West Bengal State Under - 19 (Girls) Chess Championship 2025
Open SwissStandard
67 players participated in this 8-round tournament, held from 07 Nov 2025 to 10 Nov 2025 in Kolkata, India. 2 titled players. Top 10 Elo average was 1784, and top seed was Yash Jyoti Bir (🇮🇳 IND, WFM, 1988).
Rajanya Datta (🇮🇳 IND, WCM, 1867) won with 7.0/8, ahead of Anushka Gupta (6.5) and Arhashirsha Biswas (6.0). Datta took the lead from round 6.
The biggest upset came in round 6: Aditri Baisya (1611) beat Yash Jyoti Bir (WFM, 1988), a +377-point gap.
Location
🇮🇳Kolkata, India
Dates
07 Nov 2025 → 10 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Titled players · 2
WFM×1
WCM×1
Federations · 1 represented
🇮🇳India×61
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsWCM Rajanya Datta led from R6; +0.5-point edge over the runner-up.
Co-leaders
29
13
4
1
1
1
1
1
R6 · LEADER CHANGE09 Nov
WCM Rajanya Datta takes the sole lead (5.5/6).
R6 · HEAD-TO-HEAD · WINNER VS 2ND
WCM Rajanya Datta beat Anushka Gupta (White).
WIN STREAKS · 3 top finishers
WCM Rajanya Datta 6 wins (R2–R7)Anushka Gupta 5 wins (R1–R5)Arhashirsha Biswas 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1WCMRajanya Datta | * | 1 | ½ | — |
| 2Anushka Gupta | 0 | * | 1 | — |
| 3Arhashirsha Biswas | ½ | 0 | * | — |
| 4WFMYash Jyoti Bir | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rajanya DattaWCM | 1867 | IND | =21N | +25B | +27N | +26B | +4N | +2B | +12N | =3B | 7.0 | 36.5 | 40.5 | 35.25 | 1947 | +18.9 |
| 2 | Anushka Gupta | 1850 | IND | +31B | +58N | +12B | +8N | +3B | −1N | =6B | +7N | 6.5 | 38.5 | 41.0 | 31.25 | 1900 | +13.0 |
| 3 | Arhashirsha Biswas | 1801 | IND | +54N | +7B | +18N | =4B | −2N | +35B | +9N | =1N | 6.0 | 38.5 | 41.5 | 28.50 | 1861 | +30.0 |
| 4 | Aayusree Sarkar | 1713 | IND | +61B | +32N | +19B | =3N | −1B | =20N | +16B | +12B | 6.0 | 36.0 | 38.0 | 25.75 | 1771 | +27.6 |
| 5 | Yash Jyoti BirWFM | 1988 | IND | +23B | +29N | =6B | =35N | +19B | −12N | +13B | +15N | 6.0 | 33.5 | 37.0 | 27.50 | 1803 | -25.0 |
| 6 | Ayushi Roy | 1708 | IND | +36N | +44B | =5N | =9B | +13N | =7B | =2N | =8B | 5.5 | 37.5 | 41.0 | 26.50 | 1806 | +42.8 |
| 7 | Raina Das Gupta | 1491 | IND | +64B | −3N | +28B | +24N | +18B | =6N | +19B | −2B | 5.5 | 35.5 | 37.0 | 21.75 | 1721 | +41.0 |
| 8 | Suravi Bhattacharya | 1756 | IND | +53N | +30B | +13N | −2B | =35N | =9B | +14B | =6N | 5.5 | 35.0 | 38.0 | 24.25 | 1756 | +6.0 |
| 9 | Kathakali Dey | 1757 | IND | +39B | +10N | =35B | =6N | +27B | =8N | −3B | +20N | 5.5 | 34.5 | 38.0 | 24.75 | 1704 | -13.2 |
| 10 | Srijita Das | 1491 | IND | +42N | −9B | −36N | +59B | =52N | +24B | +35N | +26B | 5.5 | 27.5 | 30.0 | 19.50 | 1615 | +37.2 |
