Avatar of Koustav Chatterjee

Koustav Chatterjee GM

Username: KoustavChatterjee1

Location: Kolkata, India

Playing Since: 2017-08-01 (Active)

Wow Factor: ♟♟♟

Chess.com

Daily: 2173
136W / 66L / 10D
Rapid: 2415
17W / 5L / 4D
Blitz: 2908
864W / 639L / 231D
Bullet: 2726
138W / 87L / 14D

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
Rating by Year20172018201920202021202220232024202529031769YearRatingBulletBlitzRapidDaily

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