2025 North American Youth Chess Ch. - Open U18
SwissStandard
33 players participated in this 9-round tournament, held from 18 Aug 2025 to 23 Aug 2025 in Kingston, ON, Canada. 18 titled players from 3 federations. Top 10 Elo average was 2289, and top seed was Evan Park (🇺🇸 USA, IM, 2412).
Emanuel Kot (🇨🇦 CAN, IM, 2166) won with 7.5/9, ahead of Aditeya Das (7.0) and Evan Park (6.5). Kot took the lead from round 6.
The biggest upset came in round 1: Yiding Lu (CM, 2042) beat Jingyun (ryan) Yang (FM, 2372), a +330-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
Titled players · 18
IM×2
FM×9
CM×6
WGM×1
Federations · 3 represented
🇨🇦Canada×17
🇺🇸United States of America×15
🇲🇽Mexico×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsIM Emanuel Kot led from R6; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R6.
Co-leaders
14
7
2
4
1
1
1
1
1
R6 · LEADER CHANGE21 Aug
IM Emanuel Kot takes the sole lead (5.0/6).
R5 · HEAD-TO-HEAD · WINNER VS 2ND
IM Emanuel Kot drew with FM Aditeya Das (White).
R1–R3 · WIN STREAK
IM Emanuel Kot won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMEmanuel Kot | * | ½ | 1 | ½ |
| 2FMAditeya Das | ½ | * | ½ | 1 |
| 3IMEvan Park | 0 | ½ | * | — |
| 4Maahir M Patel | ½ | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kot, EmanuelIM | 2166 | CAN | +28N | +13B | +3N | =6B | =2B | +4N | =5N | +7B | +9B | 7.5 | 47.0 | 49.5 | 40.25 | 2470 | +131.5 |
| 2 | Das, AditeyaFM | 2259 | USA | +22N | +5B | =8N | +11B | =1N | =3B | =6N | +10B | +4B | 7.0 | 48.0 | 52.0 | 39.50 | 2414 | +35.6 |
| 3 | Park, EvanIM | 2412 | USA | +15B | +21N | −1B | +14N | +19B | =2N | =4B | +6N | =8B | 6.5 | 45.5 | 49.5 | 32.75 | 2340 | -5.8 |
| 4 | Guo, EthanFM | 2311 | USA | =17N | +16B | +32N | +8B | +6N | −1B | =3N | +5B | −2N | 6.0 | 47.0 | 48.0 | 28.00 | 2307 | +2.0 |
| 5 | Patel, Maahir M | 2114 | USA | +24B | −2N | +26B | +9N | =7B | +19N | =1B | −4N | +13B | 6.0 | 44.0 | 47.0 | 27.50 | 2262 | +70.7 |
| 6 | Cherukuri, NiteshFM | 2252 | USA | +23B | +14N | +18B | =1N | −4B | +11N | =2B | −3B | =12N | 5.5 | 47.5 | 51.0 | 28.50 | 2238 | -1.4 |
| 7 | Yang, Jingyun (ryan)FM | 2372 | CAN | −13N | +10B | +15N | +16B | =5N | =8B | =11N | −1N | +18B | 5.5 | 44.5 | 49.0 | 28.00 | 2182 | -37.0 |
| 8 | Vemparala, NikashCM | 2176 | USA | +27B | +33N | =2B | −4N | +17B | =7N | =9B | =13N | =3N | 5.5 | 43.0 | 43.0 | 22.25 | 2223 | +24.8 |
| 9 | Mou, IrisWGM | 2240 | USA | −16N | +20B | +13N | −5B | +29N | +15B | =8N | +14B | −1N | 5.5 | 42.5 | 44.0 | 23.25 | 2103 | -49.8 |
| 10 | Chen, MaxCM | 2318 | CAN | =25B | −7N | +22B | =12N | +18B | +14N | =13B | −2N | +17B | 5.5 | 41.0 | 44.0 | 24.75 | 2185 | -25.2 |
| 11 | Martinez Flores, MatiasFM | 2060 | MEX | +30B | +12N | =25B | −2N | +23N | −6B | =7B | =18N | +16N | 5.5 | 39.0 | 40.5 | 21.50 | 2167 | +44.4 |
| 12 | Guillemette, HugoCM | 2193 | CAN | +20N | −11B | =23N | =10B | +16N | −13B | +17N | +19N | =6B | 5.5 | 38.5 | 42.0 | 24.25 | 2147 | -14.0 |
| 13 | Lu, YidingCM | 2042 | USA | +7B | −1N | −9B | +33N | +26B | +12N | =10N | =8B | −5N | 5.0 | 44.0 | 44.0 | 19.50 | 2187 | +58.0 |
