56th Annual National Chess Congress - U2200
Open SwissStandard
90 players participated in this 6-round tournament, held from 28 Nov 2025 to 30 Nov 2025 in Philadelphia, PA, United States. 8 federations represented. Top 10 Elo average was 1844, and top seed was Sean Michael Duffy (🇺🇸 USA, 1921).
Vaibhav Parihar (🇮🇳 IND, 1738) won with 5.5/6, ahead of Ani Sargsyan (4.5) and Taimoor Syed (4.5). Parihar shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 3: Nevan Sengupta (1587) beat Vahan Sargsyan (1774), a +187-point gap.
Location
🇺🇸Philadelphia, PA, United States
Dates
28 Nov 2025 → 30 Nov 2025
Time control
Standard: 40 Moves in 80 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec.
System
Swiss · 6 rounds
Federations · 8 represented
🇺🇸United States of America×75
🇮🇳India×3
🇯🇵Japan×1
🇰🇿Kazakhstan×1
🇨🇳China×1
🇳🇵Nepal×1
🇷🇴Romania×1
FIDE (no federation)×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsVaibhav Parihar led from R6; +1.0-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R6.
Co-leaders
22
8
3
4
2
1
R6–R6 · LEAD HELD
Vaibhav Parihar never relinquished the lead after R6; final gap +1.0 over the runner-up.
R2–R6 · WIN STREAK
Vaibhav Parihar won 5 in a row (R2–R6).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vaibhav Parihar | 1738 | IND | =18N | +32B | +78N | +21B | +12N | +53B | 5.5 | 14.0 | 15.0 | 13.50 | 2555 | +52.0 |
| 2 | Sargsyan, Ani | 1760 | USA | =10N | =33B | +48N | =46B | +11N | +77B | 4.5 | 14.0 | 15.0 | 10.75 | 1935 | +26.4 |
| 3 | Syed, Taimoor | 1764 | USA | +65N | +73B | =35N | +56B | +51B | −59N | 4.5 | 10.0 | 11.0 | 7.75 | 1940 | +44.0 |
| 4 | Sargsyan, Vahan | 1774 | USA | +9N | =20B | −11N | +33B | =32N | +19B | 4.0 | 16.0 | 18.5 | 12.25 | 1624 | -32.4 |
| 5 | Kumar, Rohan | 1825 | USA | F | +18B | +20N | +11B | −28N | +22N | 4.0 | 15.5 | 15.5 | 12.50 | 2433 | +15.0 |
| 6 | Fugate, Lucas | 1861 | USA | +66N | +14B | +19N | −53B | −30B | +23N | 4.0 | 14.5 | 16.0 | 11.00 | 1864 | +1.6 |
| 7 | Rigai, Jon | 1742 | USA | +48N | −19B | +65N | +9B | +80N | −31B | 4.0 | 13.5 | 14.5 | 8.50 | 1861 | +15.4 |
| 8 | Liang, Warren | 1827 | USA | −35N | +82B | +38N | −32B | +63N | +18B | 4.0 | 12.5 | 13.0 | 8.00 | 874 | -28.0 |
| 9 | Acharya, Kritarth | 1630 | USA | −4B | +86N | +50B | −7N | +76B | +85N | 4.0 | 11.0 | 11.0 | 3.00 | 1536 | -14.4 |
| 10 | Zhou, Mason Lou | 1641 | USA | =2B | =13B | =24N | −26N | +42B | +68N | 3.5 | 16.5 | 18.0 | 9.50 | 1809 | +36.0 |
| 11 | Sengupta, Nevan | 1587 | USA | +67B | =52N | +4B | −5N | −2B | +66N | 3.5 | 16.0 | 17.5 | 8.00 | 1712 | +32.4 |
