Avatar of Jan Trepka

Jan Trepka

Username: chessbeer17

Playing Since: 2017-10-03 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Daily: 1702
4W / 1L / 0D
Rapid: 1682
2W / 0L / 0D
Blitz: 2373
1562W / 1011L / 210D
Bullet: 2341
16637W / 10810L / 1558D

Jan Trepka - The Secret Weapon of the Blitz Arena

Jan Trepka, famously known by his chess alias chessbeer17, is no ordinary chess player. With a blitz rating soaring to an impressive 2453 at his peak and a bullet rating that has flirted with the 2489 mark, Jan is the embodiment of lightning-fast calculation with a splash of strategic wizardry.

Starting from a humble rating of around 1550 in 2017, Jan rapidly ascended the ranks, delighting chess lovers and baffling opponents alike with his near-unstoppable winning streaks, including a staggering 33-game winning streak. His current winning streak of 7 games shows that he's still very much a force to reckon with.

Jan's playing style is a curious blend of endurance and cunning. He plays long, thoughtful games boasting an average of nearly 80 moves per victory, a sign that when the battlefield gets tough, his love for endgames really shines (a striking 85% frequency!). Opponents beware: Jan also has an almost supernatural comeback rate of 91.68%, and an incredible 99.59% win rate after losing a piece. Giving up early? Not his style—he keeps fighting until the final move.

When it comes to colors, Jan enjoys playing with White slightly more, where his win rate tips at 59.38%, but is no slouch on Black with a solid 56.45%. His psychological resilience is remarkable, too, with a tilt factor of only 12—meaning he keeps his cool when the pressure's aplenty.

Opening Moves and Tactical Genius

Jan keeps his opening strategies under wraps with a Top Secret approach, scoring an impressive 56%+ win rate across all time controls, proving that mystery truly can be a winning tactic.

Online Legend

With over 15,500 wins in bullet and more than 1,600 wins in blitz, Jan has become a dominant presence on the digital chess battlefield. Whether zooming through the frantic seconds of bullet chess or outmaneuvering opponents in blitz, he’s a fierce competitor and a crowd favorite.

Fun Facts

  • Has faced "johnsonxi" 83 times—talk about developing a rivalry!
  • Enjoys subverting expectations and winning even after losing a piece almost every single time.
  • Most deadly time to face him? Early mornings around 4 AM, where he boasts an 84% win rate—clearly a chess vampire.

Whether you’re a fledgling player or a grandmaster, playing Jan Trepka means facing a resilient, ingenious opponent who can turn the tables in the blink of an eye. So, next time you see chessbeer17 sitting at the board, make sure your wits are sharp — because underestimating Jan could lead to a quick checkmate and a humorous lesson in chess humility!


Coach's Avatar

Feedback on Jan Trepka’s recent bullet games

Nice work staying active in fast time control and finding sharp, forcing lines in at least some of your games. You showed willingness to initiate aggressive play and to simplify into favorable positions when you had the opportunity. The following notes focus on practical steps you can take to consolidate your gains and reduce avoidable risks in future bullet sessions.

What you did well

  • Impressive tactical pressure in the winning game. You created and exploited attacking chances on multiple fronts, culminating in a clean mating net. This shows good calculation under time pressure and a willingness to pursue concrete threats rather than drifting into passivity.
  • Active rook and piece coordination. When you gained activity, you leveraged rooks and the queen effectively along open files and diagonals, which is a strong approach in short time controls where piece activity often decides the outcome.
  • Resilience in the face of complex positions. In several games you kept fighting for chances even after the position became dynamically sharp, which is a good habit for bullet where one moment of precision can decide the result.

Areas to improve

  • Time management and pacing. In bullet, a simple, consistent plan helps avoid time trouble. Try allocating a fixed short think-time for each phase of the game (opening, middlegame plans, and endgame transition) and use a quick, safe move when uncertain to preserve clock. A practical approach is to pick one or two forcing ideas per move and resist deep, multi-branch calculations unless you have clear justification.
  • Endgame readiness. The loss game illustrates how quickly a position can flip after exchanges. Strengthen basic endgames (rook endings, minor-piece endings, and king activity in simplified positions) so you can convert a small edge or hold a draw when the position simplifies. Regular short endgame drills can help with this.
  • Opening decisions under time pressure. The games show a Slav/Openings sequence in a fast context. Consider choosing two or three reliable lines to master for bullet sessions and practice sticking to a planned middlegame idea rather than improvising too freely. For example, if you play a Slav setup, know the typical pawn structures and common middlegame plans for White and Black in those lines. See the Slav Defense family for focused study: Slav-Defense.
  • Threat awareness and prophylaxis. In the loss and draw games, some tactical or positional threats were not fully addressed before committing to a plan. Make a quick scan for opponent threats after each move, especially in open files or when the opponent has piece activity against your king or rooks.

