Mark Kotliar (aka kot60)
FIDE Master and Blitz Aficionado
Mark Kotliar is not your everyday chess enthusiast — they are a proud FIDE Master with a deep love for the fast-paced chaos of blitz chess. While many players obsess over classical tournaments, Mark thrives where every second counts, expertly navigating the slippery waters of rapid calculations and lightning-fast tactics.
With a peak blitz rating soaring to an impressive 2613 in January 2025, Mark proves that speed and precision can go hand in hand. Their career tells a story of perseverance and passion, having played over 100,000 blitz games with a knack for comebacks, boasting a remarkable 87% comeback rate after losing a piece — because sometimes a little drama makes the game even sweeter!
Mark’s favorite battleground on the chessboard is often the Closed Sicilian Defense, where their tactical sharpness shines, achieving a stellar win rate exceeding 50%. When not charging down the Sicilian, Mark delights in mixing it up with the Ruy Lopez Morphy Defense and the Sicilian Bowdler Attack, keeping opponents guessing and scratching their heads.
Fun fact: Mark's opening moves often start with 1. e4, setting the tone for aggressive battles that can last over 60 moves on average when victorious! Their games aren’t just wins; they’re epic puzzles in motion — sometimes lasting over an hour if the clock allows.
Despite a fierce competitive streak, Mark’s psychological resilience is equally legendary. With an early resignation rate of less than 0.3% and a tilt factor of 16 (yes, even grandmasters have their moments), Mark knows when to fight and when to fold. Plus, their ideal playing hour is 8 AM — apparently, the best chess comes with a fresh cup of coffee and a mind sharp enough to slice through any defense.
Recent Battle Highlights
- On May 29, 2025, Mark claimed victory in a thrilling blitz duel against carlocapau, squeezing out a win in a tactical skirmish in the Closed Sicilian Defense where they masterfully transitioned into an endgame, forcing resignation at move 22. View Game
- Also on May 29, Mark outwitted antoninpd in a complex middlegame battle featuring the Closed Sicilian and a well-timed queen sacrifice, winning by resignation. View Game
Off the board, Mark's blend of rapid-fire tactics and strategic depth makes them a formidable opponent and an entertaining character — equally capable of dazzling you with a brilliant combination or humorously lamenting a blunder with good-natured sass. If you want to see a modern chess fighter who’s serious about their game, but never too serious to enjoy the ride, Mark Kotliar is your chess hero.
Positive Highlights in Your Recent Games
Mark, your recent blitz games show several strong points worth recognizing:
- You handle the Sicilian Defense: Closed well, with a solid win rate over 48%. Your openings here suggest good preparation and understanding of the pawn structures and typical plans.
- You actively create tactical opportunities, as seen in your ability to force exchanges and gain material advantage in some games, leading to wins by exploitation.
- Your endgame technique is commendable in pushing passed pawns, converting advantages patiently, often winning on time due to practical pressure.
- The strength-adjusted win rate around 49.9% indicates your performance is competitive against opponents of similar ratings.
Areas for Improvement
While your overall performance is strong, some areas could be honed to boost your results further:
- Handling pressure in complex positions: Your recent losses in openings like the Ruy Lopez (Morphy Defense) show some challenges dealing with counterattacks and sharp play. Consider deepening your opening preparation and familiarizing yourself with common tactical themes and typical plans in these variations.
- Time management: Some losses stemmed from running out of time. Improving your speed without compromising accuracy could help sustain better practical results.
- Opening repertoire balance: While you have decent success with major openings (Sicilian and Vienna Gambit), your performance dips with sharper lines like the Blackburne Shilling Gambit and Scotch Game—win rates below 41%. Prioritize reinforcing understanding in these areas or consider alternatives less prone to tactical pitfalls.
- Consistency in converting advantages: Although your endgame play is good, occasionally missed chances or inaccuracies under time pressure may have led to draws or losses. Working on recognizing winning patterns in simplified positions will aid your conversion ability.
Rating and Performance Trends
Your rating trend over the last year shows some variability:
- Despite a recent slight dip of -10 in the last month and -110 in the last three months, you have a positive six-month rating change, indicating recovery capability.
- The short-term rating trend slopes suggest some periods of decline followed by slight recovery, signaling the need for steady practice and possibly reviewing challenging positions.
- Maintain focus on gradual improvement, leveraging your opening strengths while addressing weaker lines.
Practical Recommendations
- Study key opening lines: Focus on reinforcing your repertoire in the Sicilian Defense and Vienna Gambit, while adding depth to Ruy Lopez variations where losses occurred. Use game reviews to identify common mistakes and alternative plans.
- Time management drills: Practice playing faster moves with good accuracy through blitz training and by solving speed puzzles.
- Tactical training: Improve calculation skills to better handle unexpected threats, especially in openings that lead to sharper play.
- Endgame studies: Solidify knowledge of important theoretical endgames and practical techniques for converting material and positional advantages under time pressure.
- Analyze losses carefully: Review your lost games, particularly the complex middle-games, to understand strategic errors or miscalculations.
- Keep a balanced training routine: Blend opening study, tactics, endgames, and play practice to support sustainable rating growth.
