Avatar of Jacek Tomczak

Jacek Tomczak GM

Username: Som2310

Playing Since: 2019-02-16 (Inactive)

Wow Factor: ♟♟♟♟

Chess.com

Rapid: 2626
1W / 1L / 0D
Blitz: 3000
1157W / 618L / 315D
Bullet: 2635
17W / 10L / 10D

Jacek Tomczak - Grandmaster Extraordinaire

Meet Jacek Tomczak, a true chess gladiator crowned with the prestigious title of Grandmaster by FIDE. If chess were an Olympic sport, Jacek would be standing on the podium with a gold medal, probably analyzing his next opponent’s weaknesses during the medal ceremony.

Known online as Som2310, Jacek has a reputation for blitz games that approach the speed of light—hitting a phenomenal peak blitz rating of 2967 in August 2024. Whether it's lightning-fast bullet or rapid play, Jacek’s tactical awareness and comeback spirit are legendary, boasting an astounding 93.46% comeback rate. Chess pieces beware: losing material against him often means a painful defeat ahead.

Jacek’s style? A blend of relentless endgames (over 85% on record), patient strategic battles, and a dash of unpredictability. He averages around 78 moves per win, proving that patience is not just a virtue but a weapon in his hands. He knows that sometimes it’s not just about striking hard, but striking smart and holding on for a marathon victory.

On the opening front, Jacek doesn’t give away all his secrets, playing what he calls "Top Secret"—an opening so mysterious it probably involves a spy or two. His secret weapon openings in blitz like the Sicilian and Scandinavian variants keep his opponents guessing and losing more often than not.

Off the board, Jacek’s psychological play is as sharp as his moves on it. With a tilt factor of just 6 (which is basically “chess zen”) and preferred battle hours around dawn (surprisingly effective at 4 a.m.), he’s clearly a night owl who thrives when others are dreaming of blunders.

Recent Highlights

  • Most Recent Win: A solid victory using the Caro-Kann Defense (Tartakower Variation), where resignation by the opponent was inevitable after Jacek's onslaught.
  • Most Recent Loss: Even grandmasters have off days — a tough game lost using the Scandinavian Defense Modern Portuguese Variation. But don’t worry, Jacek bounced right back.

With over 1600 wins in blitz alone, Jacek Tomczak is more than just a player — he’s a chess phenomenon, mixing brains, speed, and a touch of mystery. Opponents beware, because when Som2310 is online, the board becomes a battlefield where only the smartest survive.


Coach's Avatar

Overall Performance

Jacek, your current strength adjusted win rate is impressively high at approximately 74%. This demonstrates consistent and strong play in your bullet games. Additionally, your rating has increased significantly by 93 points over the last 1, 3, and 6 months, confirming a positive and steady improvement trajectory across various time frames.

Recent Games Review

You have maintained solid control and strategic positioning in your recent wins, especially in openings like the Caro-Kann Defense and the French Defense. Your ability to transition into favorable endgames and capitalize on opponent errors has been notable.

  • Strengths: Good opening preparation and understanding, calculating tactics effectively under time pressure, strong endgame technique leading to decisive wins.
  • Areas for Growth: Review moments in your losses where you allowed opponents too much counterplay, often around midgame transitions especially in the English Opening. Focus on maintaining pressure and avoiding passive positions.
  • Time Management: You handled the clock well, even in rapid bullet scenarios. Continue refining quick decision-making to further improve bullet consistency.

Opening Play

Your comfort across multiple openings is a clear asset. You have shown versatility in the Caro-Kann Defense, French Defense, and English Opening, allowing you to respond dynamically to opponent choices.

  • Continue deepening your understanding of typical middlegame plans and common tactical motifs in these openings.
  • Study opponents' typical responses and prepare countermeasures to maintain or increase your advantage early.
  • Analyze specific lines where you often transition to losses, as they can reveal gaps in opening repertoires or understanding.

Progress and Recommendations

Your rating trend slope of about 43.4 points per period indicates excellent growth momentum. To build on this success:

  • Regularly review your annotated games, focusing specifically on critical turning points in losses to understand and learn from mistakes.
  • Practice puzzles that strengthen tactical awareness, especially those related to pins, forks, and discovered attacks, as these themes appeared frequently in your games.
  • Incorporate brief endgame studies to sharpen finishing skills under time constraints.
  • Maintain a balance between studying your main openings and experimenting to find new approaches that suit your style.

Keep up the great work, and your continued rate of improvement suggests you are on a solid path to higher bullet rankings.



🆚 Opponent Insights

Most Played Opponents
Szymon Gumularz 9W / 15L / 10D
Daniel Naroditsky 10W / 16L / 6D
Alexander Rustemov 17W / 8L / 3D
Kevin Bordi 15W / 5L / 8D
Mateusz Bartel 9W / 5L / 11D

Rating

Year Bullet Blitz Rapid Daily
2025 2635 3000
2024 2542 2898
2023 2506 2794
2022 2797 2626
2021 2816 2777
2020 2791 2605
2019 2167 2547 2614
Rating by Year201920202021202220232024202530002167YearRatingBulletBlitzRapid

Stats by Year

Year White Black Moves
2025 122W / 64L / 36D 105W / 68L / 44D 88.2
2024 158W / 83L / 38D 148W / 88L / 42D 89.2
2023 92W / 47L / 15D 73W / 49L / 28D 88.9
2022 73W / 37L / 16D 71W / 31L / 17D 83.5
2021 104W / 41L / 25D 86W / 51L / 28D 87.2
2020 86W / 37L / 18D 76W / 41L / 22D 87.9
2019 8W / 1L / 4D 9W / 5L / 2D 99.0

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Scandinavian Defense 254 153 63 38 60.2%
Caro-Kann Defense 97 59 28 10 60.8%
Scotch Game 77 32 27 18 41.6%
Sicilian Defense: Sozin Attack 70 37 23 10 52.9%
French Defense 70 49 14 7 70.0%
Alekhine Defense 52 29 11 12 55.8%
Modern 52 32 17 3 61.5%
Gruenfeld: Exchange Variation 42 13 19 10 30.9%
Amazon Attack: Siberian Attack 41 26 11 4 63.4%
Amazon Attack 38 23 8 7 60.5%

🔥 Streaks

Streak Longest Current
Winning 24 5
Losing 6 0