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Koustav Chatterjee

GM🇮🇳

FIDEFIDE 25073060· Male· India· Born in 2003

Follow Koustav ChatterjeeTrack his monthly FIDE ratings, games, tournaments and more.

Koustav Chatterjee, a 23-year-old Indian Grandmaster, is rated 2484 and sitting in the top 1% of Indian players, and in the top 1% worldwide. He has held steady between 2450 and 2500 for 16 months. 46 rated games in the past year (≈76/year long-term). Recent standard appearances include 2026 NY Marshall Winter Invitational - Six Day GM B, 2026 Pan-American Intercollegiate Championship, and 35th Annual North American Open. Also played 1 blitz event (including TCR: Super Blitz 2025) recently. His peak of 2548 was reached at age 20 (May 2023, World #382 at the time).

Awarded GM in 2023 (age 20) and IM in 2019 (age 16). At junior level, he reached World #13 in U20, World #32 in U18, World #18 in U16, World #24 in U14, World #59 in U12, World #45 in U10 and World #15 in U8.

Current rating

2484

Standard

Rpd2396·Blz2435

All-time high

2548

64 pts below
May 2023 · age 20

Activity

55

games / yr avg. · ≈5/mo

46 past 12 mo · ≈4/mo
classical only
Active

Signature stat

Top 1%

#56 · Indian players · of 19,102

Career timeline

24 entries
2023
1,000 career games
at age 20
Oct 2023
GM title awardedGM
at age 20 · 2023 2nd FIDE Council
Aug 2023
13th U20 player worldwide
at age 20 · rated 2546
Jul 2023
Peak World rank: #382
at age 20 · rated 2548
May 2023
Peak Indian rank: #27
at age 20 · rated 2548
May 2023
All-time peak 2548
at age 20 · −64 from today
May 2023

Standard rating history

Activity & highlights

Best result
2025 U.S. Masters
perf 2572 (+84) · 6/9 · #39
Top opponent
vs Jeffery XiongGM 2,649
2025 U.S. Masters · Nov 2025 · +2.2 Elo
Best comeback
35th Annual North American Open
finished #2 (seeded #13 of 100)
Evolution
-4
24882484
Tournaments
6
46 games
Score
29/ 4663.0%
17W24D5L
Top 3 wins
Top 3 losses

Last 12 months — tournaments

6 events
EventDateScoreRankPerfΔ Elo
Round-Robin
Jan 20265/9#62413-8.6
Open Swiss
Jan 20264.5/6#132343-2.4
Open Swiss
Dec 20256.5/9#22531+7.5
Open Swiss
Nov 20256/9#392572+13.3
Team
Oct 20251.5/4#172314-9.3
Open Swiss
Oct 20255.5/9#82448-3.5

Most-Played Opponents

Rankings

/
India
#56
out of 26,549 players
Asia-Pacific
#174
in continent
World
#710
out of 400,000+

National ranking

Europe & World

Europe
World
India
1
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,751
2
🇮🇳Anand, ViswanathanFollow Viswanathan AnandTrack their monthly FIDE ratings, games, tournaments and more.
2,739
3
🇮🇳Praggnanandhaa RFollow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more.
2,733
4
🇮🇳Gukesh DFollow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more.
2,732
5
🇮🇳Nihal SarinFollow Nihal SarinTrack their monthly FIDE ratings, games, tournaments and more.
2,723
6
🇮🇳Vidit, Santosh GujrathiFollow Santosh Gujrathi ViditTrack their monthly FIDE ratings, games, tournaments and more.
2,708
7
🇮🇳Aravindh, Chithambaram VR.Follow Chithambaram VR. AravindhTrack their monthly FIDE ratings, games, tournaments and more.
2,692
8
🇮🇳Harikrishna, PentalaFollow Pentala HarikrishnaTrack their monthly FIDE ratings, games, tournaments and more.
2,676
9
🇮🇳Pranav, VFollow V PranavTrack their monthly FIDE ratings, games, tournaments and more.
2,657
10
🇮🇳Karthikeyan, MuraliFollow Murali KarthikeyanTrack their monthly FIDE ratings, games, tournaments and more.
2,648
...
56🇮🇳Koustav Chatterjee2,484
Asia-Pacific
1
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
2
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
3
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,751
5
🇮🇳Anand, ViswanathanFollow Viswanathan AnandTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇨🇳Ding, LirenFollow Liren DingTrack their monthly FIDE ratings, games, tournaments and more.
2,738
7
🇮🇳Praggnanandhaa RFollow Praggnanandhaa RTrack their monthly FIDE ratings, games, tournaments and more.
2,733
8
🇮🇳Gukesh DFollow Gukesh DTrack their monthly FIDE ratings, games, tournaments and more.
2,732
9
🇻🇳Le, Quang LiemFollow Quang Liem LeTrack their monthly FIDE ratings, games, tournaments and more.
2,731
10
🇷🇺Nepomniachtchi, IanFollow Ian NepomniachtchiTrack their monthly FIDE ratings, games, tournaments and more.
2,729
...
174🇮🇳Koustav Chatterjee2,484
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
710🇮🇳Koustav Chatterjee2,484