure — you convert tangible material/positional advantages quickly in bullet. This is a huge asset: keep it up. (See the pawn push and promotion in the win vs blackhorse986.)
- Active king and rook usage in endgames — you use the king aggressively and bring rooks to the 7th/8th to create decisive threats. Good feel for endgame technique in fast time controls (classic "Rook on the seventh" pressure).
- Finishing tactics and mating nets — two quick mates vs vincentm83 show you spot back-rank and mating ideas fast and exploit loose coordination from the opponent.
- Opening variety that leads to practical positions — you steer games into middlegame/endgame structures you clearly handle well (you turn small advantages into wins rather than letting them evaporate).
Main things to improve
- Counterplay management: in your loss to rohith-p the opponent generated counterplay on the kingside and created a passed pawn that promoted. Try to stop the opponent's counterplay earlier with prophylactic pawn moves or by simplifying when their activity is mounting.
- Tactical oversights in sharp moments — several games show a one-move tactic that decides the game (knight forks, pawn breaks). Slow down for half a second on forcing sequences: checks, captures and threats. That one extra mental tick prevents many sudden reversals.
- Transition decisions: when ahead, decide between simplifying to a won endgame or keeping pieces for mating chances. You sometimes trade into endgames where the opponent's activity becomes the counter-weapon (watch the exchange timing around move 30 in the loss).
- Time management nuance: in bullet you're winning often with time to spare, but avoid rushing in complex positions where a small pause to calculate saves you from tactical setbacks.
Practical, bullet-friendly tips
- Prioritize immediate plans: in bullet, pick one clear plan (push a passed pawn, activate king, or mate) and execute it instead of juggling two ideas.
- When opponent creates piece activity, look to either trade pieces or blockade the active piece — letting it live on without counterplay is risky. The principle: active opponent = trades or block.
- Checks, captures and threats first: make this a reflex on every opponent move. If you adopt this habit, you'll catch almost all direct tactical shots.
- Use pre-moves with care: pre-moves are great in quiet recaptures but deadly in tactical positions. Only pre-move when there’s no tactical ambiguity.
- Endgame templates to memorize: king + rook vs king + rook, rook + passed pawn, and basic pawn promotion races. You already convert well — a few more patterns will make you nearly automatic.
Concrete drills (10–20 minutes each)
- Tactics sprint: 2 minutes per puzzle, 25 puzzles. Focus on forks, skewers, and back-rank mates. Builds fast pattern recognition.
- Pawn-race practice: set up random pawn-race positions and play 3-minute races against a training partner or engine at low depth to practice timing promotions and opposition.
- Rook endgame practice: drill 10 basic rook vs rook + pawn positions — practice the defense and the winning techniques (cutting off the king, active rook checks).
- Mini-games: 5 blitz games where your goal is to create a passed pawn and promote it — force the theme so you repeat the same motif.
Action plan for your next 50 bullet games
- Games 1–10: focus on "checks, captures, threats" reflex. After each game, mark one missed tactic you could have seen.
- Games 11–30: practice converting passed pawns and simplify vs opponent activity — aim to convert at least 70% of clear passed-pawn advantages.
- Games 31–50: apply time-management rule — when the position is unclear, spend an extra 1–2 tenths of your remaining time doing a quick 2-move calculation (this small discipline reduces blunders).
- Review: every 10 games, pick one loss and one win and annotate the critical turning move — ask “what was my plan, what was opponent’s plan?”
Notes & useful reminders
- You're already strong at converting advantages — reinforce that strength with targeted endgame and pawn drills.
- Be mindful of opponent counterplay; when you see the opponent mobilize pawns or knights toward your king, immediate containment often beats hoping for a tactic.
- Keep using your intuition for finishing positions but back it with one quick concrete check in sharp spots.
- If you want, I can analyze a single game move-by-move (pick one) and produce a 5-point checklist of improvements — paste the game or point to the opponent and I’ll do it.
