Sameer Mujumdar: A National Master Who Never Logs Off
Life at the Board
Sameer Mujumdar, known online as SameerMujumdar, is a National Master with a reputation for relentless activity. Since his first rated games in 2015, he has piled up more than 34,000 games across bullet, blitz, rapid and daily chess. If chess were a gym, Sameer would be the person who lives there.
Although his match volume is built on bullet and blitz, the data suggests rapid chess is where his chess brain purrs. His strength-adjusted rapid win rate sits above 65 percent. His longest winning streak is 23 games, and even his longest losing streak of 16 games would be a career highlight for most amateurs.
His peak bullet rating reached 2775 (2026-06-06), his blitz peak was 2742 (2025-12-08), and his rapid form climbed to 2155 (2025-06-13).
An Adventurous Opening Menu
Sameer is happy to leave the beaten track. In rapid play he has a perfect record with the Caro-Kann Defense, and he scores well with the Sicilian Defense in several lines, especially the Alapin Variation. In faster time controls he is also fond of the Amar Gambit, an opening that tends to turn the game into a delightful mess for both players.
His practical approach is clear: make the position complex, outlast the opponent, and let the clock do the rest.
The Never Ending Rivalry
If you play as many games as Sameer, you will eventually meet your shadow. His shadow is Daniel Girsh. The two have played 2,031 rated games against each other, with Sameer winning 788, losing 1,034 and drawing 209. That is not a rivalry, that is a shared autobiography.
Against other frequent opponents he has been far less charitable. His record against bulldzer stands at 341 wins and only 16 losses, a result that suggests Sameer has found a very specific cure for bulldzer's style.
A Career in Highlights
- More than 21,000 bullet games played without losing the love for chess.
- A longest winning streak of 23 games, which shows what happens when Sameer gets into a rhythm.
- A dominant 341 to 16 record against bulldzer, proving that familiarity can breed crushing consistency.
- A strong rapid repertoire with the Scandinavian Defense, where he wins almost 78 percent of his games.
- A willingness to play the Amazon Attack and other sharp lines, keeping every match enjoyable.
The Verdict
Sameer Mujumdar is a player who treats every time control as an invitation. He has the title, the volume and the highlight reel. But the most memorable thing about him may simply be this: he keeps showing up, game after game, ready to try something interesting.