| 12 | Rajeev, Pallavi | 1731 | FID | +84N | +51B | +34N | =17B | −1B | −47N | 3.5 | 16.0 | 16.0 | 6.25 | 1807 | +21.6 |
| 13 | Bustillo, Joaquin | 1787 | USA | =55B | =10N | =15B | =37N | +49B | =16B | 3.5 | 15.0 | 17.0 | 9.50 | 1733 | -4.4 |
| 14 | Acharya, Saanvi | 1671 | USA | +42B | −6N | +49B | =39N | −26B | +34B | 3.5 | 14.5 | 16.5 | 8.25 | 1803 | +35.2 |
| 15 | Nulu, Avaneesh | 1663 | USA | =21N | =54B | =13N | +20B | +34N | −56B | 3.5 | 14.0 | 16.0 | 9.75 | 1818 | +49.6 |
| 16 | Thakkar, Aarav Sachin | 0 | USA | −20N | +66B | =54N | =18B | +36B | =13N | 3.5 | 14.0 | 15.5 | 8.25 | 1755 | 0.0 |
| 17 | Linett, Steven J | 1766 | USA | +74B | +40N | +29B | =12N | −57B | −30N | 3.5 | 14.0 | 15.0 | 8.25 | 1754 | -1.2 |
| 18 | Kumar, Yuvaan | 0 | USA | =1B | −5N | +55B | =16N | +33B | −8N | 3.0 | 19.5 | 21.5 | 9.00 | 1524 | -22.0 |
| 19 | Tripathy, Siddharth Keshav | 0 | USA | +?B | +7N | −6B | −31N | +37B | −4N | 3.0 | 17.5 | 17.5 | 6.50 | 1568 | 0.0 |
| 20 | Aleksenko, Artem | 1609 | USA | +16B | =4N | −5B | −15N | =50B | +49N | 3.0 | 17.0 | 19.0 | 8.50 | 1610 | -1.6 |
| 21 | Stefanello, Michael | 1755 | USA | =15B | +55N | +75B | −1N | =23B | F | 3.0 | 15.0 | 15.0 | 6.25 | 1711 | -3.6 |
| 22 | Fujita, Anjyu | 1703 | USA | +49B | F | +37N | −28B | +35N | −5B | 3.0 | 14.0 | 14.0 | 7.00 | 1674 | -2.8 |
| 23 | Sun, Eric Ningyuan | 0 | USA | =45N | =24B | +?N | =?B | =21N | −6B | 3.0 | 12.5 | 12.5 | 4.25 | 1692 | 0.0 |
| 24 | Jacome, Kristian | 1787 | USA | =38B | =23N | =10B | =52N | +74B | F | 3.0 | 12.0 | 12.0 | 6.50 | 1599 | -19.6 |
| 25 | Wang, Devin V | 0 | USA | =33N | =45B | +41N | =27B | −?N | =?B | 3.0 | 10.5 | 10.5 | 6.50 | 1646 | 0.0 |
| 26 | Lambie-Hanson, Timothy S | 0 | USA | F | F | F | +10B | +14N | +32B | 3.0 | 9.5 | 9.5 | 9.50 | 1722 | 0.0 |
| 27 | Weyman, Grant A | 1684 | USA | F | F | +44B | =25N | =70B | +38N | 3.0 | 9.5 | 9.5 | 7.25 | 1760 | +4.4 |
| 28 | Suprun, Denis | 0 | USA | F | F | F | +22N | +5B | +57N | 3.0 | 9.0 | 9.0 | 9.00 | 1805 | 0.0 |
| 29 | Lou, Aileen | 1533 | USA | +86B | +50N | −17N | −80B | +69N | F | 3.0 | 8.0 | 8.0 | 3.50 | 1556 | +1.2 |
| 30 | Tsen, Andrew | 0 | USA | F | F | F | +?B | +6N | +17B | 3.0 | 7.5 | 7.5 | 7.50 | 1836 | 0.0 |
| 31 | Gutierrez, Augusto Enrique | 1671 | USA | F | F | F | +19B | +85B | +7N | 3.0 | 7.0 | 7.0 | 7.00 | 2537 | +11.8 |
| 32 | Singh, Aarav | 1675 | USA | F | −1N | +40B | +8N | =4B | −26N | 2.5 | 19.0 | 19.0 | 8.50 | 1847 | +36.8 |
| 33 | Campbell, Declan | 0 | USA | =25B | =2N | +36B | −4N | −18N | =43B | 2.5 | 17.0 | 19.5 | 7.50 | 1752 | 0.0 |
| 34 | Shen, Kevin | 1613 | USA | +41B | +36N | −12B | =47N | −15B | −14N | 2.5 | 15.5 | 18.0 | 6.25 | 1603 | -3.2 |
