Avatar of Or Bronstein

Or Bronstein IM

Username: HatvSp923

Playing Since: 2021-08-25 (Inactive)

Wow Factor: ♟♟♟

Chess.com

Rapid: 2366
8W / 3L / 3D
Blitz: 2702
3546W / 3953L / 535D
Bullet: 2614
148W / 143L / 19D

Or Bronstein - International Master

Meet Or Bronstein, better known to many as HatvSp923, a chess wizard who holds the esteemed title of International Master awarded by FIDE. Or's journey through the 64 squares is nothing short of a thrilling rollercoaster, packed with tactical brilliance, stubborn resilience, and a dash of endgame wizardry.

Rating & Performance

Or has dazzled the blitz battlefield with a peak rating soaring up to an impressive 2882 in December 2024. Their blitz play is both fierce and fast, boasting an average rating comfortably in the high 2600s over recent years. Bullet and rapid formats are also familiar arenas, with Or's bullet peak hitting 2672 and rapid peaking at 2568. Clearly, whether under lightning-fast time controls or with a bit more breathing room, Or is a formidable contender.

Playing Style & Psychology

Or is known for a strategic and deep style, rarely quitting even in grim situations — a testament to their high comeback rate near 90%. Their games tend to be marathon endgames with an average of 77 moves per victory and nearly 87 in defeat, proving patience is a virtue. Early resignation? Not in Or’s vocabulary, with a tiny 10% early resignation rate—a sign of relentless fighting spirit.

Favorite time to grind out victories? Or shines brightest around 6:00 AM, wielding their pieces with surgical precision when most are still contemplating breakfast. And despite losing a little ground versus casual opponents, when the rating stakes are higher, they show resilience, especially against lower-rated foes.

Memorable Moments

Some recent highlights include a victorious game against "Washmachine," where Or navigated a Ruy Lopez Berlin defense to claim the win on time with clock pressure mastery. Another gem was a slick resignation victory over "Kiyopon55," showcasing deft Sicilian Canal Attack strategy.

Losses? Even the mightiest stumble. Or faced defeat against "alu40pink" and "Andrei_Mainescu" in thrilling battles, reminding us that every game is a lesson and a step towards mastery.

Opening Repertoire

Or's toolkit features classic lines and sneaky tactics alike. The trusted Top Secret opening (no revealing here!) sees a win rate around 44%. They also dabble in the Sicilian Defense’s Taimanov and Canal Attacks, and have remarkably perfect records with the French Defense Exchange Variation in blitz.

A Fun Fact

If Or were a chess piece, they’d be the knight: unpredictable, cunning, and always ready to spring a trap. But unlike the knight, Or rarely hops to easy victories—every win is carefully danced into place, with intensity and flair.

In the diverse chess cosmos, Or Bronstein stands out as a dedicated and ever-evolving force, with a blend of speed, strategy, and stamina that keeps both fans and foes on their toes. Watching Or play is like enjoying a chess thriller—expect the unexpected, savor the moves, and cheer for the relentless spirit!


Coach's Avatar

Strengths from Recent Blitz Games

Or, your recent blitz games show several positive aspects in your play that contribute to successful outcomes:

  • Opening Preparation: You consistently choose solid and reputable openings such as the Sicilian Defense and London System. This gives you a strong foothold early in the game.
  • Active Piece Play: In multiple recent wins, you demonstrated excellent piece coordination and control of the center, often taking the initiative mid-game.
  • Endgame Technique: Your conversions to wins in simplified positions are notable, showing good technique under time pressure especially in rook and pawn endings.
  • Adaptability: You handle a variety of opening systems well, adapting to opponent setups like the Najdorf, Four Knights, and various d4 defenses.

Areas for Improvement

Despite the positives, your recent losses highlight certain areas to focus on:

  • Time Management: Some games ended on time losses or faster clock drops. Improving your clock awareness in blitz games could prevent losses due to time pressure.
  • Middle Game Planning: In a few losses, losing control of key squares or allowing your opponent strong breaks suggests deeper calculation and strategic planning could be enhanced.
  • Handling Tactical Complexities: There are moments where sharper tactical awareness could allow you to avoid positional concessions or take advantage of opponent inaccuracies.
  • Opening Consistency: Your win rates in certain popular openings like the Sicilian Defense (38%) and Semi-Slav variations (~42% in other data) show room to polish these lines, ensuring more consistent successful outcomes.

