West Bengal State Under-9 (OPEN) FIDE Rated Chess Championship-2025

Open SwissStandard

97 players participated in this 8-round tournament, held from 09 May 2025 to 12 May 2025 in Kolkata, India. Top 10 Elo average was 1528, and top seed was Aniket Das (🇮🇳 IND, 1657).

Aayan Gupta (🇮🇳 IND, 1544) won with 8.0/8, ahead of Aniket Das (6.5) and Aaradhyo Guin (6.5). Gupta won solo starting round 6.

The biggest upset came in round 8: Riddhiman Datta (1418) beat Anish Sarkar (1561), a +143-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

Top seed

🇮🇳Aniket Das1657

Avg top 10

1,528

Participants

Federations · 1 represented

🇮🇳India×57

Top 3

🥇
Aayan Gupta
🇮🇳IND·1544
8.0pts·2310perf+104.0
🥈
Aniket Das
🇮🇳IND·1657
6.5pts·1679perf+2.8
🥉
Aaradhyo Guin
🇮🇳IND·1554
6.5pts·1561perf+1.6

How it unfolded

Top 6 · 8 rounds

Aayan Gupta led from R6; +1.5-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R6.

Co-leaders

Gupta8Das6.5Guin6.5Datta6.5Medda6.5Ahmed6.5

R6–R8 · LEAD HELD

Aayan Gupta never relinquished the lead after R6; final gap +1.5 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Aayan Gupta beat Aniket Das (Black).

