West Bengal State Under-9 (GIRLS) FIDE Rated Chess Championship-2025
Open SwissStandard
40 players participated in this 8-round tournament, held from 09 May 2025 to 12 May 2025 in Kolkata, India. Top 10 Elo average was 1326, and top seed was Aryahi Bhattacharya (🇮🇳 IND, 1549).
Aryahi Bhattacharya (🇮🇳 IND, 1549) won with 7.0/8, ahead of Saiaastha Singh (6.5) and Shreyashi Das (6.0). Bhattacharya clinched sole first place in the final round.
The biggest upset came in round 3: Saiaastha Singh (1401) beat Arpitangshi Bhattacharya (1539), a +138-point gap.
Location
🇮🇳Kolkata, India
Dates
09 May 2025 → 12 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Federations · 1 represented
🇮🇳India×22
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsAryahi Bhattacharya led from R8; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R8.
Co-leaders
28
14
5
2
3
1
1
1
R8 · LEADER CHANGE12 May
Aryahi Bhattacharya takes the sole lead (7.0/8).
R8 · HEAD-TO-HEAD · WINNER VS 2ND
Aryahi Bhattacharya beat Saiaastha Singh (White).
WIN STREAKS · 3 top finishers
Aryahi Bhattacharya 4 wins (R1–R4)Saiaastha Singh 3+3 wins (R1–R3, R5–R7)Shreyashi Das 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Aryahi Bhattacharya | * | 1 | ½ | ½ |
| 2Saiaastha Singh | 0 | * | 1 | — |
| 3Shreyashi Das | ½ | 0 | * | ½ |
| 4Eishita Lahiry | ½ | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Aryahi Bhattacharya | 1549 | IND | +34B | +8N | +13B | +32N | =3B | =7N | +5B | +2B | 7.0 | 38.0 | 41.0 | 35.00 | 1736 | +47.6 |
| 2 | Saiaastha Singh | 1401 | IND | +35B | +24N | +5B | =12N | +9B | +3N | +4B | −1N | 6.5 | 39.5 | 42.5 | 33.00 | 1658 | +43.2 |
| 3 | Shreyashi Das | 1451 | IND | +40B | +15N | +23B | +4N | =1N | −2B | +8B | =7N | 6.0 | 40.5 | 42.5 | 29.50 | 1488 | +7.2 |
| 4 | Srijani Naskar | 1470 | IND | +37N | +14B | +16N | −3B | +6N | +15B | −2N | +10B | 6.0 | 39.0 | 41.5 | 29.00 | 1369 | -19.2 |
| 5 | Arpitangshi Bhattacharya | 1539 | IND | +33N | +25B | −2N | +10N | +17B | +28B | −1N | +16B | 6.0 | 37.0 | 40.0 | 26.50 | 731 | -41.2 |
| 6 | Ayanshi Sengupta | 1512 | IND | +27B | +17N | =9B | +11N | −4B | =8N | +24B | +14N | 6.0 | 36.5 | 40.5 | 29.00 | 688 | -22.4 |
| 7 | Eishita Lahiry | 0 | IND | −32N | +36B | +26N | +19N | +12B | =1B | +9N | =3B | 6.0 | 35.0 | 38.0 | 28.50 | 1496 | +20.4 |
| 8 | Anusmita Ghosh | 0 | IND | +?N | −1B | +?N | +18B | +30N | =6B | −3N | +15B | 5.5 | 33.0 | 33.0 | 17.00 | 1243 | 0.0 |
| 9 | Aahiri Pal | 0 | IND | +18N | +?B | =6N | +20B | −2N | +?B | −7B | +?N | 5.5 | 28.0 | 28.0 | 12.50 | 1203 | 0.0 |
| 10 | Adwitiya Das | 0 | IND | =?N | +?B | +?N | −5B | +24B | +11N | +20B | −4N | 5.5 | 26.0 | 26.0 | 14.00 | 714 | 0.0 |
| 11 | Trisha Palai | 0 | IND | =?N | +?B | +?N | −6B | +33N | −10B | +?N | +22B | 5.5 | 19.0 | 19.0 | 7.50 | 730 | 0.0 |
| 12 | Pradyuta Jana | 1452 | IND | +28N | +22B | =20N | =2B | −7N | −14B | +29N | +26B | 5.0 | 34.5 | 38.5 | 22.00 | 1257 | -25.2 |
| 13 | Udhriti Bhattacharya | 1421 | IND | +39N | +30B | −1N | +27B | −15N | +18B | −14N | +31B | 5.0 | 34.0 | 36.5 | 19.50 | 763 | -12.0 |
| 14 | Arshiya Biswas | 0 | IND | +?B | −4N | −24B | +?N | +21B | +12N | +13B | −6B | 5.0 | 30.5 | 30.5 | 14.50 | 1483 | 0.0 |
| 15 | Sanskriti Shaw | 0 | IND | +36N | −3B | +25N | +?B | +13B | −4N | +?B | −8N | 5.0 | 29.5 | 29.5 | 12.00 | 1328 | 0.0 |
