West Bengal State Under 13 (Girls) Chess Championship 2025

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76 players participated in this 8-round tournament, held from 24 Jul 2025 to 27 Jul 2025 in Kolkata, India. 1 titled players. Top 10 Elo average was 1629, and top seed was Maitreyi Mondal (🇮🇳 IND, WCM, 1952).

Rajanya Mondal (🇮🇳 IND, 1578) won with 7.5/8, ahead of Maitreyi Mondal (7.0) and Aayusree Sarkar (6.5). Mondal shared the lead from round 4 and won solo starting round 7.

The biggest upset came in round 5: Rajanya Mondal (1578) beat Maitreyi Mondal (WCM, 1952), a +374-point gap.

Location

🇮🇳Kolkata, India

Dates

24 Jul 2025 → 27 Jul 2025

Time control

Standard: 70 minutes for the game with 30 seconds increment from move 1

System

Swiss · 8 rounds

Top seed

🇮🇳WCMMaitreyi Mondal1952

Avg top 10

1,629

Participants

Titled players · 1

WCM×1

Federations · 1 represented

🇮🇳India×55

Top 3

🥇
Rajanya Mondal
🇮🇳IND·1578
7.5pts·2005perf+104.4
🥈
WCMMaitreyi Mondal
🇮🇳IND·1952
7.0pts·1873perf-15.2
🥉
Aayusree Sarkar
🇮🇳IND·1645
6.5pts·1745perf+32.0

How it unfolded

Top 6 · 8 rounds

Rajanya Mondal led from R7; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R7.

Co-leaders

Mondal7.5Mondal7Sarkar6.5Baisya6Bhattacharya6Bal6

R7–R8 · LEAD HELD

Rajanya Mondal held the sole lead from R7 through R8 without losing it.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Rajanya Mondal beat WCM Maitreyi Mondal (White).