| 11 | Dakhsha Rudra | 1754 | IND | F | F | +25N | +40B | =21N | +27B | +37N | +18B | 5.5 | 24.5 | 24.5 | 22.25 | 1838 | +11.6 |
| 12 | Aditri Baisya | 1611 | IND | +24N | +37B | −2N | +51B | +53N | +5B | −1B | −4N | 5.0 | 36.5 | 39.5 | 20.00 | 1747 | +47.2 |
| 13 | Shubhomita Jana | 1592 | IND | +48B | +20N | −8B | +23N | −6B | +26B | −5N | +34N | 5.0 | 34.0 | 37.5 | 20.50 | 1678 | +30.0 |
| 14 | Rupsha Mondal | 1520 | IND | +40B | =22N | +16B | −18N | +17B | =15B | −8N | +28N | 5.0 | 33.5 | 37.0 | 22.25 | 1547 | +8.8 |
| 15 | Megha Patra | 1598 | IND | −22B | +17N | +31B | =20N | +30B | =14N | +28B | −5B | 5.0 | 33.0 | 37.0 | 21.75 | 1580 | -13.2 |
| 16 | Shriyanshi Guha | 1466 | IND | +33N | =26B | −14N | =21B | +36N | +53B | −4N | +27B | 5.0 | 31.0 | 34.0 | 18.75 | 1506 | +10.8 |
| 17 | Sunbhi Ghosh | 0 | IND | =25N | −15B | +54N | +37B | −14N | +51B | =38N | +30B | 5.0 | 28.5 | 31.5 | 17.50 | 1535 | 0.0 |
| 18 | Tanisha Chatterjee | 1642 | IND | +28B | +46N | −3B | +14B | −7N | +39N | =20B | −11N | 4.5 | 34.0 | 37.5 | 18.25 | 1587 | -20.8 |
| 19 | Shrina Nandy | 1523 | IND | +56N | +45B | −4N | +36B | −5N | +31B | −7N | =21B | 4.5 | 33.0 | 36.0 | 16.25 | 1511 | -10.0 |
| 20 | Ananya Samanta | 1470 | IND | +52N | −13B | +66N | =15B | +43N | =4B | =18N | −9B | 4.5 | 32.5 | 33.5 | 15.25 | 1514 | +10.0 |
| 21 | Eishita Lahiry | 1449 | IND | =1B | =57N | =29B | =16N | =11B | =58N | +41B | =19N | 4.5 | 32.0 | 34.5 | 19.00 | 1630 | +72.4 |
| 22 | Rhiti Mondal | 1403 | IND | +15N | =14B | −26N | +55B | −29N | =30B | =44N | +37B | 4.5 | 29.0 | 32.0 | 17.75 | 1550 | +62.8 |
| 23 | Rahini Das | 1452 | IND | −5N | +60B | +45N | −13B | =33N | =55B | =29N | +38B | 4.5 | 29.0 | 31.0 | 14.50 | 1504 | +8.0 |
| 24 | Sreejita Halder | 1411 | IND | −12B | +65N | +32B | −7B | =51N | −10N | +57B | +46N | 4.5 | 29.0 | 30.5 | 13.00 | 1444 | +8.4 |
| 25 | Shreyashi Daityari | 1457 | IND | =17B | −1N | −11B | +64N | −57B | +60N | +43B | +35B | 4.5 | 29.0 | 30.5 | 13.00 | 1606 | +17.6 |
| 26 | Srijani Naskar | 1543 | IND | +67B | =16N | +22B | −1N | +34B | −13N | =32B | −10N | 4.0 | 35.0 | 35.0 | 13.00 | 1484 | -26.0 |
| 27 | Sumedha Das | 0 | IND | +34B | +41N | −1B | +44B | −9N | −11N | +58B | −16N | 4.0 | 34.0 | 36.5 | 13.50 | 1607 | 0.0 |
| 28 | Niranjana Nanda | 1411 | IND | −18N | +52B | −7N | +45B | +38N | +29B | −15N | −14B | 4.0 | 31.0 | 34.0 | 14.00 | 1407 | +1.2 |
| 29 | Aratrika Das | 1515 | IND | +60N | −5B | =21N | =33B | +22B | −28N | =23B | =52N | 4.0 | 30.5 | 32.5 | 14.50 | 1434 | -8.0 |