WIN STREAKS · 3 top finishers

Aayan Gupta 8 wins (R1–R8)Aniket Das 5 wins (R1–R5)Aaradhyo Guin 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Aayan Gupta	*	1	1	—
2Aniket Das	0	*	—	—
3Aaradhyo Guin	0	—	*	½
4Riddhiman Datta	—	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	Aayan Gupta	1544	IND	+84N	+33B	+16N	+9B	+4N	+2N	+3B	+28B	8.0	41.0	44.0	44.00	2310	+104.0
2	Aniket Das	1657	IND	+92N	+14B	+30N	+11B	+28N	−1B	+9N	=4B	6.5	42.5	44.5	33.25	1679	+2.8
3	Aaradhyo Guin	1554	IND	+77N	+57B	=6N	+43B	+20N	+15B	−1N	+16B	6.5	39.5	42.5	31.25	1561	+1.6
4	Kazi Adyan Ahmed	1483	IND	+35B	+36N	+69B	+72N	−1B	+46N	+27B	=2N	6.5	37.5	40.5	29.25	1567	+12.8
5	Adhrit Medda	1471	IND	+89N	+47B	=23N	+25B	=6N	=44B	+45N	+8N	6.5	37.0	39.5	31.25	1640	+13.6
6	Riddhiman Datta	1418	IND	+79B	+75N	=3B	+54N	=5B	=10N	+23N	+29B	6.5	36.5	39.5	30.00	1665	+39.6
7	Navonil Das	1413	IND	+?N	=?B	+?N	=44B	+41N	+13B	=15N	+25B	6.5	26.0	26.0	21.00	1481	0.0
8	Aviraj Kumar	1475	IND	+41N	+55B	+13N	−15B	+37N	+34B	+12N	−5B	6.0	38.5	42.5	30.50	1387	-14.0
9	Ishaan Raychaudhuri	1467	IND	+93B	+67N	+56B	−1N	+55B	+58N	−2B	+36N	6.0	35.0	37.0	22.50	815	-23.6
10	Prayas Paul	0	IND	+?N	−20B	+74N	+32B	+33N	=6B	=29N	+30B	6.0	35.0	35.0	23.75	1493	0.0
11	Ahilaan Baishya	1474	IND	+97B	+37N	+94B	−2N	+36B	+17N	−28B	+33N	6.0	34.0	34.0	22.50	778	-30.8
12	Srijit Debnath	1548	IND	+85B	+73N	=43B	+48N	+18B	=27N	−8B	+32N	6.0	33.5	36.5	25.75	1465	-13.6
13	Souraansh Sarkar	0	IND	+?B	+17N	−8B	+67N	+?B	−7N	+59B	+?N	6.0	25.5	25.5	13.00	676	0.0
14	FIDE 547053747	0	—	+?B	−2N	−?B	+?N	+?B	+?N	+?B	+27N	6.0	11.5	11.5	5.00	1572	0.0
15	Reyansh Rawani	1497	IND	+68B	+88N	+46B	+8N	=27B	−3N	=7B	=17N	5.5	37.5	40.0	25.00	1501	+3.2
16	Ankit Saha	1410	IND	+81B	+38N	−1B	+62N	+77B	=29B	+44N	−3N	5.5	36.0	39.0	22.00	1284	-16.4
17	Ahan Kundu	0	IND	+?N	−13B	+80N	+52B	+42N	−11B	+34N	=15B	5.5	34.0	34.0	19.25	1469	0.0
18	Parthiv Das	1452	IND	+95N	=45B	+50N	+53B	−12N	+47B	−25N	+42B	5.5	33.5	34.5	20.75	1493	+5.2
19	Reyaan Gharai	0	IND	−46B	+90N	+59B	+87N	+24B	−28N	+31B	=21N	5.5	32.0	34.0	21.75	1254	-14.8
20	Prayash Mondal	1456	IND	+?B	+10N	=53B	+?N	−3B	=38N	=26B	+41N	5.5	31.5	31.5	17.75	753	0.0
21	Rongit Dasgupta	1410	IND	+71N	+76B	−29N	−41B	+64N	+52B	+35N	=19B	5.5	30.5	33.5	21.25	1458	+8.0
22	Guha Roy, Srimath	1437	IND	+80N	=91B	+78N	+45B	−29N	−23B	+47N	+49B	5.5	30.0	32.0	20.50	760	-16.8
