CChessStats

WB State Under 15 (Open) Chess Championship 2025

Open SwissStandard

174 players participated in this 8-round tournament, held from 26 Jun 2025 to 29 Jun 2025 in Jalpaiguri, India. Top 10 Elo average was 1845, and top seed was Parambrata Sarkar (🇮🇳 IND, 2128).

Ankit Das (🇮🇳 IND, 1881) won with 7.0/8, ahead of Ryan Gelek (6.5) and Venkatesh Das (6.5). Das clinched sole first place in the final round.

The biggest upset came in round 7: Shirshadeep Barman (1556) beat Parambrata Sarkar (2128), a +572-point gap.

Location
🇮🇳Jalpaiguri, India
Dates
26 Jun 2025 → 29 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Top seed
🇮🇳Parambrata Sarkar2128
Avg top 10
1,845
Participants
174
Federations · 1 represented
🇮🇳India×126
Top 3

How it unfolded

Top 6 · 8 rounds

Ankit Das led from R8; +0.5-point edge over the runner-up. Title race converged from 5 co-leaders at R4 to 1 by R8.

Co-leaders
86
36
15
5
1
2
1
1
2468R1R2R3R4R5R6R7R8Das takes leadDas takes lead
Das7Dey6.5Gelek6.5Das6.5Barman6.5Kayet6— ex-leaders:Sarkerled R5, #29
R7 · LEADER CHANGE29 Jun

Venkatesh Das takes the sole lead (6.5/7).

WIN STREAKS · 3 top finishers

Ankit Das 4+3 wins (R1–R4, R6–R8)Arohan Dey 4 wins (R1–R4)Ryan Gelek 4 wins (R1–R4)

R5 · FORMER LEADER FALL

Rudra Sarker held the sole lead at R5 but finished #29.