🆚 Opponent Insights
| Recent Opponents | ||
|---|---|---|
| hashira-retirado | 4W / 5L / 1D | View |
| senayt9 | 3W / 0L / 0D | View |
| watashimachiru | 0W / 1L / 0D | View |
| advclyst | 4W / 1L / 1D | View |
| papaya309 | 2W / 0L / 0D | View |
| lightyagami322311 | 2W / 0L / 0D | View |
| knighthawk8 | 2W / 0L / 0D | View |
| aster_d | 0W / 1L / 0D | View |
| planet_megino | 3W / 2L / 0D | View |
| cyclechessgold | 1W / 0L / 0D | View |
| Most Played Opponents | ||
|---|---|---|
| Gerardo Cabellon | 111W / 164L / 35D | View Games |
| ninjaweasel | 139W / 145L / 17D | View Games |
| Jura Ochkoos | 117W / 144L / 27D | View Games |
| richarddagreat | 86W / 130L / 15D | View Games |
| Michael Mahoney | 102W / 100L / 11D | View Games |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2460 | |||
| 2024 | 2541 | |||
| 2023 | 2430 | |||
| 2022 | 2252 | 2387 | ||
| 2021 | 2109 | 2488 | 2151 | 400 |
| 2020 | 2002 | 2391 | 2511 | |
| 2019 | 1866 | 2387 | 2000 | |
| 2018 | 2409 | |||
| 2017 | 2344 | |||
| 2016 | 2331 | |||
| 2015 | 1709 | 2268 | ||
| 2014 | 2247 | |||
| 2013 | 1043 | 2157 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 1316W / 1309L / 221D | 1189W / 1413L / 247D | 77.1 |
| 2024 | 1959W / 1914L / 327D | 1702W / 2043L / 443D | 77.2 |
| 2023 | 2053W / 2134L / 366D | 1856W / 2278L / 409D | 77.6 |
| 2022 | 1905W / 1784L / 298D | 1596W / 2032L / 349D | 76.2 |
| 2021 | 1931W / 1882L / 342D | 1688W / 2132L / 374D | 76.9 |
| 2020 | 2834W / 2638L / 442D | 2351W / 3020L / 483D | 76.6 |
| 2019 | 2027W / 1996L / 339D | 1747W / 2230L / 396D | 77.5 |
| 2018 | 2277W / 2211L / 340D | 1898W / 2516L / 435D | 78.0 |
| 2017 | 1653W / 1825L / 297D | 1462W / 1990L / 299D | 77.8 |
| 2016 | 2087W / 2495L / 401D | 1942W / 2693L / 374D | 79.5 |
| 2015 | 1697W / 2026L / 352D | 1489W / 2266L / 312D | 81.1 |
| 2014 | 2002W / 2296L / 366D | 1740W / 2512L / 397D | 79.2 |
| 2013 | 1294W / 1237L / 166D | 1157W / 1351L / 199D | 78.5 |
Openings: Most Played
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Sicilian Defense: Closed | 7691 | 3731 | 3388 | 572 | 48.5% |
| Budapest: 3...Ng4 4.e3 | 7074 | 3086 | 3443 | 545 | 43.6% |
| Sicilian Defense | 6000 | 3027 | 2502 | 471 | 50.5% |
| Caro-Kann Defense | 5486 | 2415 | 2681 | 390 | 44.0% |
| Blackburne Shilling Gambit | 4706 | 1853 | 2400 | 453 | 39.4% |
| Vienna Gambit, with Max Lange Defense | 4458 | 2005 | 2105 | 348 | 45.0% |
| Ruy Lopez: Closed, Kecskemet Variation | 3708 | 1798 | 1598 | 312 | 48.5% |
| Vienna Gambit: 3...d5 4.exd5 | 3630 | 1806 | 1463 | 361 | 49.8% |
| Sicilian Defense: Alapin Variation | 3498 | 1530 | 1666 | 302 | 43.7% |
| Scotch Game | 3386 | 1377 | 1732 | 277 | 40.7% |
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Ruy Lopez: Closed, Kecskemet Variation | 3 | 3 | 0 | 0 | 100.0% |
| Vienna Gambit, with Max Lange Defense | 2 | 2 | 0 | 0 | 100.0% |
| Sicilian Defense: Closed | 2 | 2 | 0 | 0 | 100.0% |
| Modern | 2 | 2 | 0 | 0 | 100.0% |
| Amazon Attack: Siberian Attack | 2 | 1 | 1 | 0 | 50.0% |
| Unknown | 2 | 0 | 2 | 0 | 0.0% |
| Australian Defense | 2 | 0 | 2 | 0 | 0.0% |
| Czech Defense | 1 | 1 | 0 | 0 | 100.0% |
| Three Knights Opening | 1 | 1 | 0 | 0 | 100.0% |
| King's Indian Attack: French Variation | 1 | 0 | 1 | 0 | 0.0% |
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Vienna Gambit: 3...d5 4.exd5 | 3 | 2 | 1 | 0 | 66.7% |
| Ruy Lopez: Closed, Kecskemet Variation | 3 | 1 | 2 | 0 | 33.3% |
| Sicilian Defense: Closed | 3 | 3 | 0 | 0 | 100.0% |
| Unknown | 2 | 0 | 2 | 0 | 0.0% |
| Budapest: 3...Ng4 4.e3 | 2 | 1 | 1 | 0 | 50.0% |
| French Defense: Tarrasch Variation, Chistyakov Defense | 2 | 1 | 1 | 0 | 50.0% |
| Amar Gambit | 1 | 0 | 1 | 0 | 0.0% |
| Barnes Defense | 1 | 0 | 1 | 0 | 0.0% |
| Caro-Kann Defense | 1 | 0 | 1 | 0 | 0.0% |
| Vienna Gambit, with Max Lange Defense | 1 | 0 | 1 | 0 | 0.0% |
| Daily Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Unknown | 4 | 0 | 4 | 0 | 0.0% |
| Australian Defense | 2 | 0 | 2 | 0 | 0.0% |
| Barnes Defense | 2 | 0 | 2 | 0 | 0.0% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 15 | 0 |
| Losing | 16 | 1 |