Avatar of Miraziz Matyakubov
Player Profile

Miraziz Matyakubov CM

Sergeant_James Since 2025 (Active) Chess.com ♟♟♟
42.3% W 48.5% L 9.3% D
Bullet
2797
124W 113L 9D
Blitz
2988
1640W 1910L 377D
Rapid
2101
0W 1L 1D

The Sergeant in the Trenches

Miraziz Matyakubov, known online as Sergeant_James, is a FIDE Candidate Master who thrives when the clock is ticking down. While he is a strong all-around player, his natural habitat is bullet chess, where reflexes, pattern recognition, and pure fighting spirit decide the game. With a peak Blitz rating of 3091 (2025-10-20) and a bullet peak of 2849 (2025-12-29), Matyakubov has built a reputation as a high-volume online warrior, logging more than 4,000 rated games in a relatively short span.

His results show a player who is never afraid to swashbuckle. He has delivered wins against higher-rated opposition and also battled through rough patches, including a 12-game losing streak that would break most players. Instead, he kept firing, and his longest winning streak of 15 games shows exactly what happens when the Sergeant finds his rhythm.

A Love Affair with the Classics

Matyakubov's opening tastes are deeply traditional. As Black, he is heavily invested in the Philidor Defense, playing it hundreds of times in blitz with a solid win rate. As White, he frequently steers into open battles against the Sicilian Defense, where he has shown a particular fondness for the Alapin Variation, winning over half of those games.

  • His repertoire also leans on the Caro-Kann Defense and the King's Indian Attack.
  • He is comfortable in closed positions and endgames, ending over 86% of his games in the endgame.
  • His average games are long and hard-fought, often stretching past 80 moves.

Win Rate by Opening0%25%75%100%50%Philidor Defense: 44.6% over 567 gamesSicilian Defense: 42.5% over 186 gamesCaro-Kann Defense: 44.2% over 138 gamesSicilian Defense: Alapin Variation: 51.1% over 135 gamesLondon System: Poisoned Pawn Variation: 38.9% over 108 gamesQGD: 3.Nc3 Nf6 4.e3: 32.0% over 97 gamesPhilidor Defense45%Sicilian Defense42%Caro-Kann Defense44%Sicilian Defense: Alapi…51%London System: Poisoned…39%QGD: 3.Nc3 Nf6 4.e332%

Rivalries and Numbers

No bio would be complete without mentioning his marathon rivalry with Dmitrij Kollars, who has won the majority of their many meetings. Yet Matyakubov continues to queue up, a true glutton for punishment. He also shares fierce series with ga_r, seochesspie, and i451451451, turning every encounter into a miniature war.

His tactical awareness is genuinely impressive. He recovers from losing positions at a stunning rate, with a comeback rate near 90%, and he wins over 40% of games even after blundering a piece. Add a modest tilt factor and a tendency to play his best chess around 13:00, and you get a player who is equal parts stubborn and brilliant.

Bullet Rating285628492842283528272025: 28372026: 284620252026

Bio last updated 2026-09-07