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

Top seed

🇮🇳WFMYash Jyoti Bir1988

Avg top 10

1,784

Participants

Titled players · 2

WFM×1

WCM×1

Federations · 1 represented

🇮🇳India×62

Top 3

🥇
WCMRajanya Datta
🇮🇳IND·1867
7.0pts·1947perf+18.9
🥈
Anushka Gupta
🇮🇳IND·1850
6.5pts·1900perf+13.0
🥉
Arhashirsha Biswas
🇮🇳IND·1801
6.0pts·1861perf+30.0

How it unfolded

Top 6 · 8 rounds

WCM Rajanya Datta led from R6; +0.5-point edge over the runner-up.

Co-leaders

Datta7Gupta6.5Biswas6Bir6Sarkar6Bhattacharya5.5

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	Anisha Chakrabarti	0	IND	−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
+72.4
4.5 pts · #14
2Rhiti MondalIND
+62.8
4.5 pts · #12
3Aditri BaisyaIND
+47.2
5.0 pts · #8

Top rating losers

1Arnavi PalIND
-66.4
3.5 pts · #57
2Stuti BajajIND
-64.4
3.5 pts · #49
3Avipsa BiswasIND
-45.2
4.0 pts · #50

Biggest upsets

R6+377 Elo gap
Aditri Baisya1611 beat WFMYash Jyoti Bir1988
R1+195 Elo gap
Rhiti Mondal1403 beat Megha Patra1598
R5+151 Elo gap
Raina Das Gupta1491 beat Tanisha Chatterjee1642