WIN STREAKS · 3 top finishers

Rajanya Mondal 5 wins (R1–R5)WCM Maitreyi Mondal 4+3 wins (R1–R4, R6–R8)Aayusree Sarkar 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Rajanya Mondal	*	1	½	1
2WCMMaitreyi Mondal	0	*	—	—
3Aayusree Sarkar	½	—	*	—
4Aditri Baisya	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rajanya Mondal	1578	IND	+35B	+26N	+12B	+58N	+2B	=3N	+6B	+4N	7.5	39.0	42.0	38.75	2005	+104.4
2	Maitreyi MondalWCM	1952	IND	+64N	+28B	+19N	+8B	−1N	+13B	+5N	+10B	7.0	39.0	41.5	34.00	1873	-15.2
3	Aayusree Sarkar	1645	IND	+32N	+23B	+20N	+5B	+11N	=1B	−4N	+14B	6.5	39.5	43.5	33.75	1745	+32.0
4	Aryahi Bhattacharya	1587	IND	+51B	+43N	=7B	=21N	+15B	+11N	+3B	−1B	6.0	38.5	42.0	29.25	1652	+18.4
5	Bhumica Bal	1535	IND	+45B	+75N	+22B	−3N	+26B	+7N	−2B	+11N	6.0	37.5	37.5	24.00	1665	+30.8
6	Aditri Baisya	1583	IND	+57N	+15B	+31N	−11B	+16N	+20B	−1N	+12B	6.0	36.5	39.5	27.00	1633	+21.2
7	Prapti Mukerjee	1456	IND	+55N	+73B	=4N	=13B	+8N	−5B	=9N	+27B	5.5	36.0	37.5	23.25	1567	+29.6
8	Avipsa Biswas	1559	IND	+41N	+62B	+17N	−2N	−7B	=16B	+49N	+20B	5.5	35.0	37.5	22.50	1587	+5.6
9	Subhandri Maity	1662	IND	+34B	−12N	=32B	+48N	+17B	=27N	=7B	+26N	5.5	32.5	36.0	24.00	1587	-17.2
10	Riyana Khatun	1602	IND	+71B	−17N	+57B	+14B	=31N	+33N	+27B	−2N	5.5	32.5	34.0	20.00	1489	-28.0
11	Aharna Dey	1526	IND	+54N	+44B	+16N	+6N	−3B	−4B	+23N	−5B	5.0	38.5	42.0	23.50	1533	+2.0
12	Pradyuta Jana	1435	IND	+39N	+9B	−1N	−33B	+24N	+30B	+29B	−6N	5.0	37.0	41.0	23.50	1604	+31.6
13	Shreyashi Das	1469	IND	+67B	=40N	+48B	=7N	+22B	−2N	=15B	=21N	5.0	35.0	37.5	20.75	1540	+12.0
14	Shriyanshi Guha	1440	IND	=30B	+42N	+40B	−10N	+59B	+36B	=18N	−3N	5.0	33.5	36.5	19.75	1528	+20.8
15	Rahini Das	1420	IND	+60B	−6N	+46B	+30N	−4N	+58B	=13N	=18B	5.0	33.5	36.5	19.50	1338	-16.0
16	Niranjana Nanda	1417	IND	+25B	+38N	−11B	+63N	−6B	=8N	=45B	+33N	5.0	33.5	36.0	20.25	1283	-18.0
17	Saiaastha Singh	1420	IND	+70N	+10B	−8B	=25N	−9N	+60B	+37N	=19B	5.0	33.5	35.5	19.50	1490	0.0
18	Ayanshi Sengupta	1482	IND	+38B	−25N	+35B	−26N	+57B	+22N	=14B	=15N	5.0	32.5	35.5	21.00	1298	-28.8
19	Anushka Saha	1477	IND	+56N	+33B	−2B	=59N	=25B	=26N	+48B	=17N	5.0	32.5	35.5	19.75	1540	+8.4
20	Srijani Naskar	1468	IND	+69N	+63B	−3B	+34N	+58B	−6N	+25B	−8N	5.0	32.5	34.5	16.50	795	-42.8
21	Shrina Nandy	1519	IND	+24N	=48B	+37N	=4B	−27N	=49B	+32N	=13B	5.0	32.0	35.5	22.00	1471	-13.6
22	Ishika Biswas	0	IND	+?N	+36B	−5N	+23B	−13N	−18B	+58N	+31B	5.0	32.0	32.0	16.00	1501	0.0
23	Ayushi Bag	1433	IND	+76B	−3N	+54B	−22N	+61B	+40N	−11B	+50N	5.0	30.5	30.5	14.00	786	-24.0
24	Kashwini Maity	0	IND	−21B	+29N	=?B	=32N	−12B	+51N	+40B	+41N	5.0	30.0	30.0	18.00	1413	0.0