| 16 | Amishtha Datta | 0 | IND | +29N | +26B | −4B | −24N | +?B | +?N | +17B | −5N | 5.0 | 29.0 | 29.0 | 13.00 | 714 | 0.0 |
| 17 | Aratrika Das | 0 | IND | +?N | −6B | +?N | +31B | −5N | +30B | −16N | +28B | 5.0 | 29.0 | 29.0 | 12.00 | 735 | 0.0 |
| 18 | FIDE 547053488 | 0 | — | −9B | +?N | +?B | −8N | +?B | −13N | +?B | +?N | 5.0 | 16.0 | 16.0 | 0.00 | 616 | 0.0 |
| 19 | Aaditri Majumdar | 0 | IND | +?N | =?B | =31N | −7B | =27N | +38B | +28N | −20B | 4.5 | 25.0 | 25.0 | 10.50 | 601 | 0.0 |
| 20 | Tannistha Das | 0 | IND | +?B | +?N | =12B | −9N | +?B | F | −10N | +19N | 4.5 | 23.5 | 23.5 | 7.00 | 1498 | 0.0 |
| 21 | FIDE 547055561 | 0 | — | +?N | +?B | −32N | −?B | −14N | +?B | +30N | =25B | 4.5 | 16.0 | 16.0 | 6.00 | 668 | 0.0 |
| 22 | FIDE 531086802 | 0 | — | +?N | −12N | −?B | =25B | +?N | +?B | +?N | −11N | 4.5 | 14.5 | 14.5 | 2.00 | 698 | 0.0 |
| 23 | FIDE 547053569 | 0 | — | +?N | +?B | −3N | =33B | −?N | −25B | +?N | +?B | 4.5 | 13.0 | 13.0 | 1.50 | 655 | 0.0 |
| 24 | FIDE 547055286 | 0 | — | +?N | −2B | +14N | +16B | −10N | +?B | −6N | −?B | 4.0 | 28.0 | 28.0 | 10.00 | 714 | 0.0 |
| 25 | FIDE 547053470 | 0 | — | +?B | −5N | −15B | =22N | +40B | +23N | −?B | =21N | 4.0 | 26.5 | 26.5 | 11.00 | 739 | 0.0 |
| 26 | FIDE 537007050 | 0 | — | +?B | −16N | −7B | +34N | −?B | +35N | +27B | −12N | 4.0 | 26.0 | 26.0 | 10.00 | 650 | 0.0 |
| 27 | DHANSHIRI SINHA | 0 | IND | −6N | +?B | +29N | −13N | =19B | =?B | −26N | +?B | 4.0 | 23.5 | 23.5 | 6.25 | 673 | 0.0 |
| 28 | FIDE 547053500 | 0 | — | −12B | +?N | +?B | +?N | +32B | −5N | −19B | −17N | 4.0 | 23.5 | 23.5 | 3.00 | 1377 | 0.0 |
| 29 | FIDE 547053461 | 0 | — | −16B | +34N | −27B | −?N | +?B | +?N | −12B | +33N | 4.0 | 20.0 | 20.0 | 6.00 | 698 | 0.0 |
| 30 | FIDE 547053526 | 0 | — | +?B | −13N | +?N | +?B | −8B | −17N | −21B | +?N | 4.0 | 20.0 | 20.0 | 0.00 | 616 | 0.0 |
| 31 | Upadhriti Bhattacharya | 0 | IND | =?N | +?B | =19B | −17N | +?B | −?N | +34B | −13N | 4.0 | 17.5 | 17.5 | 5.25 | 616 | 0.0 |
| 32 | Yashashree Chakraborty | 1468 | IND | +7B | +38N | +21B | −1B | −28N | F | F | F | 3.0 | 28.5 | 28.5 | 13.00 | 1482 | +1.6 |
| 33 | FIDE 429080312 | 0 | — | −5B | +?N | +?B | =23N | −11B | −?N | =?N | −29B | 3.0 | 20.0 | 20.0 | 2.25 | 739 | 0.0 |
| 34 | FIDE 547055332 | 0 | — | −1N | −29B | +?N | −26B | +?N | +?B | −31N | −?B | 3.0 | 19.0 | 19.0 | 0.00 | 763 | 0.0 |
| 35 | FIDE 547053623 | 0 | — | −2N | +?B | −?N | −?B | +?N | −26B | +37N | −?B | 3.0 | 13.0 | 13.0 | 2.50 | 698 | 0.0 |
| 36 | FIDE 547055316 | 0 | — | −15B | −7N | =40B | F | −?N | +?B | +?N | =?B | 3.0 | 13.0 | 13.0 | 1.00 | 601 | 0.0 |
| 37 | FIDE 547053593 | 0 | — | −4B | −?B | +?N | −?N | −?B | +?N | −35B | =?N | 2.5 | 9.0 | 9.0 | 0.00 | 688 | 0.0 |
| 38 | FIDE 429030480 | 0 | — | +?N | −32B | −?N | +?B | =?N | −19N | F | F | 2.5 | 7.5 | 7.5 | 0.00 | 668 | 0.0 |
| 39 | FIDE 547053550 | 0 | — | −13B | −?B | +?N | −?N | −?B | +?N | −?B | =?N | 2.5 | 5.0 | 5.0 | 0.00 | 616 | 0.0 |
| 40 | FIDE 547053445 | 0 | — | −3N | −?B | =36N | +?B | −25N | −?B | −?N | =?B | 2.0 | 13.0 | 13.0 | 1.50 | 655 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Aryahi BhattacharyaIND+47.67.0 pts · #1
- 2Saiaastha SinghIND+43.26.5 pts · #2
- 3Eishita LahiryIND+20.46.0 pts · #5
Top rating losers
- 1Arpitangshi BhattacharyaIND-41.26.0 pts · #19
- 2Pradyuta JanaIND-25.25.0 pts · #10
- 3Ayanshi SenguptaIND-22.46.0 pts · #39
Biggest upsets
- R3+138 Elo gap