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Ankit Das*
1
2Arohan Dey*
3Ryan Gelek*
0
4Venkatesh Das
0
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8PtsBu C1BuSBPerfΔ
1Ankit Das1881IND+95N+23B+22N+32B30N+11B+13N+3B7.039.543.538.501898+10.8
2Ryan Gelek1796IND+155N+39B+81N+5B=7N+6B3B+21N6.539.541.532.001924+48.0
3Venkatesh Das1979IND+58B+83N+54B=8N+33B+30B+2N1N6.538.542.532.501895-16.8
4Arohan Dey1687IND+114B+94N+48B+41N=20B=7B+30N=5B6.537.040.531.501913+74.8
5Shirshadeep Barman1556IND+159B+98N+44B2N+35B+48N+41B=4N6.537.039.029.251833+81.6
6Aditya Kayet1847IND+164B+25N+24B=33N+15B2N+10B=9N6.040.542.530.501726-28.8
7Ranit Maity1886IND+162B+40N+36B+9N=2B=4N=21B=12N6.040.542.530.251780-26.8
8Souparno Bhattacharyya1648IND+52B+65N+18B=3B=14N=54N+36B=20N6.038.543.031.751782+50.4
9Khushal Bagri1635IND+139N+19B+13N7B=56N+59B+54N=6B6.037.540.529.251750+42.8
10Vedanth Agarwal1493IND+138N+89B=14N=11B+32N+55B6N+33B6.036.539.527.501751+79.2
11Alapan Guin1503IND+122B+31N=61B=10N+62B1N+98B+40N6.036.039.527.251652+36.4
12Kirit Bikram Chanda1608IND+105N+64B30N+49B=59N+38B+24N=7B6.035.539.028.751676+24.0
13Udayan Sarma1502IND+124B+151N9B+112N+37B+20N1B+42N6.035.538.025.001736+58.8
14Shrihaan Barman1616IND+157B+63N=10B+106N=8B=24N=40B+35N6.035.537.526.251622-1.2
15Roychoudhury, Satwik1564IND=46N+84B+68N+57B6N+39B=16N+80B6.035.039.027.501723+44.0
16Amiyanshu Bhowal1729IND31B+122N+85B=65N+63B+50N=15B+48N6.034.037.527.251731+1.2
17Naiyayike Biswas1548IND+129N+97B=56N=34B43N+51B+47N+31B6.033.536.526.751455-20.0
18Ranajay Bhusan Basu1500IND+145N+135B8N=104B=80N+127B+74N+32B6.029.032.022.251568+8.0
19Agniva Sengupta1439IND+161B9N+154B54N+146B+99N+81N+55B6.028.030.019.501553+24.0
20Arhan Chatterjee1752IND+110N+43B+71N=55B=4N13B+56N=8B5.537.040.526.001647-32.4
21Granthik Mallick1624IND+108N=80B+38N+27B=55N+43B=7N2B5.536.540.026.251684+22.8
22Aratrik Majumder1524IND+167B+86N1B+44N=25B31N+57B+65N5.535.537.522.751665+34.8
23Debagnik Modak1461IND+99B1N+136B=31N+72B26N+58B+70N5.535.038.023.001514+4.0
24Akash Neel Mitra1506IND+130N+172B6N+64B+34N=14B12B+60N5.535.036.521.501588+31.2
25Rajorshi Pramanik1458IND+100N6B+168N+77B=22N=45B=55N+54B5.534.036.022.501596+36.4
26Aryarav Das1589IND+92N=68B=80N+88B=39N+23B=31N=27B5.533.537.525.501608+5.2
27Adreesh Dey1498IND+169B=85N+78B21N=58B+86N+62B=26N5.532.534.522.001544+6.8
28Shreyansu Bose1503IND+171N=34B+60N=128B41B=29N+75B+106N5.531.032.520.751578+6.4
29Abhinav Jha0IND+72N55B+107N+71B82N=28B+?N+59B5.531.031.019.7515360.0
30Rudra Sarker1499IND+119B+102N+12B+61N+1B3N4B37N5.039.543.025.001722+62.4
31Antarip Ghosh0IND+16N11B+89N=23B+?N+22B=26B17N5.038.538.521.0015690.0
32Somarjya Sarkar1632IND+132B+88N+35B1N10B+44N+83B18N5.037.040.021.001579-18.4
33Nishan Mondal1611IND+152B+90N+69B=6B3N=56B+53N10N5.036.539.021.251642+10.4
34Sharangsh Ghosh0IND+62B=28N+73B=17N24B42N+92B+88N5.035.039.022.751524+32.4
35Ayush Deb Roy1497IND+121N+123B32N+51B5N+95B+82N14B5.034.037.520.001408-18.0
36Anurag Bhadra1523IND+126N+127B7N=80B+57N+60B8N=38B5.033.536.520.001493-10.8
37Dipro Mandal1613INDF=57B+47N=56B13N+104B+43N+30B5.033.533.523.001589-4.4
38Arya Sengupta1464IND=134B+91N21B+66N+78B12N+112B=36N5.033.036.020.501311-20.4
39Md Imtiaz Omar Iqbal1460IND+166B2N+101B+114N=26B15N=66B+133N5.033.035.017.501371-13.2
40Ahilaan Baishya1460IND+173N7B+130N+137B=45N+87B=14N11B5.033.034.517.001552+19.2
