Koustav Chatterjee: The Grandmaster with a Razor-Sharp Mind and a Sense of Humor
Born to play chess and probably eat checkmate sandwiches, Koustav Chatterjee, known online as KoustavChatterjee1, has carved out a formidable niche in the world of competitive chess. Awarded the prestigious Grandmaster title by FIDE, Koustav's journey from tentative bullet games to lightning-fast blitz battles reveals a player who refuses to settle for anything less than excellence—except maybe a good coffee break during long endgames.
Early Days and Meteoric Rise
Starting modestly with a bullet rating of 1207 in August 2017, Koustav's relentless dedication saw him skyrocket to a peak bullet rating of 2817 by January 2023—no small feat when every second counts! His blitz performance is equally awe-inspiring, boasting a peak of an almost mythical 2936 rating in February 2023. Clearly, when it comes to rapid calculation and intuitive play, Koustav’s brain is like a Swiss watch—precise, intricate, and baffling to mere mortals.
The Games That Tell the Tale
Koustav's tactical prowess shines brightest in his openings customarily veiled under "Top Secret" (because every grandmaster needs some mystery). With a winning rate of over 59% in bullet and solid performances across daily, blitz, and rapid formats, opponents have no idea whether to be more intimidated or just suspicious.
One of his recent game triumphs involved a devastating checkmate using the Four Knights Game Spanish Variation. Executed so smoothly that even his opponent barely realized the game was over until the checkmate was already on the board. Ah, the beauty of chess brilliance!
Playing Style: Endgame Whisperer & Comeback Kid
Koustav's games average around 75 moves when winning, proving he’s the kind of player who enjoys savoring his victories rather than rushing to claim them. His endgame frequency is impressively high at nearly 79%, showcasing a fondness for grinding down opponents patiently. With a comeback rate exceeding 84%, he turns losing positions into lessons for his foes on how to never lose hope.
Psychological Strength
The mysteries of chess psychology are well understood by Koustav, who maintains an impressive tilt factor of just 18. Meaning? When the going gets tough, Koustav remains as cool as a cucumber in a freezer. His peak time of day for best results is surprisingly midnight—whether it’s late-night brilliance or just caffeine-fueled wizardry is up for debate.
Human Behind the Pieces
With an average win rate above 50% playing either white or black, Koustav proves versatility knocks on every door. He’s known to keep opponents on their toes, regardless of who starts the game. And let’s not forget his humor—because if you can’t laugh after brutally checkmating someone in blitz, what’s the point?
Final Thoughts
Koustav Chatterjee is not just a Grandmaster; he’s a thrilling blend of calculated precision, relentless endurance, and a wink from the chess gods. Keep an eye on this rising star—he might just be plotting his next checkmate while you’re still figuring out your next move.
“In chess, as in life, sometimes it’s checkmate before your opponent even realizes they’re in danger. But don’t worry, Koustav promises to keep the moves entertaining!”
🆚 Opponent Insights
| Recent Opponents | ||
|---|---|---|
| dude_team47 | 3W / 0L / 0D | |
| Most Played Opponents | ||
|---|---|---|
| phorque | 24W / 0L / 0D | |