23	Srijan Mandal	0	IND	+?B	−72N	=5B	+?B	+?N	+22N	−6B	+46N	5.5	26.0	26.0	13.25	1475	0.0
24	Aaryavv Ghosh	0	IND	+?N	=?B	=?N	+71B	−19N	=41B	+50N	+45B	5.5	22.0	22.0	14.25	1408	0.0
25	Adwit Mondal	0	IND	+?B	=?N	+?B	−5N	+?B	+?N	+18B	−7N	5.5	18.5	18.5	5.50	1476	0.0
26	Boxi Anudeep	0	IND	+?N	−?B	−42N	+?B	+?N	+?B	=20N	+44B	5.5	14.5	14.5	7.25	636	0.0
27	Aharnish Nanda	1479	IND	+83N	+40B	+34N	+29B	=15N	=12B	−4N	−14B	5.0	39.0	42.0	23.75	1519	+10.0
28	Aviraj Roy	1485	IND	+86N	+63B	F	+31N	−2B	+19B	+11N	−1N	5.0	38.0	38.0	23.50	1530	+9.2
29	Anish Sarkar	1561	IND	+96B	+60N	+21B	−27N	+22B	=16N	=10B	−6N	5.0	38.0	38.0	20.75	1441	-31.6
30	Kabir Islam	1442	IND	+70B	+66N	−2B	−35N	+65B	+77N	+55B	−10N	5.0	32.0	35.0	17.50	871	-8.4
31	Aryan Sarkar	1456	IND	+58N	+64B	+?N	−28B	=47N	=35B	−19N	+52B	5.0	31.5	31.5	16.25	643	0.0
32	Aditya Bhattacharjee	0	IND	+65B	−56N	+95B	−10N	+?B	+53N	+58B	−12B	5.0	28.5	28.5	12.50	749	0.0
33	FIDE 547054263	0	—	+?B	−1N	+?B	+56N	−10B	+?N	+51B	−11B	5.0	28.0	28.0	8.00	724	0.0
34	FIDE 429049121	0	—	+?N	+?B	−27B	+88N	+?B	−8N	−17B	+55N	5.0	23.0	23.0	6.50	675	0.0
35	Hardik Sarkar	0	IND	−4N	+?B	+?N	+30B	=?N	=31N	−21B	+?B	5.0	22.0	22.0	7.50	1319	0.0
36	Barnavo Biswas	0	IND	+?N	−4B	+76N	+?B	−11N	+?B	+?N	−9B	5.0	21.5	21.5	3.00	677	0.0
37	Debdipto Banerjee	0	IND	+?B	−11B	+?N	+?N	−8B	−51N	+?B	+54N	5.0	20.0	20.0	4.00	683	0.0
38	Samwridha Halder	0	IND	+?N	−16B	=57N	+?B	+?N	=20B	−?N	+?B	5.0	15.0	15.0	4.75	608	0.0
39	Arghya Sarkar	0	IND	−?N	+?B	+65N	−42B	−?N	+71B	+?N	+?B	5.0	11.0	11.0	6.50	1425	0.0
40	Boitan Saha	0	IND	+?B	−27N	−?B	−?N	+?B	+?N	+?B	+51N	5.0	9.0	9.0	4.00	673	0.0
41	Jainesh Bhaumik	0	IND	−8B	+?N	+51B	+21N	−7B	=24N	+43B	−20B	4.5	37.5	37.5	16.75	1442	0.0
42	Sasmit Bhattacharya	0	IND	+61B	−43N	+26B	+39N	−17B	+82N	=46B	−18N	4.5	34.5	37.5	19.75	646	-19.6
43	Aarul Mukherjee	0	IND	+?N	+42B	=12N	−3N	+50B	−45B	−41N	+64B	4.5	34.0	34.0	15.50	1513	0.0
44	Tirth Desai	0	IND	+?B	=48N	+?B	=7N	+72B	=5N	−16B	−26N	4.5	31.5	31.5	11.75	1264	0.0
45	Raajit Banerjee	0	IND	+?B	=18N	+?B	−22N	+54B	+43N	−5B	−24N	4.5	31.5	31.5	11.25	1211	0.0
46	Aditya Bose	0	IND	+19N	+?B	−15N	+?B	+69N	−4B	=42N	−23B	4.5	31.0	31.0	11.25	1364	0.0
47	Debnath, Priyam	0	IND	+51B	−5N	+?B	+?N	=31B	−18N	−22B	+?N	4.5	26.5	26.5	6.50	684	0.0