41Parambrata Sarkar2128IND+174N+59B+45N4B+28N+81B5NF5.033.033.020.001853-60.8
42Debjyoti Sarkar1454IND+113N=128B=67N+74B81N+34B+45N13B5.032.535.521.751555+30.4
43Rituraj Paul1458IND+117B20N+133B+102N+17B21N37B+130N5.032.535.519.501438-4.8
44Prithish Bauri1412IND+107N+87B5N22B+130N32B+84N+82B5.032.535.518.501506+25.2
45Abhirup Sarkar1541IND+143N+104B41B+90N=40B=25N42B+86N5.032.035.019.751471-24.4
46Debangshu Paul0IND=15B70N+91B+76N83B=69N+85B+94N5.031.535.521.7515060.0
47Dibit Roy1443IND=91B+134N37B+119N=61B+92N17B+93N5.031.034.018.751326-15.6
48Soumik Deb1501IND+170N+141B4N+158B+128N5B+90N16B5.031.033.014.001558+12.4
49Adrij Karmakar1448IND78B+124N+111B12N+154B=58N+114B=67N5.030.032.017.0013990.0
50Adrit Das1520IND=111B=66N+105B=98N+106B16B=64N+137N5.029.532.518.251377-15.2
51Abir Sinha0IND+?B54N+109B35N+117B17N+134B+83N5.029.529.514.0013160.0
52Arka Banik0IND8N+147B=82N?B=84N+124B+100N+81B5.028.528.518.5014710.0
53Sayak Chakraborty1452IND+153B61N+151B+140N54B+131N33B+99N5.026.529.015.00792-38.0
54Dhritiman Majumdar1526IND+160N+51B3N+19B+53N=8B9B25N4.540.042.021.001533-4.0
55Harshit Saha1545IND+133B+29N+140B=20N=21B10N=25B19N4.537.040.019.751402-38.8
56Abhiraj Saha1478IND+149B+93N=17B=37N=9B=33N20B=66N4.536.039.020.251556+19.2
57Swarnabha Maity1415IND+125B=37N+76B15N36B+78N22N+103B4.534.538.019.0014050.0
58Ahan Mandal0IND3N+173B=72N+115B=27N=49B23N+107B4.534.035.516.0014030.0
59Sayandip Kar1469IND+109B41N+92B+131N=12B9N+104B29N4.533.536.517.001432-6.8
60Suvom Maji0IND+77B=76N28B+85N+73B36N+?N24B4.533.533.515.2514500.0
61Subarna Kundu1655IND+118N+53B=11N30B=47N=64BF+114N4.533.036.519.751463-47.6
62Debanjan Banerjee1420IND34N+170B+113N+67B11N+89B27N=74B4.533.035.016.251312-20.8
63Suvam Ghosh1433IND+79N14B+100N=87B16N113B+89N+120B4.532.035.518.001375-7.6
64Mitrasish Deb1412IND+142B12N+171B24N+109B=61N=50B=69N4.532.033.515.001392-6.0
65Prayas Debnath1446IND+120N8B+138N=16B87N+171B+107N22B4.531.533.014.501299-25.2
66Ayushman Ghosh0IND=82N=50B=?N38B+115N+72B=39N=56B4.531.531.517.2514420.0
67Arkadipta Sarkar1575IND+101B=106N=42B62N+93B98N+154N=49B4.530.032.016.751313-42.0
68Kriday Narayan Roy1410IND+?B=26N15B78N+145B=93N=119B+109N4.530.030.013.001377-18.8
69Aryan Dey1474IND+150N+74B33N=86B104N=46B+146N=64B4.529.532.517.251315-16.4
70Soujatya Rudra1467IND=96N+46B128N+84B=86N=137B+113N23B4.529.032.018.00814-26.4
71Aritra Dey1504IND+154N+137B20B29N+111B=75NF+105N4.529.031.014.25950-7.6
72Suvayu Chakraborty0IND29B+159N=58B+118B23N66N+?B+112N4.529.029.011.256620.0
73Swarnadip Bhattacharyya1499IND=84N+96B34N+143B60N74B+171N+110B4.528.530.014.00642-23.2
74Wrishiraj Sarkar0IND+?B69N+?B42N+101B+73N18B=62N4.528.528.510.7513240.0
75FIDE 5470828100135N+121B+163N81B+124N=71B28N+113B4.527.529.514.7512310.0
76Ritobhas Bhattacharya1579IND+165N=60B57N46B+144B=119N=111B+108N4.527.529.514.25603-29.2
77Somrik Mondal0IND60N+129B+172N25N+108B80B=110N+127B4.527.028.512.756370.0
78Rupayan Rakshit0IND+49N=?B27N+68B38N57B+151N+?B4.527.027.012.0013120.0
79Sanway Kundu0IND63B+132N90B=105N+151B106N+116B+104N4.525.528.014.256240.0
80Priyan Saha1431IND+156B=21N=26B=36N=18B+77NF15N4.037.039.017.501488+14.4
81Sourjya Das1505IND+168B+131N2B+75N+42B41N19B52N4.035.037.014.501455-16.0
82Advik Biswakarma1594IND=66B=111N=52B+165N+29B=83N35B44N4.032.534.516.001181-61.2
