2025 North American Youth Chess Ch. - Open U10

Open SwissStandard

72 players participated in this 9-round tournament, held from 18 Aug 2025 to 23 Aug 2025 in Kingston, ON, Canada. 5 titled players from 2 federations. Top 10 Elo average was 1865, and top seed was Venkat Karthikeya Reddy Kola (🇨🇦 CAN, CM, 1933).

Stella Xin (🇺🇸 USA, CM, 1879) won with 7.5/9, ahead of Lukas W LeBakken (7.5) and Venkat Karthikeya Reddy Kola (7.0). Xin won on tie-break after catching the field in the final round.

The biggest upset came in round 2: Jesper Liu (1462) beat Samanyu Alluri (1790), a +328-point gap.

Location

🇨🇦Kingston, ON, Canada

Dates

18 Aug 2025 → 23 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇨🇦CMVenkat Karthikeya Reddy Kola1933

Avg top 10

1,865

Participants

Titled players · 5

CM×5

Federations · 2 represented

🇨🇦Canada×39

🇺🇸United States of America×23

Top 3

🥇
CMStella Xin
🇺🇸USA·1879
7.5pts·2070perf+75.6
🥈
CMLukas W LeBakken
🇺🇸USA·1868
7.5pts·2020perf+54.8
🥉
CMVenkat Karthikeya Reddy Kola
🇨🇦CAN·1933
7.0pts·1952perf+11.6

How it unfolded

Top 6 · 9 rounds

Tight race until R4; 2 players tied at 7.5/9, decided on Buchholz.

Co-leaders

Xin7.5LeBakken7.5Pramanik7Kola7Su6.5Sha6.5

R4–R9 · LEAD HELD

CM Stella Xin held the sole lead from R4 through R9 without losing it.

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Xin takes the title on Buchholz Cut1 (51.5).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