25	Somdatta Das Chakladar	0	IND	−16N	+18B	+?N	=17B	=19N	+?B	−20N	+34B	5.0	29.0	29.0	14.00	1465	0.0
26	Ahana Dalbera	1404	IND	+65N	−1B	+66N	+18B	−5N	=19B	+36N	−9B	4.5	35.5	38.0	16.50	1480	+21.6
27	Risana Khatun	0	IND	−31B	+?B	+44N	+53N	+21B	=9B	−10N	−7N	4.5	33.0	33.0	15.25	1471	-8.8
28	Yashashree Chakraborty	1436	IND	+68B	−2N	−45B	+54N	=38B	−47N	+56B	+48N	4.5	29.5	32.0	15.00	1634	+14.4
29	Suchandra Majumdar	1589	IND	−48N	−24B	+69N	+56B	+34N	+31B	−12N	=30B	4.5	29.5	31.5	15.75	1310	-44.4
30	Raashi Mahato	0	IND	=14N	=?B	+62N	−15B	+?B	−12N	+35B	=29N	4.5	26.0	26.0	11.25	1420	0.0
31	Aishani Chowdhury	1437	IND	+27N	+50B	−6B	+45N	=10B	−29N	=33B	−22N	4.0	33.5	37.0	16.75	1317	-16.0
32	Arnavi Pal	0	IND	−3B	+76N	=9N	=24B	=53B	+38N	−21B	=42N	4.0	33.5	33.5	13.00	1401	0.0
33	Sanandita Das	0	IND	+?B	−19N	+43B	+12N	=36N	−10B	=31N	−16B	4.0	32.5	32.5	13.00	1420	0.0
34	FIDE 429096065	0	—	−9N	+39B	+50N	−20B	−29B	+61N	+46B	−25N	4.0	31.5	34.5	14.50	783	0.0
35	Debasmita Das	0	IND	−1N	+65B	−18N	=50B	=39N	+66B	−30N	+60B	4.0	30.0	32.5	11.75	729	0.0
36	Pratyusha Mishra	1510	IND	+46B	−22N	+71B	+49N	=33B	−14N	−26B	=47N	4.0	30.0	31.5	13.00	1292	-30.8
37	Pratyusha Jana	0	IND	=42B	+61N	−21B	=?N	=43B	+53N	−17B	=44N	4.0	28.5	28.5	12.50	1393	0.0
38	Mritsa Bag	0	IND	−18N	−16B	+70N	+44B	=28N	−32B	+52N	=?B	4.0	28.0	28.0	11.75	1250	0.0
39	FIDE 531064566	0	—	−12B	−34N	+51B	=42N	=35B	+57N	−41B	+59N	4.0	27.5	30.5	13.50	1253	0.0
40	Sourita Naru	0	IND	+49N	=13B	−14N	=?B	+?N	−23B	−24N	+57N	4.0	26.5	26.5	9.00	1371	0.0
41	FIDE 25148982	0	—	−8B	−47N	−60B	+68N	+?N	+62B	+39N	−24B	4.0	26.5	26.5	9.00	762	0.0
42	Pramugdha Kanu	1441	IND	=37N	−14B	=55N	=39B	−60N	+72B	+65N	=32B	4.0	26.0	27.5	11.75	648	-19.2
43	Ankita Sahu	1410	IND	+66N	−4B	−33N	+55B	=37N	+63B	−50N	=?B	4.0	26.0	26.0	10.50	1369	0.0
44	FIDE 429096014	0	—	+?B	−11N	−27B	−38N	+67B	=54N	+63N	=37B	4.0	26.0	26.0	8.75	727	0.0
45	DHANSHIRI SINHA	0	IND	−5N	+?B	+28N	−31B	=52N	+64B	=16N	−?B	4.0	25.5	25.5	11.25	1312	0.0
46	Lazen Dolma Lama	0	IND	−36N	+52B	−15N	+62B	−?N	+?B	−34N	+58B	4.0	22.0	22.0	9.00	654	0.0
47	Sridatri Kundu	0	IND	−62N	+41B	=64N	−52B	+?N	+28B	−?N	=36B	4.0	21.0	21.0	11.75	1465	0.0
48	Bohnishree Roy	0	IND	+29B	=21N	−13N	−9B	+65N	+52B	−19N	−28B	3.5	33.0	35.5	13.00	1340	-22.4
49	Amishtha Datta	1408	IND	−40B	+67N	+72B	−36B	+66N	=21N	−8B	−53N	3.5	27.0	28.5	9.00	1190	-36.0
50	Upadhriti Bhattacharya	0	IND	F	−31N	−34B	=35N	+71B	+59N	+43B	−23B	3.5	25.5	25.5	10.50	634	0.0
51	FIDE 531078273	0	—	−4N	−66B	−39N	+74N	+?B	−24B	+69N	=55B	3.5	24.5	24.5	5.25	794	0.0
52	B Hashini	1460	IND	−72B	−46N	+68B	+47N	=45B	−48N	−38B	+?N	3.5	23.5	23.5	8.50	613	0.0
