2025 December Super Sunday FIDE Tournament #2
Open SwissStandard
17 players participated in this 3-round tournament, held on 21 Dec 2025 in Piscataway, NJ, United States. 2 titled players from 3 federations. Top 10 Elo average was 1813, and top seed was Leonhard Chang (🇺🇸 USA, 1927).
Leonhard Chang (🇺🇸 USA, 1927) won with 3.0/3, ahead of Pranav Reddy Marri (2.5) and Akhil Velampalli (2.0). Chang broke clear in the final round.
The biggest upset came in round 1: Mark Xu (1584) beat Bryan James Loayza Rivera (1740), a +156-point gap.
Location
🇺🇸Piscataway, NJ, United States
Dates
21 Dec 2025
Time control
Standard: All Moves in 75 Min. Incr. 15 Sec. / /
System
Swiss · 3 rounds
Titled players · 2
CM×1
WCM×1
Federations · 3 represented
🇺🇸United States of America×15
🇮🇪Ireland×1
🇵🇪Peru×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsLeonhard Chang led from R3; +0.5-point edge over the runner-up.
Co-leaders
8
3
1
R3–R3 · LEAD HELD
Leonhard Chang held the sole lead from R3 through R3 without losing it.
R1–R3 · WIN STREAK
Leonhard Chang won 3 in a row (R1–R3).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Chang, Leonhard | 1927 | USA | +13N | +9B | +4N | 3.0 | 3.0 | 3.5 | 3.50 | 2601 | +39.6 |
| 2 | Marri, Pranav Reddy | 1852 | USA | +17N | =3B | +9N | 2.5 | 3.0 | 3.0 | 2.00 | 1978 | +17.2 |
| 3 | Velampalli, Akhil | 1629 | USA | +12B | =2N | =8B | 2.0 | 4.0 | 5.0 | 3.00 | 1931 | +47.6 |
| 4 | Tripodi, Matthew | 1864 | USA | +16B | +10N | −1B | 2.0 | 4.0 | 4.0 | 1.00 | 1900 | +3.2 |
| 5 | Loayza Rivera, Bryan James | 1740 | PER | −7B | +16N | +10B | 2.0 | 2.5 | 2.5 | 1.00 | 1786 | +7.2 |
| 6 | Zhou, AbigailWCM | 1824 | USA | +15B | +7N | F | 2.0 | 2.0 | 2.0 | 2.00 | 2428 | +20.0 |
| 7 | Xu, Mark | 1584 | USA | +5N | −6B | =14N | 1.5 | 4.0 | 4.5 | 2.25 | 1782 | +20.4 |
| 8 | Kojuharov, Liam L | 1813 | USA | −10N | +11B | =3N | 1.5 | 3.0 | 4.0 | 2.00 | 1704 | -17.2 |
| 9 | Xiang, GraysonCM | 1805 | USA | +14B | −1N | −2B | 1.0 | 5.5 | 6.0 | 0.50 | 1090 | -30.4 |
| 10 | Nguyen, Sarah | 1666 | USA | +8B | −4B | −5N | 1.0 | 4.0 | 5.5 | 1.50 | 1680 | +1.6 |
| 11 | Hrop, Stephen | 1814 | USA | F | −8N | +13B | 1.0 | 2.0 | 2.0 | 0.50 | 1773 | -2.2 |
| 12 | Tanaka, Takki | 1753 | USA | −3N | +17B | F | 1.0 | 2.0 | 2.0 | 0.00 | 1656 | -10.8 |
| 13 | Xu, Kevin | 1733 | USA | −1B | =15N | −11N | 0.5 | 4.0 | 4.5 | 0.25 | 1531 | -28.8 |
| 14 | Majmudar, Aayush | 1636 | USA | −9N | F | =7B | 0.5 | 2.5 | 2.5 | 0.75 | 1501 | 0.0 |
| 15 | Nunez, Benjamin | 1673 | IRL | −6N | =13B | F | 0.5 | 2.5 | 2.5 | 0.25 | 1586 | -8.8 |
| 16 | Pozen, Samuel | 1731 | USA | −4N | −5B | F | 0.0 | 4.0 | 4.0 | 0.00 | 1002 | -32.4 |
| 17 | Sadhu Venkata, Vahini | 1683 | USA | −2B | −12N | F | 0.0 | 3.5 | 3.5 | 0.00 | 1003 | -27.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Velampalli, AkhilUSA+47.62.0 pts · #5
- 2Chang, LeonhardUSA+39.63.0 pts · #1
- 3Xu, MarkUSA+20.41.5 pts · #8
Top rating losers
- 1Pozen, SamuelUSA-32.40.0 pts · #17
- 2Xiang, GraysonCMUSA-30.41.0 pts · #16
- 3Xu, KevinUSA-28.80.5 pts · #14
Biggest upsets
- R1+156 Elo gap
- R1+147 Elo gap
- R1+124 Elo gap