Avatar of jst1212

jst1212

Playing Since: 2015-10-07 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Rapid: 1193
0W / 0L / 1D
Blitz: 1718
15910W / 16614L / 1074D
Bullet: 1466
0W / 5L / 0D

Player Profile: jst1212

Meet jst1212, the relentless chess aficionado whose keyboard clicks echo the thrilling clatter of tactical swordplay on the 64 squares. Since their rated debut in 2015 with a modest blitz rating of around 1016, jst1212's journey resembles a rollercoaster with a rocket strapped on, reaching a peak blitz rating of 1970 in early 2021. That's one tough pawn to push!

Blitz Battles & Style

With over 28,700 blitz games under their belt – yes, you read that right – jst1212 has amassed more wins than a cat has lives, taking down opponents with a pragmatic mix of aggressive openings and dogged endgame endurance. Known for diving into complex territories like Petrov’s Defense and the Queen’s Gambit Declined, this player blends classic theory with daring moves, often squeezing wins out of seemingly balanced positions.

Chess Philosophy & Playstyle

Inspirationally stubborn, jst1212 sports a comeback rate of over 85%, proving that losing a piece isn’t a tragedy but a call to rally. They prefer the long haul, as their average winning game stretches over 64 moves, while losses tend to drag on even longer. This patience often pays dividends; with endgames it’s clear this player is more marathon runner than sprinter, steadily chipping away at their rivals under pressure. Quick to respect the power of resignation, early quits happen just under 2% of the time – stubbornness runs deep, but desperation has its limits.

Mental Game & Timing

When it comes to mojo, mornings are sacred – the best time to challenge jst1212 is around 7 AM, arguably when their brain’s freshest and the coffee’s strongest. Their tilt factor is modest at 15%, but beware: once off their game, the longest losing streak reached 15, a gentle reminder that even chess warriors have off days. Fridays and Saturdays see a dip in win rates, possibly due to weekend distractions like laundry or binge-watching “The Queen’s Gambit”. Highly tactical and consistently grinding, jst1212’s psychological resilience keeps them competitive even under heavy odds.

Notable Recent Games

  • Recent Victory vs Igwalac (2025): Mastering the Queen's Gambit Declined - Semi-Slav Defense, jst1212 not only outmaneuvered their opponent but also won on time – proving brains and speed go hand-in-hand.
  • Checkmate against ArielsR: A classic Queen’s Gambit Duel ended swiftly with elegant precision.
  • Win by Checkmate vs Vahan515: Closing the match with style and strategic brilliance, jst1212 shows why they’re a force to be reckoned with.

Obstacles & Lessons

Like any true warrior, jst1212 knows defeat. Recently, SebastianSchjerven handed them a checkmate, a humbling yet enriching experience queued right before a tough loss to COLOLO25 on time. But such setbacks only fuel the fire for future glory – after all, it’s all about bouncing back.

Opening Repertoire Highlights

Favorites include Petrov’s Defense Three Knights (52.4% win rate), Queen’s Gambit Declined Baltic Defense, and the ever-unpredictable Englund Gambit. Not content with the usual suspects, jst1212 embraces diverse gambits and defenses, keeping opponents guessing and their pawns trembling.

In Summation

With a vast reservoir of games, a towering peak rating just shy of 2000, and an appetite for complex endgames, jst1212 is a chess gladiator who combines grit, patience, and tactical brilliance. They may not be a grandmaster (yet), but they are certainly one of chess.com’s most dedicated knights, always ready to storm the battlefield and, on occasion, blunder spectacularly—because hey, we all do!

Keep an eye on jst1212: the blend of resilience, chess wisdom, and occasional cheeky tactics might just be your next toughest opponent or your new favorite player to watch.


Coach Chesswick's Profile Photo
Coach Chesswick

What you’re doing well

You show good tactical awareness and willingness to fight for the initiative in blitz. In the recent win, you aggressive piece activity and found opportunities to pressure key squares, which helped you convert a complex middlegame into a decisive sequence. Your rooks in the later phase were actively placed on open files, contributing to the finish.

You also demonstrate comfort with dynamic pawn play and piece coordination when the position opens up. In several games you kept your pieces connected and looked for forcing moves when your opponent overextended, which is a strong instinct in quick time controls.

Endgame feel is present: you’ve shown patience to simplify when favorable and keep the king safe while advancing your plan, which is essential in blitz where a single misstep can turn into a loss on the clock.

Areas to improve

  • Time management under pressure: blitz games often hinge on how you allocate your thinking time. In some recent games you spent long thinking periods on critical decisions and then had less time to finish accurately. Try to set a rough time budget for the first 15–20 moves (for example, a couple of minutes total for this portion) and stick to it, reserving a few seconds for the endgame.
  • Opening planning and consistency: you face sharp lines in openings like the London/Queens pawn structures and the Petrovs/Englund setups. Develop a simple, reliable plan for the first 10–12 moves rather than reacting move by move. This reduces early tactical slips and buys you time for the middlegame.
  • Minimize risky trades when ahead: in blitz, trading into simplified endings can reduce your practical winning chances if you’re ahead in activity or initiative. Aim to keep the tension and look for ways to increase pressure rather than just trading pieces off.
  • Blunder checks before key moments: before making forcing moves or exchanges, quickly reassess for tactics your opponent could have prepared. A short mental checklist (threats, captures, checks, and potential discovered attacks) helps prevent oversights in fast time controls.
  • Pattern recognition and recurrent motifs: several games featured aggressive pawn storms and rooks on open files. Strengthen your familiarity with common blitz motifs (overloading opponent’s defense, back-rank pressure, and minor-piece activity in open files) so you can spot them faster in live play.