53	Srinjini Biswas	1505	IND	F	+72N	−58B	−27B	=32N	−37B	+64N	+49B	3.5	23.0	23.0	9.50	2200	+16.0
54	Divisha Dhar	0	IND	−11B	+?N	−23N	−28B	+73N	=44B	−?N	+65B	3.5	22.5	22.5	6.00	685	0.0
55	FIDE 48703346	0	—	−7B	=74N	=42B	−43N	+75B	=?N	=59B	=51N	3.5	21.5	21.5	6.00	1313	0.0
56	Nibedita Sarkar	0	IND	−19B	−?N	+?B	−29N	=?N	+?B	−28N	+63B	3.5	16.5	16.5	2.50	1128	0.0
57	FIDE 88144143	0	—	−6B	+60N	−10N	+73B	−18N	−39B	+62N	−40B	3.0	30.0	31.5	7.00	752	0.0
58	Trisha Palai	0	IND	+?N	+?B	+53N	−1B	−20N	−15N	−22B	−46N	3.0	30.0	30.0	3.50	1412	0.0
59	FIDE 547022469	0	—	−63N	+69B	+73N	=19B	−14N	−50B	=55N	−39B	3.0	25.5	27.0	7.75	1270	0.0
60	Shilpa Mondal	0	IND	−15N	−57B	+41N	=?B	+42B	−17N	=?B	−35N	3.0	25.0	25.0	8.00	1382	0.0
61	Pakhi Mondal	0	IND	=?N	−37B	+?N	=64B	−23N	−34B	+75N	−?B	3.0	15.5	15.5	1.25	1473	0.0
62	Aahiri Pal	0	IND	+47B	−8N	−30B	−46N	+72B	−41N	−57B	=66N	2.5	27.5	29.0	6.75	762	0.0
63	Sriparna Gure	0	IND	+59B	−20N	+75B	−16B	=64N	−43N	−44B	−56N	2.5	27.0	27.0	4.25	655	0.0
64	FIDE 531085202	0	—	−2B	+68N	=47B	=61N	=63B	−45N	−53B	F	2.5	26.5	28.0	7.25	911	0.0
65	FIDE 547073098	0	—	−26B	−35N	+67B	=71N	−48B	+74N	−42B	−54N	2.5	23.5	25.0	4.75	618	0.0
66	FIDE 558010548	0	—	−43B	+51N	−26B	+75N	−49B	−35N	−?N	=62B	2.5	22.0	22.0	4.75	602	0.0
67	FIDE 558010289	0	—	−13N	−49B	−65N	+70B	−44N	=73B	−?N	+?B	2.5	18.5	18.5	2.75	638	0.0
68	FIDE 558010343	0	—	−28N	−64B	−52N	−41B	+70N	=?B	F	+71B	2.5	18.0	18.0	3.50	654	0.0
69	FIDE 558010564	0	—	−20B	−59N	−29B	+76N	−74B	+?N	−51B	F	2.0	17.5	17.5	0.00	741	0.0
70	FIDE 531087868	0	—	−17B	−71N	−38B	−67N	−68B	F	+?N	+75B	2.0	15.5	15.5	0.00	665	0.0
71	FIDE 429017890	0	—	−10N	+70B	−36N	=65B	−50N	−?B	F	−68N	1.5	21.5	21.5	3.25	737	0.0
72	FIDE 531078451	0	—	+52N	−53B	−49N	=?B	−62N	−42N	F	F	1.5	21.0	21.0	3.50	636	0.0
73	FIDE 48766305	0	—	+74B	−7N	−59B	−57N	−54B	=67N	F	F	1.5	20.5	20.5	2.75	656	0.0
74	FIDE 547060417	0	—	−73N	=55B	−?N	−51B	+69N	−65B	F	F	1.5	14.5	14.5	3.75	660	0.0
75	FIDE 558010467	0	—	F	−5B	−63N	−66B	−55N	F	−61B	−70N	0.0	19.5	19.5	0.00	735	0.0
76	FIDE 531089267	0	—	−23N	−32B	−?N	−69B	F	F	F	F	0.0	11.0	11.0	0.00	630	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Rajanya MondalIND
+104.4
7.5 pts · #2
2Aayusree SarkarIND
+32.0
6.5 pts · #3
3Pradyuta JanaIND
+31.6
5.0 pts · #22

Top rating losers

1Suchandra MajumdarIND
-44.4
4.5 pts · #41
2Srijani NaskarIND
-42.8
5.0 pts · #54
3Amishtha DattaIND
-36.0
3.5 pts · #45

Biggest upsets

R5+374 Elo gap
Rajanya Mondal1578 beat WCMMaitreyi Mondal1952
R2+227 Elo gap
Pradyuta Jana1435 beat Subhandri Maity1662
R2+182 Elo gap
Saiaastha Singh1420 beat Riyana Khatun1602