48	FIDE 531079148	0	—	+?N	=44B	+49N	−12B	F	−67B	+?N	+66B	4.5	22.0	22.0	10.25	749	0.0
49	Souhardya Das	0	IND	+90B	=87N	−48B	−75N	+?B	+73N	+?B	−22N	4.5	20.5	20.5	6.25	700	0.0
50	FIDE 547053976	0	—	=?B	+?N	−18B	+?B	−43N	+?N	−24B	+87N	4.5	18.0	18.0	2.50	646	0.0
51	FIDE 531066135	0	—	−47N	+89B	−41N	+83B	+71N	+37B	−33N	−40B	4.0	30.0	32.5	13.50	1434	0.0
52	Ryan Ghosh	0	IND	=?B	=?N	+73B	−17N	+87B	−21N	+82B	−31N	4.0	24.5	24.5	8.50	608	0.0
53	FIDE 429096677	0	—	+?N	+?B	=20N	−18N	=75B	−32B	+74N	−?B	4.0	22.0	22.0	7.25	646	0.0
54	FIDE 547054247	0	—	=?B	+?N	+91N	−6B	−45N	+?B	=57N	−37B	4.0	22.0	22.0	4.00	618	0.0
55	FIDE 547053666	0	—	+?B	−8N	+?B	+?N	−9N	+?B	−30N	−34B	4.0	22.0	22.0	0.00	658	0.0
56	Shreyan Mallick	0	IND	F	+32B	−9N	−33B	+74N	+?B	+?N	−?B	4.0	19.0	19.0	8.00	657	0.0
57	Avyukt Agarwal	0	IND	+?B	−3N	=38B	+78N	−?B	+?N	=54B	−?N	4.0	18.5	18.5	7.50	753	0.0
58	FIDE 537007378	0	—	−31B	+?N	+?N	+?B	+?N	−9B	−32N	−?B	4.0	16.0	16.0	0.00	657	0.0
59	Arinjoy Patra	0	IND	−?N	+?B	−19N	+66B	+?N	+?B	−13N	−?B	4.0	15.0	15.0	3.50	601	0.0
60	FIDE 547055588	0	—	+?B	−29B	−?N	+?N	−?B	−65N	+81B	+75N	4.0	14.5	14.5	6.00	760	0.0
61	FIDE 547054026	0	—	−42N	−71B	+?N	−64B	+?N	−79B	+?N	+?B	4.0	14.0	14.0	0.00	625	0.0
62	FIDE 531018831	0	—	−?N	+?B	+?N	−16B	−?B	−?N	+?B	+?N	4.0	5.5	5.5	0.00	608	0.0
63	FIDE 547054220	0	—	+?B	−28N	−?B	−?N	−?B	+?N	+?B	+?N	4.0	5.0	5.0	0.00	685	0.0
64	FIDE 88100367	0	—	+?B	−31N	−72B	+61N	−21B	+?N	=?B	−43N	3.5	22.0	22.0	4.00	608	0.0
65	FIDE 547053909	0	—	−32N	F	−39B	+?B	−30N	+60B	=?N	+?B	3.5	19.0	19.0	4.00	641	0.0
66	FIDE 531086306	0	—	+?B	−30B	−?N	−59N	+90B	+?N	=87B	−48N	3.5	18.0	18.0	3.25	641	0.0
67	FIDE 547053690	0	—	+?N	−9B	+?N	−13B	=?B	+48N	−?B	−?N	3.5	16.5	16.5	4.50	657	0.0
68	Evan Dutta	0	IND	−15N	−?B	+?N	−?B	−?N	+76B	=?B	+88N	3.5	11.0	11.0	5.50	681	0.0
69	FIDE 537092952	0	—	+?N	+?B	−4N	F	−46B	+?N	−?B	=?B	3.5	11.0	11.0	0.00	684	0.0
70	FIDE 547053887	0	—	−30N	+?B	−?N	+?B	=?N	+?B	−?N	−?B	3.5	5.0	5.0	0.00	641	0.0
71	Niloprobho Mitra	0	IND	−21B	+61N	+82B	−24N	−51B	−39N	F	+74B	3.0	30.0	30.0	10.00	608	-20.4
72	Archisman Bharati	0	IND	+?N	+23B	+64N	−4B	−44N	−?B	−?N	F	3.0	23.0	23.0	9.00	684	0.0
73	FIDE 531078257	0	—	+?N	−12B	−52N	+76B	=?N	−49B	=78N	−?B	3.0	20.5	20.5	4.50	749	0.0
74	FIDE 547054166	0	—	+?B	−?N	−10B	+?N	−56B	+81N	−53B	−71N	3.0	20.0	20.0	3.00	614	0.0
