2025 October Super Sunday FIDE Tournament
Open SwissStandard
18 players participated in this 3-round tournament, held on 05 Oct 2025 in Piscataway, NJ, United States. 1 titled players from 4 federations. Top 10 Elo average was 1816, and top seed was Luke Shin (🇺🇸 USA, 1873).
Liam L Kojuharov (🇺🇸 USA, 1805) won with 2.5/3, ahead of Luke Shin (2.5) and Grayson Xiang (2.0). Kojuharov won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Adhvaith Ajay (1655) beat Bryan James Loayza Rivera (1860), a +205-point gap.
Location
🇺🇸Piscataway, NJ, United States
Dates
05 Oct 2025
Time control
Standard: All Moves in 75 Min. Incr. 15 Sec. / /
System
Swiss · 3 rounds
Titled players · 1
CM×1
Federations · 4 represented
🇺🇸United States of America×15
🇮🇳India×1
🇨🇦Canada×1
🇵🇪Peru×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsTight race until R3; 2 players tied at 2.5/3, decided on Buchholz.
Co-leaders
5
1
2
R3 · TIEBREAK CLUSTER
2 players finish on 2.5/3. Kojuharov takes the title on Buchholz Cut1 (3.5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Luke Shin | * | — | — | — |
| 2Liam L Kojuharov | — | * | ½ | — |
| 3CMGrayson Xiang | — | ½ | * | — |
| 4Mahati B Kashyap | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kojuharov, Liam L | 1805 | USA | +18B | =3N | +9B | 2.5 | 3.5 | 3.5 | 2.50 | 1915 | +3.6 |
| 2 | Shin, Luke | 1873 | USA | =11N | +12B | +4B | 2.5 | 3.0 | 4.0 | 3.50 | 2026 | +16.8 |
| 3 | Xiang, GraysonCM | 1814 | USA | +13N | =1B | =5N | 2.0 | 4.5 | 5.5 | 3.25 | 1877 | +18.8 |
| 4 | Siddharth Manikandan | 1837 | IND | +14N | +8B | −2N | 2.0 | 4.5 | 5.5 | 3.00 | 1899 | +10.0 |
| 5 | Liang, Melanie | 1759 | USA | =6B | +11N | =3B | 2.0 | 4.0 | 5.0 | 3.00 | 1949 | +18.4 |
| 6 | Ajay, Adhvaith | 1655 | CAN | =5N | +16B | =7N | 2.0 | 4.0 | 4.5 | 2.50 | 1810 | 0.0 |
| 7 | Su, Milo | 1864 | USA | =9B | +17N | =6B | 2.0 | 3.5 | 4.0 | 2.25 | 1682 | -6.1 |
| 8 | Kashyap, Mahati B | 1672 | USA | +16B | −4N | +13B | 2.0 | 3.0 | 3.5 | 1.50 | 1873 | +29.6 |
| 9 | Xu, Kevin | 1699 | USA | =7N | +15B | −1N | 1.5 | 4.5 | 5.5 | 2.00 | 1830 | +23.6 |
| 10 | Lui, Isaac Noah | 1853 | USA | −12N | =14B | +17N | 1.5 | 2.0 | 2.5 | 1.00 | 1509 | -29.6 |
| 11 | Gao, Vincent | 1754 | USA | =2B | −5B | =15N | 1.0 | 4.5 | 5.5 | 1.75 | 1703 | -6.5 |
| 12 | Chen, Winston Ruiying | 1714 | USA | +10B | −2N | F | 1.0 | 4.0 | 4.0 | 1.50 | 1845 | +18.0 |
| 13 | Waters, Kai | 1608 | USA | −3B | +18N | −8N | 1.0 | 4.0 | 4.0 | 0.00 | 926 | -27.6 |
| 14 | Sadhu Venkata, Vahini | 1732 | USA | −4B | =10N | =16N | 1.0 | 3.5 | 4.0 | 1.00 | 1684 | -7.6 |
| 15 | Siu, Liam | 1724 | USA | =17B | −9N | =11B | 1.0 | 2.5 | 3.0 | 0.75 | 1523 | -30.8 |
| 16 | Loayza Rivera, Bryan James | 1860 | PER | −8N | −6N | =14B | 0.5 | 4.0 | 5.0 | 0.50 | 1518 | -29.6 |
| 17 | Brosnan, John | 1704 | USA | =15N | −7B | −10B | 0.5 | 3.5 | 4.5 | 0.50 | 1528 | 0.0 |
| 18 | Singh, Shaurya | 1745 | USA | −1N | −13B | F | 0.0 | 3.5 | 3.5 | 0.00 | 943 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kashyap, Mahati BUSA+29.62.0 pts · #3
- 2Xu, KevinUSA+23.61.5 pts · #7
- 3Xiang, GraysonCMUSA+18.82.0 pts · #2
Top rating losers
- 1Siu, LiamUSA-30.81.0 pts · #15
- 2Lui, Isaac NoahUSA-29.61.5 pts · #16
- 3Loayza Rivera, Bryan JamesPER-29.60.5 pts · #12
Biggest upsets
- R2+205 Elo gap
- R1+188 Elo gap
- R1+139 Elo gap