CM Stella Xin beat CM Lukas W LeBakken (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMStella Xin	*	1	1	0
2CMLukas W LeBakken	0	*	—	1
3Aayansh Pramanik	0	—	*	½
4CMVenkat Karthikeya Reddy Kola	1	0	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Xin, StellaCM	1879	USA	+70N	+43B	+8N	+5B	+6N	+2B	=7N	−3B	+4B	7.5	51.5	53.5	43.25	2070	+75.6
2	LeBakken, Lukas WCM	1868	USA	+48N	+20B	=25N	+12B	+11N	−1N	+16B	+7B	+3N	7.5	49.0	53.0	43.00	2020	+54.8
3	Kola, Venkat Karthikeya ReddyCM	1933	CAN	+30B	+24N	=4B	=23N	+14B	+8N	+10B	+1N	−2B	7.0	50.0	55.0	41.50	1952	+11.6
4	Aayansh Pramanik	1821	USA	+53N	+60B	=3N	=10B	+41N	+13B	+5N	+6B	−1N	7.0	47.0	50.0	36.00	1945	+54.8
5	Sha, YiCM	1867	USA	+71B	+41N	+13B	−1N	+33B	+9N	−4B	+10N	=12B	6.5	47.0	48.0	30.50	1896	+12.8
6	Su, Milo	1869	USA	+63B	+32N	+17B	=11N	−1B	+25N	+14B	−4N	+13B	6.5	46.5	49.5	32.00	1908	+14.0
7	Prianichnikov, Maikl	1843	CAN	+58B	=23N	+19B	=22N	+32B	+24N	=1B	−2N	+16B	6.5	45.5	48.5	32.25	1790	-9.2
8	Samanta, Aayansh	1807	USA	+65B	+54N	−1B	+34N	+23B	−3B	+24N	=13B	+15N	6.5	43.5	46.5	29.25	1781	-1.2
9	Alluri, Samanyu	1790	USA	+64B	−34N	+58B	+30N	+22B	−5B	+41N	=12B	+18N	6.5	39.5	42.5	28.50	1611	-36.4
10	Sekaran, Adithya	1707	CAN	=22B	+31N	+56B	=4N	+17B	+11B	−3N	−5B	+26N	6.0	47.0	50.5	31.00	1908	+66.8
11	Goel, Raben	1850	USA	+57N	+15B	+46N	=6B	−2B	−10N	=19B	+34N	+22B	6.0	44.5	48.0	28.50	1638	-54.8
12	Kozlek, Tommy	1857	USA	+72B	+27N	+34B	−2N	−24B	+23N	+32B	=9N	=5N	6.0	44.5	44.5	25.50	1758	-31.2
13	Ye, Brian	1709	USA	+21N	+45B	−5N	+15B	+26B	−4N	+22B	=8N	−6N	5.5	47.5	51.5	28.25	1727	+4.4
14	Dokka, Tanush	1794	USA	=16N	+47B	+44N	+25B	−3N	+18B	−6N	−15B	+31B	5.5	44.0	48.0	26.25	1655	-33.4
15	Shroff, Dhairya Amit	1476	CAN	+18B	−11N	+68B	−13N	+50B	=17N	+33B	+14N	−8B	5.5	43.0	45.5	24.75	1711	+53.2
16	He, Daniel	0	CAN	=14B	+36N	−23B	+56N	+19B	+26N	−2N	+?B	−7N	5.5	43.0	43.0	21.25	1708	0.0
17	Liang, Maximus	1774	CAN	+49N	+42B	−6N	+20B	−10N	=15B	=21N	+51B	=19N	5.5	42.5	46.5	25.75	1525	-62.0
18	Yu, Benjamin	0	USA	−15N	+53B	=29N	+44B	+36B	−14N	+25B	+28N	−9B	5.5	41.0	45.0	25.00	1673	0.0
19	Yang, Andrew	1446	CAN	+62N	=35B	−7N	+47B	−16N	+46B	=11N	+44B	=17B	5.5	40.0	43.0	23.00	1779	+75.2
20	Madhu Vikram, Chaarvik	1492	CAN	+39B	−2N	+55B	−17N	+68B	=33N	−28B	+47N	+32B	5.5	39.0	41.5	21.25	1578	+17.2
21	Kao, Chen-Hsiang	0	CAN	−13B	−28N	+63B	=?B	+35N	+36N	=17B	=32N	+33B	5.5	37.0	37.0	21.50	1698	0.0
22	Kwan, Wesley	0	USA	=10N	+29B	+35N	=7B	−9N	+27B	−13N	+24B	−11N	5.0	45.5	50.0	25.75	1725	0.0
23	Jia, Jasper Yunjie	1498	CAN	+40N	=7B	+16N	=3B	−8N	−12B	−51N	+49B	+45N	5.0	44.0	48.0	24.75	1658	+22.8