Practical training plan (next 2 weeks)

  • Daily tactics: 8–12 minutes focusing on motifs that appeared in your games (back-rank ideas, rook activity on open files, and mate nets). Use puzzles that emphasize quick calculation and pattern recognition under time pressure.
  • Endgame basics: 15–20 minutes per week on rook endings and king activity. Learn two simple rook endgame patterns you can spot in bullet games and practice with short 5-move endgames.
  • Opening refinement: pick two lines to study deeply. For the Slav-related games, study the typical move order and plan after 1.d4 c6 2.c4 d5. Have a concrete middlegame plan for each side and a few ready moves for common responses. See Slav Defense material placeholder if you want to explore the line further: Slav-Defense.

One-step improvement ideas you can apply right away

  • Before every move in a bullet game, ask: What is my plan for the next 2–3 moves? Is my king safe? Am I improving piece activity?
  • When you’re ahead in material or space, look for forcing moves that push your advantage rather than trading everything off too early. If unsure, choose a solid, non-committal move that preserves the plan and tempo.
  • After a sequence of exchanges, quickly recalibrate your plan for the resulting endgame and prioritize king activity; avoid passive rook endgames unless you have a clear drawing technique.

Optional deeper analysis resources

If you’d like, I can annotate a key moment from one of your recent games to illustrate a precise improvement path. I can also prepare a small opening note set for the Slav-Defense family you’ve used, along with concrete middlegame plans for both sides. Placeholder example: explore the Slav-Defense and related lines with a focused study set: Slav-Defense.



🆚 Opponent Insights

Recent Opponents
deathcounter 1W / 3L / 0D
elmachacador12 4W / 5L / 1D
iron_marc 3W / 1L / 0D
steppo83 0W / 1L / 0D
arun_mass 1W / 1L / 0D
mister_mystery_chess 0W / 1L / 0D
furfoot 1W / 1L / 0D
adolfschulz 0W / 2L / 0D
roadtocmtitie 3W / 3L / 1D
kendrick_lamar_09 2W / 3L / 0D
Most Played Opponents
JohnsonXi 41W / 39L / 3D
vadimstavicki777 32W / 25L / 3D
Cam D. 31W / 22L / 6D
thechesschannel 36W / 16L / 4D
Dejan Dinev 36W / 19L / 0D

Rating

Year Bullet Blitz Rapid Daily
2025 2429 2417
2024 2259 2304 1702
2023 2252 2315 1654
2022 2266 2344 1682
2021 2302 2372 1557
2020 2330 2396
2019 2286 2412
2018 2269 2392
2017 2170 2318
Rating by Year20172018201920202021202220232024202524291557YearRatingBulletBlitzRapidDaily

Stats by Year

Year White Black Moves
2025 943W / 730L / 97D 883W / 760L / 115D 83.3
2024 814W / 566L / 55D 772W / 603L / 77D 79.4
2023 1182W / 798L / 115D 1121W / 863L / 121D 80.9
2022 1266W / 700L / 104D 1213W / 734L / 117D 80.6
2021 1291W / 890L / 118D 1249W / 932L / 147D 82.7
2020 1280W / 932L / 138D 1163W / 1005L / 151D 83.8
2019 844W / 521L / 90D 803W / 550L / 86D 85.0
2018 1572W / 482L / 90D 1530W / 528L / 89D 76.5
2017 109W / 35L / 9D 98W / 46L / 8D 80.1

Openings: Most Played

Bullet Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 3018 1731 1138 149 57.4%
Australian Defense 1845 1089 672 84 59.0%
Slav Defense 1557 939 542 76 60.3%
QGD: 3.Nc3 Bb4 1232 806 351 75 65.4%
Amar Gambit 1104 636 394 74 57.6%
King's Indian Defense: Four Pawns Attack 1057 633 356 68 59.9%
Caro-Kann Defense: Exchange Variation 1035 633 351 51 61.2%
QGD: 3.Nc3 Nf6 4.e3 970 610 320 40 62.9%
Döry Defense 669 359 268 42 53.7%
London System: Poisoned Pawn Variation 612 358 215 39 58.5%
Blitz Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 344 185 137 22 53.8%
Slav Defense 155 88 59 8 56.8%
King's Indian Defense: Four Pawns Attack 148 90 47 11 60.8%
Unknown 135 74 61 0 54.8%
Catalan Opening 123 68 49 6 55.3%
Caro-Kann Defense: Exchange Variation 114 75 29 10 65.8%
Australian Defense 110 69 35 6 62.7%
Döry Defense 99 46 42 11 46.5%
QGD: 3.Nc3 Nf6 4.e3 96 52 38 6 54.2%
QGD: 3.Nc3 Bb4 94 62 23 9 66.0%
Rapid Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 1 1 0 0 100.0%
Slav Defense 1 1 0 0 100.0%
Daily Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense: Exchange Variation 3 2 1 0 66.7%
Bird Opening: Dutch Variation 1 1 0 0 100.0%
QGD: Chigorin, 3.cxd5 1 1 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 33 0
Losing 12 1