Actionable drills and study plan

  • Daily tactics blast: 15–20 minutes focusing on forks, discovered attacks, pins, and overloads. Include at least one motif per session (e.g., a fork or a back-rank tactic) to grow quick calculation under time pressure.
  • 15-minute endgame practice twice a week: work on rook endings and rook+minor piece endings, which commonly arise in blitz. Learn a simple technique for converting a small material edge into a win.
  • Opening repertoire refinement: pick one White response to 1.d4 (for example, the London system family) and one Black response to 1.e4 that you’re comfortable with. Clarify a short, repeatable plan for the first 12 moves and practice it in a few training games per week.
  • Post-game review habit: after each blitz session, review at least the last three games with a quick engine-annotated glance or a coach/strong player. List one takeaway per game (e.g., “avoid hanging a piece,” “watch the e-file,” “keep the king safe during piece trades”).
  • Time-budget practice: in a 5+0 or 3+2 setting, force yourself to move within a fixed window for the first 15 moves in 4-6 games per session. This trains you to stay calm and avoid rapid-fire mistakes when the clock is tight.

Notes on your recent games (highlights and takeaways)

Recent win: You found a sharp sequence that created concrete chances and converted to a win. Remember to look for similar nearby tactics in other games and keep the pressure on in the middlegame when you’re ahead in activity.

Recent loss: Time management and some early exchanges led to a difficult middlegame. Focus on a practical plan for the opening and maintain pressure rather than chasing highly speculative lines when you’re short on time.

Recent draw: (If you want, we can review the draw game in more depth) Focus on consolidating your position after the middle game and seek practical chances to break through, rather than trading into a position that neutralizes your initiative.

Want a deeper dive?

If you’d like, I can pull specific moments from your three most recent blitz games and annotate them move-by-move in plain language, highlighting alternative safer options and a concrete improvement plan for each critical decision point. We can also craft a tailored 2-week and 1-month plan based on the openings you’re facing most often in blitz.



🆚 Opponent Insights

Recent Opponents
Alexandra 0W / 1L / 0D View
siyabongantshangase 0W / 1L / 0D View
vasondra 0W / 1L / 0D View
totzbub0768 0W / 1L / 0D View
gusci1 1W / 0L / 0D View
rdeschain_89 0W / 3L / 0D View
tamilsg 1W / 2L / 0D View
serdarfazla 1W / 3L / 1D View
lamak10 1W / 0L / 0D View
convi69 1W / 0L / 0D View
Most Played Opponents
bestgk 16W / 17L / 0D View Games
ydl8211 25W / 3L / 0D View Games
adipratama13 8W / 18L / 1D View Games
wizardatwork 11W / 13L / 1D View Games
klausfriedrich1950 4W / 18L / 1D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 1466 1735
2024 1782
2023 1666
2022 1642
2021 1817
2020 1749 1193
2019 1804
2018 1758
2017 1635
2015 1457
Rating by Year201520172018201920202021202220232024202518171457YearRatingBlitz

Stats by Year

Year White Black Moves
2025 1548W / 1588L / 99D 1518W / 1631L / 102D 69.4
2024 510W / 433L / 36D 463W / 499L / 22D 68.2
2023 840W / 861L / 53D 750W / 911L / 67D 70.0
2022 950W / 1112L / 79D 978W / 1123L / 71D 71.0
2021 1168W / 1087L / 77D 1073W / 1176L / 95D 70.1
2020 1207W / 1258L / 81D 1236W / 1249L / 87D 69.3
2019 701W / 682L / 38D 647W / 731L / 50D 70.2
2018 782W / 745L / 40D 769W / 767L / 39D 66.9
2017 2W / 0L / 0D 2W / 0L / 0D 61.5
2015 40W / 25L / 2D 33W / 33L / 1D 59.0

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Petrov's Defense 4262 2170 1944 148 50.9%
Australian Defense 2832 1338 1399 95 47.2%
QGD: 2...Bf5 3.cxd5 1240 641 556 43 51.7%
QGD: 3.Nc3 Bb4 1202 632 536 34 52.6%
QGD: Albin, 3.dxe5 1182 559 587 36 47.3%
Amazon Attack 1149 494 605 50 43.0%
London System: Poisoned Pawn Variation 1021 475 503 43 46.5%
QGA: 3.e3 c5 888 435 430 23 49.0%
Amar Gambit 871 374 466 31 42.9%
Barnes Opening: Walkerling 845 408 413 24 48.3%
Bullet Opening Games Wins Losses Draws Win Rate
Slav Defense 2 0 2 0 0.0%
Australian Defense 1 0 1 0 0.0%
Sicilian Defense: Kan Variation, Knight Variation 1 0 1 0 0.0%
Petrov's Defense 1 0 1 0 0.0%
Rapid Opening Games Wins Losses Draws Win Rate
Barnes Defense 1 0 0 1 0.0%

🔥 Streaks

Streak Longest Current
Winning 12 0
Losing 15 4
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