| 30 | Prapti Mukerjee | 1484 | IND | +63B | −8N | +40B | =43B | −15N | =22N | +39B | −17N | 4.0 | 30.5 | 32.5 | 13.00 | 1464 | -7.6 |
| 31 | Raima Bhattacharjee | 1443 | IND | −2N | +42B | −15N | +66B | +41B | −19N | F | +32N | 4.0 | 30.0 | 31.0 | 12.00 | 1524 | +16.8 |
| 32 | Avipsa Biswas | 1485 | IND | +59N | −4B | −24N | =42B | +50N | +43B | =26N | −31B | 4.0 | 29.0 | 31.5 | 13.25 | 1206 | -45.2 |
| 33 | Sonakshi Roy | 0 | IND | −16B | +48N | =34B | =29N | =23B | −41N | =49B | +51N | 4.0 | 28.0 | 31.0 | 14.50 | 1423 | 0.0 |
| 34 | Nibedita Sarkar | 1457 | IND | −27N | +56B | =33N | +62B | −26N | =52B | +53N | −13B | 4.0 | 26.0 | 28.0 | 11.50 | 1393 | -14.4 |
| 35 | Aharna Dey | 1596 | IND | +49N | +51B | =9N | =5B | =8B | −3N | −10B | −25N | 3.5 | 36.5 | 39.5 | 15.00 | 1569 | -12.0 |
| 36 | Pramugdha Kanu | 1416 | IND | −6B | +63N | +10B | −19N | −16B | =46N | =42B | =40N | 3.5 | 31.0 | 33.0 | 12.75 | 1382 | -10.8 |
| 37 | Anushka Saha | 1470 | IND | +47B | −12N | =62B | −17N | +42B | +57N | −11B | −22N | 3.5 | 29.5 | 31.5 | 10.50 | 796 | -43.6 |
| 38 | Arnavi Pal | 1490 | IND | =57B | +43N | −41B | =39N | −28B | +40N | =17B | −23N | 3.5 | 27.5 | 30.0 | 12.50 | 1140 | -66.4 |
| 39 | Saiaastha Singh | 1438 | IND | −9N | +59B | =55N | =38B | +44N | −18B | −30N | =47B | 3.5 | 27.5 | 30.0 | 11.00 | 1434 | -2.4 |
| 40 | Anisha Biswas | 0 | IND | −14N | +54B | −30N | −11N | +66B | −38B | +56N | =36B | 3.5 | 27.5 | 28.5 | 8.75 | 1325 | 0.0 |
| 41 | Stuti Bajaj | 1554 | IND | +50N | −27B | +38N | −53B | −31N | +33B | −21N | =49N | 3.5 | 27.0 | 30.0 | 12.75 | 1252 | -64.4 |
| 42 | Divisha Dhar | 0 | IND | −10B | −31N | +48B | =32N | −37N | +54B | =36N | =58B | 3.5 | 27.0 | 29.5 | 11.50 | 1356 | 0.0 |
| 43 | Anusmita Ghosh | 0 | IND | +55N | −38B | +46B | =30N | −20B | −32N | −25N | +65B | 3.5 | 27.0 | 28.5 | 10.00 | 1375 | 0.0 |
| 44 | Subarna Sengupta | 1479 | IND | +65B | −6N | +57B | −27N | −39B | +47N | =22B | −45N | 3.5 | 27.0 | 28.5 | 9.75 | 1244 | -33.2 |
| 45 | Suryadita Dutta | 0 | IND | F | −19N | −23B | −28N | +56B | =61N | +48B | +44B | 3.5 | 25.0 | 25.0 | 11.00 | 1304 | 0.0 |
| 46 | Srinjini Biswas | 1480 | IND | +66N | −18B | −43N | −52B | +62N | =36B | +50N | −24B | 3.5 | 24.5 | 25.5 | 8.25 | 1217 | -39.2 |
| 47 | Sheikh Samia | 0 | IND | −37N | +49B | −51N | +56B | −55N | −44B | +61B | =39N | 3.5 | 23.0 | 25.0 | 10.25 | 1273 | 0.0 |
| 48 | FIDE 25946064 | 0 | — | −13N | −33B | −42N | =60B | +63N | +62B | −45N | +59N | 3.5 | 22.5 | 24.5 | 7.50 | 788 | 0.0 |
| 49 | Aaravi Dutta | 0 | IND | −35B | −47N | =64B | +63N | −58N | +65B | =33N | =41B | 3.5 | 20.5 | 22.0 | 8.00 | 1272 | 0.0 |