24	Waters, Kai	1667	USA	+59N	−3B	+45N	+46B	+12N	−7B	−8B	−22N	+37B	5.0	43.5	46.5	21.50	1667	0.0
25	Ling, Aiden	1675	CAN	+55B	+68N	=2B	−14N	+37B	−6B	−18N	=30N	+42B	5.0	42.0	44.5	20.75	1568	-14.0
26	Xiang, GraysonCM	1863	USA	−42N	+61B	+48N	+27B	−13N	−16B	+50N	+29B	−10B	5.0	39.0	42.0	21.00	1613	-47.6
27	Ma, Lewis	1519	USA	+51N	−12B	+40N	−26N	+61B	−22N	=37B	+38B	=28N	5.0	38.5	41.5	20.75	1529	-0.8
28	Chan, Theo	1685	CAN	−45N	+21B	−42N	=38B	+47N	+49B	+20N	−18B	=27B	5.0	38.0	42.0	23.75	1699	+1.2
29	Nguyen, Kaiser	1517	CAN	=31B	−22N	=18B	+45N	=55B	+52N	=39B	−26N	+50N	5.0	37.0	40.5	21.25	1063	-4.4
30	Adaikappan, Aadhi Veerapandian	0	USA	−3N	+59B	+62N	−9B	=46N	+38B	−?N	=25B	+44N	5.0	37.0	37.0	19.00	1586	0.0
31	Wu, Hao En Colin	0	CAN	=29N	−10B	−?N	+67B	=44N	+45B	+42N	+41B	−14N	5.0	35.0	35.0	19.00	1524	0.0
32	Zhu, Aiden	1616	CAN	+50N	−6B	+38N	+51B	−7N	+34B	−12N	=21B	−20N	4.5	43.0	47.0	19.75	1463	-43.2
33	Sengupta, Nevan	1677	USA	+38N	−46B	+49N	+42B	−5N	=20B	−15N	+43B	−21N	4.5	39.5	43.5	19.25	1511	-36.4
34	Liu, Jesper	1462	USA	+67N	+9B	−12N	−8B	+59N	−32N	+68B	−11B	=35N	4.5	39.5	42.0	16.75	1588	+26.4
35	Zhang, Finley	1749	CAN	+61B	=19N	−22B	−37N	−21B	+56N	+55B	=39N	=34B	4.5	36.5	39.5	17.25	1454	-28.0
36	Sreenivasan, Ajay Beuria	1604	USA	=47N	−16B	+67N	+43B	−18N	−21B	−38N	+69B	+51N	4.5	35.5	38.0	15.00	2349	+17.2
37	Lesperance, Milan	0	CAN	−44N	+?B	=43N	+35B	−25N	=42B	=27N	+46B	−24N	4.5	35.5	35.5	15.00	1583	0.0
38	Li, Dennis	0	CAN	−33B	+?N	−32B	=28N	+54B	−30N	+36B	−27N	+58B	4.5	35.0	35.0	13.50	1605	0.0
39	Xu, Max	0	USA	−20N	+57B	+60N	−41B	=49N	+43B	=29N	=35B	−?N	4.5	33.5	33.5	17.25	1515	0.0
40	Wu, Jingchen	0	CAN	−23B	+72N	−27B	−58N	=48N	+57B	−43N	+61B	+54N	4.5	31.0	31.0	12.00	1322	0.0
41	Margalit, Ryder Sebastian	1604	USA	F	−5B	+50N	+39N	−4B	+58N	−9B	−31N	+53B	4.0	40.5	40.5	15.50	1026	-26.4
42	Cao, Allen	0	CAN	+26B	−17N	+28B	−33N	=52B	=37N	−31B	+68N	−25N	4.0	38.5	41.0	16.75	1663	0.0
43	Chen, Neill	1548	CAN	+52B	−1N	=37B	−36N	+56B	−39N	+40B	−33N	=47B	4.0	38.0	41.5	16.25	919	-35.2
44	Chen, Darren	1683	CAN	+37B	=56N	−14B	−18N	=31B	+59N	+58B	−19N	−30B	4.0	37.5	40.5	14.75	819	-46.0
45	Lai, Oscar	0	CAN	+28B	−13N	−24B	−29B	+70N	−31N	+62B	+52N	−23B	4.0	37.5	39.5	14.00	1375	0.0
46	Nguyen, Dylan	0	CAN	+?B	+33N	−11B	−24N	=30B	−19N	+60B	−37N	=48N	4.0	37.5	37.5	12.00	1619	0.0
47	Wang, Benjamin	0	CAN	=36B	−14N	+65B	−19N	−28B	+63N	+48N	−20B	=43N	4.0	37.0	40.0	14.25	1321	0.0
48	FIDE 2679469	0	—	−2B	+52N	−26B	−50N	=40B	+66N	−47B	+67N	=46B	4.0	36.0	38.5	13.75	1066	0.0
49	Hu, Ethan	0	CAN	−17B	+66N	−33B	+69N	=39B	−28N	=52B	−23N	+64B	4.0	34.5	37.0	12.75	858	0.0
50	Rama Chandran, Ishaan	0	CAN	−32B	+63N	−41B	+48B	−15N	+60N	−26B	+58N	−29B	4.0	34.0	37.0	13.00	1319	0.0