Extra links & placeholders
- Opponent profiles you faced recently: blackhorse986, vincentm83, rohith-p
- Study terms you might look up: Passed pawn, Rook on the seventh, Back rank mate
🆚 Opponent Insights
| Recent Opponents | ||
|---|---|---|
| ablunderman | 1W / 1L / 0D | View |
| daybeers | 1W / 0L / 1D | View |
| serkretbro | 5W / 0L / 0D | View |
| Vlad-Victor Barnaure | 4W / 3L / 0D | View |
| ნაზი თებიძე | 3W / 3L / 0D | View |
| adi64bond | 1W / 2L / 0D | View |
| Sean Senft | 3W / 6L / 1D | View |
| Sepehr Golsefidy | 1W / 1L / 1D | View |
| alextsolov2011 | 0W / 1L / 0D | View |
| dingliren | 3W / 1L / 1D | View |
| Most Played Opponents | ||
|---|---|---|
| TrashyDude | 21W / 19L / 5D | View Games |
| DoctorPouliot | 19W / 20L / 3D | View Games |
| Caio Victor Brandts Buys | 20W / 15L / 6D | View Games |
| Jean Lindner | 23W / 10L / 2D | View Games |
| Bibek Thing | 19W / 14L / 1D | View Games |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2714 | 2736 | 1969 | |
| 2024 | 2703 | 2592 | 1070 | |
| 2023 | 2500 | 2403 | 1421 | 1070 |
| 2022 | 2389 | 2320 | 1421 | 917 |
| 2021 | 1708 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 852W / 561L / 202D | 773W / 641L / 197D | 90.9 |
| 2024 | 730W / 509L / 126D | 681W / 566L / 119D | 87.0 |
| 2023 | 1048W / 812L / 158D | 1039W / 856L / 111D | 82.2 |
| 2022 | 819W / 620L / 84D | 779W / 642L / 88D | 76.8 |
| 2021 | 16W / 7L / 1D | 20W / 2L / 1D | 67.9 |
Openings: Most Played
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Caro-Kann Defense | 740 | 387 | 289 | 64 | 52.3% |
| Caro-Kann Defense: Exchange Variation | 301 | 153 | 112 | 36 | 50.8% |
| Caro-Kann Defense: Classical Variation | 195 | 96 | 71 | 28 | 49.2% |
| Diemer-Duhm Gambit (DDG): 4...f5 | 193 | 101 | 65 | 27 | 52.3% |
| Catalan Opening: Closed | 170 | 92 | 54 | 24 | 54.1% |
| Catalan Opening | 168 | 86 | 67 | 15 | 51.2% |
| English Opening: Agincourt Defense | 161 | 76 | 70 | 15 | 47.2% |
| London System: Poisoned Pawn Variation | 149 | 78 | 53 | 18 | 52.4% |
| Slav Defense: Bonet Gambit | 141 | 66 | 62 | 13 | 46.8% |
| Australian Defense | 120 | 65 | 38 | 17 | 54.2% |
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Caro-Kann Defense | 1177 | 622 | 479 | 76 | 52.9% |
| Caro-Kann Defense: Exchange Variation | 315 | 153 | 138 | 24 | 48.6% |
| Scandinavian Defense | 257 | 141 | 104 | 12 | 54.9% |
| Amar Gambit | 244 | 131 | 92 | 21 | 53.7% |
| Colle System: Rhamphorhynchus Variation | 229 | 134 | 83 | 12 | 58.5% |
| Modern | 185 | 98 | 77 | 10 | 53.0% |
| London System: Poisoned Pawn Variation | 183 | 87 | 81 | 15 | 47.5% |
| Hungarian Opening: Wiedenhagen-Beta Gambit | 172 | 94 | 66 | 12 | 54.6% |
| Barnes Defense | 168 | 89 | 69 | 10 | 53.0% |
| Czech Defense | 157 | 79 | 65 | 13 | 50.3% |
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Caro-Kann Defense | 3 | 3 | 0 | 0 | 100.0% |
| Amar Gambit | 3 | 1 | 0 | 2 | 33.3% |
| Australian Defense | 2 | 2 | 0 | 0 | 100.0% |
| Amazon Attack | 2 | 2 | 0 | 0 | 100.0% |
| Petrov's Defense | 2 | 2 | 0 | 0 | 100.0% |
| Modern | 1 | 1 | 0 | 0 | 100.0% |
| Scandinavian Defense | 1 | 1 | 0 | 0 | 100.0% |
| Hungarian Opening: Wiedenhagen-Beta Gambit | 1 | 1 | 0 | 0 | 100.0% |
| London System: Poisoned Pawn Variation | 1 | 1 | 0 | 0 | 100.0% |
| King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | 1 | 1 | 0 | 0 | 100.0% |
| Daily Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Blackburne Shilling Gambit | 1 | 1 | 0 | 0 | 100.0% |
| Caro-Kann Defense | 1 | 1 | 0 | 0 | 100.0% |
| Sicilian Defense: Alapin Variation | 1 | 1 | 0 | 0 | 100.0% |
| Sicilian Defense: Closed | 1 | 1 | 0 | 0 | 100.0% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 20 | 4 |
| Losing | 10 | 0 |