| 50 | Aishwarya Saha | 0 | IND | −41B | −62N | =63B | +61N | −32B | +59N | −46B | +57N | 3.5 | 20.0 | 22.0 | 8.00 | 1287 | 0.0 |
| 51 | Arijita Pal | 1463 | IND | +62B | −35N | +47B | −12N | =24B | −17N | =52N | −33B | 3.0 | 28.5 | 30.5 | 9.25 | 1266 | -30.0 |
| 52 | Sarbasree Dutta | 0 | IND | −20B | −28N | F | +46N | =10B | =34N | =51B | =29B | 3.0 | 28.5 | 28.5 | 11.75 | 1411 | 0.0 |
| 53 | Arpitangshi Bhattacharya | 1430 | IND | −8B | +64N | +58B | +41N | −12B | −16N | −34B | F | 3.0 | 27.0 | 27.0 | 7.50 | 1439 | +2.0 |
| 54 | Arani Bhowmick | 1441 | IND | −3B | −40N | −17B | +67N | =59B | −42N | =63B | +60N | 3.0 | 24.5 | 24.5 | 4.25 | 999 | -4.0 |
| 55 | Maitrayonee Sanyal | 1506 | IND | −43B | +67N | =39B | −22N | +47B | =23N | F | F | 3.0 | 23.5 | 23.5 | 7.50 | 1307 | -32.0 |
| 56 | FIDE 537098713 | 0 | — | −19B | −34N | +65B | −47N | −45N | +67B | −40B | +61N | 3.0 | 22.5 | 22.5 | 3.50 | 1351 | 0.0 |
| 57 | Ishani Jana | 0 | IND | =38N | =21B | −44N | =58B | +25N | −37B | −24N | −50B | 2.5 | 27.5 | 30.0 | 9.75 | 1360 | 0.0 |
| 58 | Pritika Gayen | 1496 | IND | F | −2B | −53N | =57N | +49B | =21B | −27N | =42N | 2.5 | 27.5 | 27.5 | 8.75 | 1292 | -32.4 |
| 59 | Kashwini Maity | 0 | IND | −32B | −39N | +67B | −10N | =54N | −50B | +64N | −48B | 2.5 | 24.5 | 24.5 | 3.00 | 1128 | 0.0 |
| 60 | FIDE 48774251 | 0 | — | −29B | −23N | =61B | =48N | =65N | −25B | =62N | −54B | 2.0 | 23.5 | 25.0 | 4.50 | 1077 | 0.0 |
| 61 | Adwitiya Das | 1424 | IND | −4N | −66B | =60N | −50B | +64N | =45B | −47N | −56B | 2.0 | 23.0 | 24.0 | 4.25 | 913 | -6.4 |
| 62 | FIDE 558046917 | 0 | — | −51N | +50B | =37N | −34N | −46B | −48N | =60B | F | 2.0 | 23.0 | 23.0 | 6.25 | 1161 | 0.0 |
| 63 | Mahee Majumder | 0 | IND | −30N | −36B | =50N | −49B | −48B | F | =54N | +66B | 2.0 | 22.0 | 22.0 | 4.25 | 1175 | 0.0 |
| 64 | FIDE 88144143 | 0 | — | −7N | −53B | =49N | −25B | −61B | +66N | −59B | F | 1.5 | 22.0 | 22.0 | 2.75 | 649 | 0.0 |
| 65 | FIDE 531064566 | 0 | — | −44N | −24B | −56N | F | =60B | −49N | +67B | −43N | 1.5 | 20.0 | 20.0 | 1.00 | 640 | 0.0 |
| 66 | Mritsa Bag | 0 | IND | −46B | +61N | −20B | −31N | −40N | −64B | F | −63N | 1.0 | 21.0 | 21.0 | 2.00 | 1262 | 0.0 |
| 67 | Amishtha Datta | 0 | IND | −26N | −55B | −59N | −54B | F | −56N | −65N | F | 0.0 | 19.0 | 19.0 | 0.00 | 696 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Eishita LahiryIND+72.44.5 pts · #14
- 2Rhiti MondalIND+62.84.5 pts · #12
- 3Aditri BaisyaIND+47.25.0 pts · #8
Top rating losers
- 1Arnavi PalIND-66.43.5 pts · #57
- 2Stuti BajajIND-64.43.5 pts · #49
- 3Avipsa BiswasIND-45.24.0 pts · #50
Biggest upsets
- R6+377 Elo gap
- R1+195 Elo gap
- R5+151 Elo gap