51	Wong, Ethan	0	CAN	−27B	+71N	+54B	−32N	−58B	+61N	+23B	−17N	−36B	4.0	34.0	35.0	12.50	1462	0.0
52	Wang, Nathan	0	CAN	−43N	−48B	+57N	+53B	=42N	−29B	=49N	−45B	+65N	4.0	32.5	35.5	14.50	733	0.0
53	Gao, Joe	0	CAN	−4B	−18N	+66B	−52N	+62B	−68N	+59B	+64N	−41N	4.0	32.5	35.0	12.00	913	0.0
54	Zhou-Donohue, Theodore	1491	USA	+69N	−8B	−51N	−59B	−38N	=67N	+56B	+55N	−40B	3.5	32.0	34.5	10.75	1007	-5.6
55	Lupien, Maxime	0	CAN	−25N	+70B	−20N	+60B	=29N	−?B	−35N	−54B	+59N	3.5	31.5	31.5	10.50	1337	0.0
56	Moorthy, Kavin	0	CAN	+?N	=44B	−10N	−16B	−43N	−35B	−54N	+71B	+69N	3.5	31.0	31.0	5.50	1436	0.0
57	FIDE 2679493	0	—	−11B	−39N	−52B	+63N	=69B	−40N	−66B	+62N	+67B	3.5	30.5	33.0	9.75	1048	0.0
58	Gao, Evan	0	CAN	−7N	+69B	−9N	+40B	+51N	−41B	−44N	−50B	−38N	3.0	38.0	40.5	11.00	930	0.0
59	Mehta, Ayaan	0	CAN	−24B	−30N	+71B	+54N	−34B	−44B	−53N	+63N	−55B	3.0	32.5	33.5	7.50	1383	0.0
60	Gao, Ian	1453	CAN	+66B	−4N	−39B	−55N	+64N	−50B	−46N	−65B	+72N	3.0	32.0	32.0	6.00	1021	-4.0
61	Hur, Alex	0	CAN	−35N	−26N	+?B	+62B	−27N	−51B	=69N	−40N	=66B	3.0	31.5	31.5	5.75	1497	0.0
62	FIDE 2653761	0	—	−19B	+64N	−30B	−61N	−53N	+70B	−45N	−57B	+71N	3.0	30.0	31.0	6.00	645	0.0
63	FIDE 2679450	0	—	−6N	−50B	−21N	−57B	+72N	−47B	+71N	−59B	+70B	3.0	29.5	29.5	3.00	1062	0.0
64	Heck, Zach	0	CAN	−9N	−62B	−70N	+71N	−60B	+?N	+65B	−53B	−49N	3.0	26.5	26.5	4.00	1499	0.0
65	Harish, Arnav	0	CAN	−8N	=67B	−47N	+?B	−?N	=69B	−64N	+60N	−52B	3.0	25.5	25.5	5.50	1621	0.0
66	FIDE 2665174	0	—	−60N	−49B	−53N	+72N	=67B	−48B	+57N	−?B	=61N	3.0	24.0	24.0	6.25	741	0.0
67	Zhang, Ethan Yihan	0	CAN	−34B	=65N	−36B	−31N	=66N	=54B	+70N	−48B	−57N	2.5	31.0	33.0	6.75	1246	0.0
68	FIDE 39904652	0	—	F	−25B	−15N	+70B	−20N	+53B	−34N	−42B	=?N	2.5	30.5	30.5	6.00	1182	0.0
69	FIDE 2649101	0	—	−54B	−58N	+72B	−49B	=57N	=65N	=61B	−36N	−56B	2.5	28.0	28.0	4.75	747	0.0
70	FIDE 2665360	0	—	−1B	−55N	+64B	−68N	−45B	−62N	−67B	+72B	−63N	2.0	29.0	29.0	3.00	1080	0.0
71	FIDE 2679477	0	—	−5N	−51B	−59N	−64B	−?N	+72B	−63B	−56N	−62B	1.0	26.0	26.0	0.00	949	0.0
72	FIDE 2679485	0	—	−12N	−40B	−69N	−66B	−63B	−71N	−?B	−70N	−60B	0.0	25.0	25.0	0.00	846	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Xin, StellaCMUSA
+75.6
7.5 pts · #1
2Yang, AndrewCAN
+75.2
5.5 pts · #21
3Sekaran, AdithyaCAN
+66.8
6.0 pts · #14

Top rating losers

1Liang, MaximusCAN
-62.0
5.5 pts · #24
2Goel, RabenUSA
-54.8
6.0 pts · #18
3Xiang, GraysonCMUSA
-47.6
5.0 pts · #26

Biggest upsets

R2+328 Elo gap
Liu, Jesper1462 beat Alluri, Samanyu1790
R8+318 Elo gap
Shroff, Dhairya Amit1476 beat Dokka, Tanush1794
R8+237 Elo gap
Yang, Andrew1446 beat Chen, Darren1683