83Mohit Mondal1462IND+103N3B+160N=127B+46N=82B32N51B4.032.534.514.501421-7.6
84Mayuravo Sarkar0IND=73B15N+?B70N=52B+132N44B+131N4.031.031.010.7511580.0
85Soumyajit Karmakar0IND+?N=27B16N60B+143N=97B46N+129B4.031.031.010.7514220.0
86Addhyayan Pradhan Saha0IND+?N22B+135N=69N=70B27B+138N45B4.031.031.010.5012620.0
87Ayush Bhadra1588IND+136B44N+108B=63N+65B40N=88BF4.030.533.515.251365-60.4
88Sarthak Roy1441IND+147N32B+103N26N=171B+96B=87N34B4.030.532.013.751241-34.0
89Swapnaneel Choudhury0IND+112B10N31B+122N+136B62N63B+146N4.030.033.013.006480.0
90Nilay Dey1414IND+163N33B+79N45B+129NF48B+91N4.029.531.513.50749-38.4
91FIDE 5470896600=47N38B46N+155B=110N+118B+127N90B4.029.031.012.7511670.0
92FIDE 537017241026B+142N59N+156B+141N47B34N+138B4.029.031.011.006860.0
93Utkarsho Chanda0IND+?N56B=118N+97B67N=68B+129N47B4.029.029.011.006970.0
94Ushnish Roy1450IND+115N4B=145N+96B=127N=107B=137N46B4.028.531.513.75888-10.4
95Ambudhi Ghosh0IND1B109N+161B+169N+102B35N99B+134N4.028.530.511.008900.0
96Pinaki Roy0IND=70B73N+116B94N+105B88N+143N=97B4.028.031.014.2511550.0
97Abhinav Dey0IND+?B17N=119B93N+148B=85N=109B=96N4.028.028.010.507480.0
98Aaryan Paul0IND+?N5B+156N=50B=?N+67B11NF4.028.028.09.0014570.0
99FIDE 547089776023N+155B127N+160B+158N19B+95N53B4.027.529.510.006520.0
100Rachit Agarwal0IND25B+162N63B108N+?B+101N52B+136N4.027.527.59.006390.0
101FIDE 429049164067N+?B39N+142B74N100B+163N+141B4.026.026.08.007170.0
102FIDE 5470896360+?N30B+110N43B95N129B+165N+154B4.024.524.57.506790.0
103Prantik Mandal0IND83B+?N88B132N+162B+136N+131B57N4.023.523.58.006350.0
104Abhiraj Paul0IND+?B45N+149B=18N+69B37N59N79B3.532.532.510.5013720.0
105Ayushman Barman0IND12B+125N50N=79B96N+156B+115N71B3.531.033.011.257450.0
106Bhowmick, Rishaan0IND+?N=67B+?N14B50N+79BF28B3.530.030.06.7513950.0
107Shrinjan Kar0IND44B+152N29B+133N+132B=94N65B58N3.529.532.010.5011780.0
108FIDE 547089873021B+161N87N+100B77N+121B=120N76B3.529.531.511.257970.0
109Novonil Ghosh0IND59N+95B51N+139B64N+158B=97N68B3.529.531.511.006410.0
110FIDE 547089598020B+166N102B=149N=91B+117N=77B73N3.529.031.011.258250.0
111Hardik Majumdar0IND=50N=82B49N+135B71N+140B=76N?B3.529.029.012.7513280.0
112FIDE 537017217089N+150B+141N13B+121N=?B38N72B3.529.029.09.5012130.0
113Riddhiman Das0IND42B+164N62B+157N=114B+63N70B75N3.528.530.510.2512500.0
114FIDE 54705374704N+120B+?N39B=113N+?B49N61B3.528.028.05.257600.0
115FIDE 547089628094B=116N+148B58N66B+157N105B+?N3.525.025.06.757010.0
116FIDE 5370181910128N=115B96N=125B=156N+145B79N+135B3.524.526.510.509650.0
117FIDE 537017292043N118B+174N+168B51N110B=139N+152B3.524.525.57.006580.0
118Aritra Paul0IND61B+117N=93B72N=?B91N+147B=?N3.523.523.58.508470.0
119Mayukh Das0IND30N+?B=97N47B+?N=76B=68NF3.523.023.06.5012340.0
120Samadrita Mitra0IND65B114N132B+?N+164B+159N=108B63N3.523.023.05.756420.0
121Meghan Choudhuri0IND35B75N+?B+162N112B108N+144B=172N3.523.023.05.756980.0
122FIDE 547076224011N16B+?N89B+?N123B+140N=?B3.522.522.53.008150.0
123Supratik Dey0IND+?B35N131B154N+167B+122NF=126B3.522.022.07.256980.0
124FIDE 429058228013N49B+?B+?N75B52N=?B+?N3.520.520.50.006720.0
125Shivabrata Mandal0IND57N105B=155N=116N=157B=160B=152N+171B3.520.021.57.506030.0
126FIDE 547089695036B?N144B+?N=161B+?N=?B=123N3.513.513.52.757150.0
127Adwitayan Mandal0IND+144B36N+99B=83N=94B18N91B77N3.031.534.511.0013070.0