75	Rishaan Chatterjee	0	IND	+?N	−6B	=?N	+49B	=53N	−?B	−?N	−60B	3.0	19.0	19.0	6.50	618	0.0
76	FIDE 547055219	0	—	+?B	−21N	−36B	−73N	−?B	−68N	+96N	+92B	3.0	19.0	19.0	2.00	608	0.0
77	FIDE 547053941	0	—	−3B	+?N	F	+?B	−16N	−30B	+?N	−?B	3.0	17.0	17.0	0.00	667	0.0
78	FIDE 537007238	0	—	=?B	+?N	−22B	−57B	−?N	+93N	=73B	−?N	3.0	14.5	14.5	3.50	700	0.0
79	FIDE 547053836	0	—	−6N	−?B	+?B	−?N	+?B	+61N	−?B	F	3.0	13.5	13.5	4.00	618	0.0
80	Manomay Mondal	0	IND	−22B	+?N	−17B	+?N	−?B	−87N	+?B	−?N	3.0	13.5	13.5	0.00	700	0.0
81	FIDE 547053704	0	—	−16N	+?N	−?B	+?B	−?N	−74B	−60N	+?B	3.0	12.5	12.5	0.00	608	0.0
82	FIDE 547053801	0	—	−?N	+?B	−71N	+?B	+?N	−42B	−52N	−?B	3.0	11.5	11.5	0.00	625	0.0
83	FIDE 547054050	0	—	−27B	−?N	+?B	−51N	−?N	+?B	F	+?N	3.0	9.0	9.0	0.00	673	0.0
84	FIDE 547004894	0	—	−1B	−?N	+?B	−?N	+?N	+?B	−?N	−?B	3.0	8.0	8.0	0.00	758	0.0
85	FIDE 537007319	0	—	−12N	−?B	+?N	+?B	−?N	=?B	F	=?B	3.0	6.0	6.0	0.00	749	0.0
86	FIDE 547055200	0	—	−28B	−?N	−?B	+?N	+?B	−?N	+?B	−?N	3.0	5.0	5.0	0.00	685	0.0
87	Aditya Yadav	0	IND	F	=49B	=?N	−19B	−52N	+80B	=66N	−50B	2.5	25.0	25.0	7.00	601	0.0
88	FIDE 547054042	0	—	+?N	−15B	+?N	−34B	−?N	−?B	=?N	−68B	2.5	14.0	14.0	0.00	681	0.0
89	FIDE 547053852	0	—	−5B	−51N	+?B	−?N	−?N	=?B	F	+?N	2.5	10.5	10.5	0.00	706	0.0
90	FIDE 547054131	0	—	−49N	−19B	+?N	−?B	−66N	−?B	+?N	−?B	2.0	13.5	13.5	0.00	601	0.0
91	FIDE 547053720	0	—	+?B	=22N	−54B	−?N	−?B	=?N	F	F	2.0	9.5	9.5	2.75	1500	0.0
92	FIDE 429010420	0	—	−2B	−?N	+?B	−?N	+?B	−?N	−?B	−76N	2.0	9.5	9.5	0.00	871	0.0
93	FIDE 547055502	0	—	−9N	+?B	F	F	=?N	−78B	−?N	=?B	2.0	9.0	9.0	0.00	657	0.0
94	Shreetanu Paul	0	IND	+?N	+?B	−11N	−?B	F	F	F	F	2.0	6.0	6.0	0.00	690	0.0
95	Madhav Mundhara	0	IND	−18B	+?N	−32N	−?B	F	F	F	F	1.0	10.5	10.5	0.00	646	0.0
96	FIDE 547054069	0	—	−29N	−?B	−?N	−?B	F	−?N	−76B	−?N	0.0	8.0	8.0	0.00	760	0.0
97	FIDE 547053739	0	—	−11N	−?B	−?N	F	−?B	F	F	F	0.0	6.0	6.0	0.00	690	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Aayan GuptaIND
+104.0
8.0 pts · #1
2Riddhiman DattaIND
+39.6
6.5 pts · #7
3Adhrit MeddaIND
+13.6
6.5 pts · #13

Top rating losers

1Anish SarkarIND
-31.6
5.0 pts · #4
2Ahilaan BaishyaIND
-30.8
6.0 pts · #36
3Ishaan RaychaudhuriIND
-23.6
6.0 pts · #63

Biggest upsets

R8+143 Elo gap
Riddhiman Datta1418 beat Anish Sarkar1561
R6+113 Elo gap
Aayan Gupta1544 beat Aniket Das1657