| yellowfalmingo | 9W / 13L / 1D | |
| honestgirl | 5W / 11L / 2D | |
| Sankalp Gupta | 7W / 7L / 1D | |
| hagubaby05 | 8W / 6L / 0D | |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2726 | 2903 | 2415 | |
| 2024 | 2726 | 2848 | 2415 | |
| 2023 | 2720 | 2791 | 2415 | |
| 2022 | 2685 | 2801 | ||
| 2021 | 2724 | 2776 | ||
| 2020 | 2446 | 2708 | 2483 | 1769 |
| 2019 | 2325 | 2717 | 1919 | |
| 2018 | 2172 | 2499 | 1771 | |
| 2017 | 1984 | 2373 | 1958 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 9W / 2L / 2D | 13W / 0L / 2D | 83.1 |
| 2024 | 40W / 14L / 7D | 43W / 16L / 9D | 82.2 |
| 2023 | 69W / 48L / 12D | 58W / 56L / 16D | 90.4 |
| 2022 | 27W / 21L / 2D | 25W / 20L / 9D | 91.1 |
| 2021 | 28W / 10L / 5D | 28W / 15L / 3D | 82.2 |
| 2020 | 163W / 121L / 55D | 159W / 135L / 46D | 79.7 |
| 2019 | 110W / 85L / 23D | 124W / 72L / 24D | 80.7 |
| 2018 | 110W / 84L / 20D | 105W / 84L / 17D | 68.7 |
| 2017 | 57W / 14L / 2D | 53W / 14L / 7D | 62.2 |
Openings: Most Played
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Mieses Opening | 11 | 8 | 3 | 0 | 72.7% |
| Alekhine Defense | 10 | 7 | 3 | 0 | 70.0% |
| Alekhine: Scandinavian, 3.e5 Nfd7 | 8 | 4 | 4 | 0 | 50.0% |
| Zukertort Opening | 8 | 4 | 4 | 0 | 50.0% |
| Reti: KIA | 8 | 7 | 1 | 0 | 87.5% |
| Zukertort Opening: Pirc Invitation | 8 | 5 | 3 | 0 | 62.5% |
| Zukertort Opening: Quiet System | 8 | 7 | 1 | 0 | 87.5% |
| Zukertort Opening: Kingside Fianchetto | 7 | 5 | 1 | 1 | 71.4% |
| Queen's Pawn Game | 6 | 4 | 0 | 2 | 66.7% |
| Zukertort Opening: Black Mustang Defense | 6 | 3 | 3 | 0 | 50.0% |
| Daily Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Unknown Opening* | 18 | 8 | 6 | 4 | 44.4% |
| Unknown | 12 | 5 | 7 | 0 | 41.7% |
| Indian: 2.Bf4 | 8 | 7 | 1 | 0 | 87.5% |
| Queen's Pawn Game | 7 | 5 | 1 | 1 | 71.4% |
| English: Symmetrical, 2.g3 | 6 | 4 | 2 | 0 | 66.7% |
| London System Main Line with ...d5 | 4 | 2 | 2 | 0 | 50.0% |
| English: Anglo-Indian, 2.g3 g6 | 4 | 2 | 2 | 0 | 50.0% |
| English Opening - Symmetrical Variation | 4 | 3 | 1 | 0 | 75.0% |
| Réti Opening | 4 | 2 | 1 | 1 | 50.0% |
| King's Pawn Game | 4 | 0 | 4 | 0 | 0.0% |
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Reti: KIA | 64 | 32 | 19 | 13 | 50.0% |
| Zukertort Opening | 55 | 32 | 18 | 5 | 58.2% |
| Indian Defence, Knights Variation | 46 | 22 | 14 | 10 | 47.8% |
| Queen's Pawn Game | 37 | 19 | 12 | 6 | 51.4% |
| Catalan Opening | 34 | 11 | 17 | 6 | 32.4% |
| English Opening - Symmetrical Variation | 29 | 12 | 9 | 8 | 41.4% |
| King's Indian Attack | 24 | 14 | 7 | 3 | 58.3% |
| English: 1...e6 2.Nf3 Nf6 | 23 | 10 | 11 | 2 | 43.5% |
| Indian: 2.Bf4 | 18 | 15 | 1 | 2 | 83.3% |
| Réti Opening | 18 | 11 | 4 | 3 | 61.1% |
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Nimzo-Indian Defense: Normal Variation | 3 | 1 | 1 | 1 | 33.3% |
| Spanish: Berlin, 4.d3 Bc5 | 2 | 0 | 2 | 0 | 0.0% |
| Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 | 2 | 0 | 1 | 1 | 0.0% |
| Zukertort Opening | 2 | 0 | 2 | 0 | 0.0% |
| Queen's Pawn Game | 2 | 2 | 0 | 0 | 100.0% |
| King's Indian Attack: Keres Variation | 2 | 0 | 0 | 2 | 0.0% |
| Four Knights Game: Italian Variation | 1 | 1 | 0 | 0 | 100.0% |
| Indian Defense | 1 | 1 | 0 | 0 | 100.0% |
| Queen's Indian Accelerated | 1 | 0 | 1 | 0 | 0.0% |
| Queen's Pawn: 1...e6 2.Nf3 c5 | 1 | 1 | 0 | 0 | 100.0% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 24 | 11 |
| Losing | 18 | 0 |