128Sourasis Saha1766IND+116B=42N+70B=28N48BFFF3.030.530.513.251481-54.0
129FIDE 537017322017B77N+?B+134N90B+102N93B85N3.029.529.57.006820.0
130Ivan Basak0IND24B+144N40B+166N44B+?NF43B3.028.528.55.006430.0
131FIDE 5370172090+?N81B+123N59B+138N53B103N84B3.028.028.06.506770.0
132Aryan Sarkar0IND32N79B+120N+103B107N84B+150N148B3.027.530.510.508310.0
133Debojeet Das0IND55N+?B43N107B+135N+141BF39B3.027.527.56.006870.0
134Pranajit Debnath0IND=38N47B=139N129B+160N+172B51N95B3.027.028.57.5012600.0
135FIDE 5470896440+75B18N86B111N133B+167N+168B116N3.026.528.58.507200.0
136Bandhu Subham Chakrabarty0IND87N+?B23N+163B89N103B+142N100B3.026.526.55.007250.0
137Anupreet Roy0INDF71N+?B40N+140B=70N=94B50B3.026.026.07.2512500.0
138Neev Agarwala0IND10B+?N65B+164N131B+152N86B92N3.026.026.04.506730.0
139FIDE 54708974109B=153N=134B109N=166B=148N=117B=149N3.024.526.58.508350.0
140Srijan Sen0IND+158N+?B55N53B137N111N122B+165B3.023.523.54.0013710.0
141Souhardya Das0IND+?B48N112B+167N92B133N+159B101N3.023.523.54.007010.0
142FIDE 547089806064N92B+152B101N159B+164N136B+169N3.022.024.06.506120.0
143Devrup Ghosh0IND45B=?N+?B73N85B+153N96B=156N3.022.022.03.507210.0
144FIDE 334878200127N130B+126N+170B76N154B121N+167B3.021.523.57.507790.0
145Mandal, Debanshu0IND18B+?N=94B?B68N116N+?B=?N3.018.018.02.0012300.0
146FIDE 5470895710?N+?B158N+172B19N+?N69B89B3.018.018.01.506690.0
147FIDE 547089946088B52N157B?N+?N+?B118N+155B3.016.516.52.006410.0
148Nabendu Roy0IND?N=?B115N+?B97N=139BF+132N3.015.515.54.506880.0
149FIDE 537017284056N+174B104N=110B+?N?B?N=139B3.015.515.54.256820.0
150FIDE 537017225069B112N162B?N+?B+?N132B+159N3.015.015.02.006740.0
151FIDE 5470897920F13B53N=?B79N+161N78B+153N2.524.524.54.506790.0
152FIDE 547089709033N107B142N+?B+163N138B=125B117N2.523.523.53.758040.0
153FIDE 547089989053N=139B165N?N+155B143B+160N151B2.519.519.55.506560.0
154FIDE 537007378071BF19N+123B49N+144N67B102N2.030.530.56.506890.0
155FIDE 54709032402B99N=125B91N153N+174B=161B147N2.025.526.53.759930.0
156FIDE 547089725080NF98B92N=116B105N+157B=143B2.024.024.05.256300.0
157Atharvan Mishra0IND14N163B+147N113B=125N115B156N=160B2.023.525.55.758270.0
158FIDE 5470898300140B+169N+146B48N99B109NFF2.023.523.55.007010.0
159FIDE 54708971705N72B?N+?B+142N120B141N150B2.023.523.53.007560.0
160FIDE 537017195054B+?N83B99N134B=125N153B=157N2.023.523.52.756940.0
161FIDE 547090367019N108B95N+174B=126N151B=155N?B2.022.522.53.756390.0
162FIDE 53702285707N100B+150N121B103N163B?N+?B2.022.522.53.0010870.0
163FIDE 547089865090B+157N75B136N152B+162N101B?N2.022.022.04.006150.0
164FIDE 54709106106N113B+173N138B120N142B?N+174N2.021.521.52.5010460.0
165FIDE 547089687076B=?N+153B82B?N=166N102B140N2.020.020.03.507840.0
166FIDE 547089750039N110B+?N130B=139N=165BFF2.018.018.02.506610.0
167FIDE 537017330022N?B+?N141B123N135B+?B144N2.018.018.00.007240.0
168FIDE 547090359081NF25B117N?B+?B135N+?B2.016.016.00.006760.0
169FIDE 547089938027N158B+?N95B172N+?B?N142B2.016.016.00.007010.0
170FIDE 531044042048B62N+?B144N?B=?N?B=?N2.012.512.50.006590.0
171Krishnendu Chatterjee0IND28BF64N+?B=88N65N73B125N1.526.526.52.0010950.0
172FIDE 5470895630F24N77B146N+169B134NF=121B1.523.523.53.756530.0
173FIDE 547089881040B58N164B?B?N?N=?B+?B1.511.511.50.006590.0
174FIDE 547089970041B149N117B161N?B155N+?N164B1.017.517.50.0013280.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets