Avatar of Mark Kotliar

Mark Kotliar FM

Username: kot60

Location: New York

Playing Since: 2013-06-08 (Active)

Wow Factor: ♟♟♟♟♟♟

Chess.com

Daily: 400
0W / 8L / 0D
Rapid: 2151
10W / 14L / 2D
Blitz: 2518
48479W / 56087L / 9311D
Bullet: 2252
14W / 7L / 0D

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.


Coach Chesswick's Profile Photo
Coach Chesswick

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
Rating by Year201320142015201620172018201920202021202220232024202525411043YearRatingBulletBlitzRapid

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
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