General Advice for Continued Progress

Looking at your recent rating trends and overall record, here are some specific recommendations to continue improving your blitz performance:

  • Review and expand your opening repertoire. Focus on lines that yield higher win rates such as the Australian Defense and Colle System variations where your results are stronger.
  • Incorporate tactical drills regularly to sharpen calculation skills under time constraints.
  • Analyze your time usage patterns, especially in critical middle game moments, and practice playing faster quality moves to avoid time scrambles.
  • Study endgames intensively—your ability to finish games is a strong asset, so reinforcing this area will yield solid results.
  • Continue to review master games and model plans in openings you play frequently to deepen your strategic understanding.

Encouragement

Your strength adjusted win rate is excellent (~50%), and your rating trends show you are maintaining a high level overall with some fluctuations. Keep building on your strong foundation, and these small adjustments will help you climb higher in blitz.



🆚 Opponent Insights

Most Played Opponents
Yair Parkhov 41W / 34L / 13D
Alexey Jarovinsky 25W / 34L / 3D
Vladimir Bilic 25W / 28L / 5D
Tamaz Mgeladze 34W / 16L / 7D
Egor Baskakov 7W / 39L / 4D

Rating

Year Bullet Blitz Rapid Daily
2025 2702
2024 2614 2687
2023 2596 2683 2366
2022 2641 2600
2021 2468 2527 2456
Rating by Year2021202220232024202527022366YearRatingBulletBlitzRapid

Stats by Year

Year White Black Moves
2025 150W / 145L / 16D 136W / 154L / 15D 84.6
2024 593W / 563L / 88D 494W / 669L / 80D 86.1
2023 680W / 680L / 91D 613W / 721L / 96D 83.5
2022 346W / 356L / 57D 317W / 390L / 53D 81.7
2021 198W / 204L / 37D 194W / 229L / 26D 84.2

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 349 144 181 24 41.3%
London System: Poisoned Pawn Variation 193 80 93 20 41.5%
Amazon Attack: Siberian Attack 188 83 91 14 44.1%
QGD: 3.Nc3 Nf6 4.e3 158 65 83 10 41.1%
Sicilian Defense: Closed 134 60 66 8 44.8%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line 129 60 64 5 46.5%
Sicilian Defense 128 48 68 12 37.5%
Hungarian Opening: Wiedenhagen-Beta Gambit 127 55 65 7 43.3%
Colle System: Rhamphorhynchus Variation 125 64 53 8 51.2%
Australian Defense 123 57 57 9 46.3%
Bullet Opening Games Wins Losses Draws Win Rate
Colle System: Rhamphorhynchus Variation 40 19 17 4 47.5%
Nimzo-Larsen Attack 39 18 19 2 46.1%
Amar Gambit 23 9 14 0 39.1%
Barnes Defense 17 7 10 0 41.2%
Caro-Kann Defense 15 8 6 1 53.3%
Australian Defense 13 7 4 2 53.9%
French Defense 10 7 3 0 70.0%
King's Indian Attack 9 4 5 0 44.4%
Nimzo-Larsen Attack: Classical Variation 9 6 3 0 66.7%
Sicilian Defense: Closed 7 3 3 1 42.9%
Rapid Opening Games Wins Losses Draws Win Rate
East Indian Defense 2 2 0 0 100.0%
Modern 1 0 1 0 0.0%
Döry Defense 1 0 0 1 0.0%
Amazon Attack 1 1 0 0 100.0%
King's Indian Defense: Larsen Variation 1 0 1 0 0.0%
QGD Tarrasch: 6.g3 cxd4 1 1 0 0 100.0%
Réti Opening 1 0 1 0 0.0%
King's Indian Defense: Orthodox Variation 1 1 0 0 100.0%
Hungarian Opening: Wiedenhagen-Beta Gambit 1 0 0 1 0.0%
Sicilian Defense: Four Knights Variation, Cobra Variation 1 0 0 1 0.0%

🔥 Streaks

Streak Longest Current
Winning 11 1
Losing 10 0