| 14 | Lin, LeoCM | 2059 | CAN | +29N | −6B | +30N | −3B | +20N | −10B | +25N | −9N | +21B | 5.0 | 35.5 | 37.0 | 14.00 | 2117 | +22.0 |
| 15 | Zhu, Matthew | 2043 | CAN | −3N | +28B | −7B | +27N | +25B | −9N | −18B | +22N | +29B | 5.0 | 34.5 | 36.0 | 14.00 | 2074 | +12.4 |
| 16 | Berube, Maximilien | 1928 | CAN | +9B | −4N | +21B | −7N | −12B | +24N | =19B | +23N | −11B | 4.5 | 39.5 | 43.0 | 18.50 | 2118 | +78.4 |
| 17 | Shankar, Pranav | 2028 | USA | =4B | −25N | +24B | +21N | −8N | +23B | −12B | +26N | −10N | 4.5 | 36.5 | 39.5 | 17.00 | 2073 | +21.2 |
| 18 | Schaefer, Sasha MiloCM | 2023 | USA | +32N | +19B | −6N | −23B | −10N | +29B | +15N | =11B | −7N | 4.5 | 36.0 | 37.0 | 14.25 | 2142 | +50.8 |
| 19 | Moses, NeilFM | 2234 | CAN | +26B | −18N | +33B | +25N | −3N | −5B | =16N | −12B | =20N | 4.0 | 37.0 | 37.0 | 10.25 | 1968 | -100.0 |
| 20 | Liu, Sean Fangxiao | 1823 | CAN | −12B | −9N | +31B | +22N | −14B | −25N | =21B | +28N | =19B | 4.0 | 33.5 | 35.0 | 12.00 | 1968 | +55.6 |
| 21 | Malakar, SaarthakFM | 2083 | CAN | +31N | −3B | −16N | −17B | =30N | +27B | =20N | +25B | −14N | 4.0 | 32.0 | 33.5 | 10.25 | 1924 | -64.8 |
| 22 | Joseph, Jonath | 1938 | CAN | −2B | =24N | −10N | −20B | =28N | +30B | +31N | −15B | +27N | 4.0 | 32.0 | 33.5 | 9.00 | 1823 | -55.6 |
| 23 | Tang, Vincent | 1937 | USA | −6N | F | =12B | +18N | −11B | −17N | +26B | −16B | +25N | 3.5 | 36.0 | 37.5 | 13.25 | 2011 | +26.8 |
| 24 | Samanta, Neelansh | 1698 | USA | −5N | =22B | −17N | +28B | =27N | −16B | −29N | =31B | +30N | 3.5 | 27.5 | 29.0 | 8.25 | 1723 | +2.8 |
| 25 | Mulay, Vivan PrakashFM | 2029 | USA | =10N | +17B | =11N | −19B | −15N | +20B | −14B | −21N | −23B | 3.0 | 37.5 | 41.0 | 14.00 | 1938 | -42.9 |
| 26 | Ramesan, Raunak Amit | 1915 | CAN | −19N | +29B | −5N | +30B | −13N | +31B | −23N | −17B | F | 3.0 | 27.5 | 27.5 | 4.50 | 1809 | -41.6 |
| 27 | Blomer, John | 1775 | USA | −8N | −32B | +28N | −15B | =24B | −21N | +33B | =29N | −22B | 3.0 | 27.0 | 27.0 | 5.00 | 1757 | -17.6 |
| 28 | Zhuang, Ryan | 1706 | CAN | −1B | −15N | −27B | −24N | =22B | +33N | +30N | −20B | F | 2.5 | 28.5 | 28.5 | 3.50 | 1496 | -46.8 |
| 29 | Koziar, Noah | 0 | CAN | −14B | −26N | F | F | −9B | −18N | +24B | =27B | −15N | 1.5 | 30.5 | 30.5 | 5.00 | 1726 | -22.4 |
| 30 | Mourani El Bechara, Gabriel | 0 | CAN | −11N | F | −14B | −26N | =21B | −22N | −28B | +33N | −24B | 1.5 | 27.5 | 27.5 | 2.00 | 1501 | 0.0 |
| 31 | Valavan, Aaryan | 1659 | CAN | −21B | F | −20N | F | +33B | −26N | −22B | =24N | F | 1.5 | 22.0 | 22.0 | 1.75 | 1521 | -26.0 |
| 32 | Paragua, Megan AltheaFM | 2300 | USA | −18B | +27N | −4B | F | F | F | F | F | F | 1.0 | 15.0 | 15.0 | 3.00 | 1953 | -24.6 |
| 33 | Richardson Grenon, Louis | 0 | CAN | F | −8B | −19N | −13B | −31N | −28B | −27N | −30B | F | 0.0 | 26.0 | 26.0 | 0.00 | 1129 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kot, EmanuelIMCAN+131.57.5 pts · #1
- 2Berube, MaximilienCAN+78.44.5 pts · #12
- 3Patel, Maahir MUSA+70.76.0 pts · #4
Top rating losers
- 1Moses, NeilFMCAN-100.04.0 pts · #22
- 2Malakar, SaarthakFMCAN-64.84.0 pts · #21
- 3Joseph, JonathCAN-55.64.0 pts · #24
Biggest upsets
- R1+330 Elo gap
- R1+312 Elo gap
- R1+277 Elo gap