| 35 | Wang, Tyler | 0 | USA | +8B | +68N | =3B | −57N | −22B | −58N | 2.5 | 15.5 | 17.0 | 7.75 | 1663 | 0.0 |
| 36 | Elhyani, Aidan Daniel | 1763 | USA | +54N | −34B | −33N | +41B | −16N | =69B | 2.5 | 13.0 | 14.5 | 5.25 | 1812 | +8.0 |
| 37 | Tejas Kunala | 0 | IND | +39B | =75N | −22B | =13B | −19N | =?N | 2.5 | 13.0 | 13.0 | 4.75 | 1732 | 0.0 |
| 38 | Hemlock, Sebastian Koh | 0 | USA | =24N | F | −8B | +83N | +58B | −27B | 2.5 | 12.5 | 12.5 | 4.00 | 1491 | 0.0 |
| 39 | Jain, Parinya | 1730 | USA | −37N | +60B | +73N | =14B | −46N | F | 2.5 | 11.5 | 11.5 | 4.75 | 1895 | +22.4 |
| 40 | Ho, Charles | 1665 | USA | +79N | −17B | −32N | =73B | =48N | =61N | 2.5 | 11.0 | 12.0 | 3.50 | 1441 | -46.4 |
| 41 | Xu, Mark | 1549 | USA | −34N | +84B | −25B | −36N | +83B | =44N | 2.5 | 11.0 | 11.0 | 1.75 | 1494 | -8.8 |
| 42 | Vairavan, Kavin | 1550 | USA | −14N | −48B | =82N | +71B | −10N | +84B | 2.5 | 11.0 | 11.0 | 1.75 | 1383 | -33.2 |
| 43 | Sadhu Venkata, Vahini | 1709 | USA | −50B | −49N | +79B | =67N | =61B | =33N | 2.5 | 10.0 | 11.0 | 4.00 | 722 | -29.6 |
| 44 | Qu, Mofei | 0 | USA | −51N | +79B | −27N | =65B | =81N | =41B | 2.5 | 10.0 | 11.0 | 3.50 | 1408 | 0.0 |
| 45 | Lin, Kirby | 0 | USA | =23B | =25N | +52B | =72N | F | F | 2.5 | 9.5 | 9.5 | 5.75 | 1578 | 0.0 |
| 46 | Li, Ricky | 0 | USA | F | F | F | =2N | +39B | +51N | 2.5 | 9.0 | 9.0 | 6.75 | 1768 | 0.0 |
| 47 | Chirico, Elijah Ali | 0 | USA | F | F | F | =34B | +75N | +12B | 2.5 | 7.0 | 7.0 | 5.75 | 1732 | 0.0 |
| 48 | Cai, Harrison | 1516 | USA | −7B | +42N | −2B | −58N | =40B | =55N | 2.0 | 15.5 | 17.5 | 4.75 | 1590 | +13.2 |
| 49 | Thandra, Sarayu | 1522 | USA | −22N | +43B | −14N | +89B | −13N | −20B | 2.0 | 15.5 | 15.5 | 2.50 | 1563 | +12.0 |
| 50 | Jambudi, Vihaan | 0 | USA | +43N | −29B | −9N | =?B | =20N | −62B | 2.0 | 14.5 | 14.5 | 4.00 | 1532 | 0.0 |
| 51 | Gowtham K | 1695 | IND | +44B | −12N | F | +77B | −3N | −46B | 2.0 | 14.0 | 14.0 | 3.50 | 1591 | -8.2 |
| 52 | Karthikeyan, Adhinanth Krishna | 1559 | USA | +88N | =11B | −45N | =24B | −56N | −67B | 2.0 | 12.5 | 12.5 | 3.25 | 1758 | +38.4 |
| 53 | Torrens, Jude Bae | 1908 | USA | F | F | F | +6N | +59B | −1N | 2.0 | 11.5 | 11.5 | 6.00 | 1930 | +3.6 |
| 54 | Leaua, Cristinel-Costel | 1900 | ROU | −36B | =15N | =16B | +64N | F | F | 2.0 | 11.5 | 11.5 | 5.50 | 1670 | -17.0 |
| 55 | Gopi, Roshan | 0 | USA | =13N | −21B | −18N | +?B | −?N | =48B | 2.0 | 11.5 | 11.5 | 2.75 | 1553 | 0.0 |
| 56 | Duffy, Sean Michael | 1921 | USA | F | F | F | −3N | +52B | +15N | 2.0 | 10.0 | 10.0 | 5.50 | 1787 | -17.2 |
| 57 | Bershanskiy, Vladimir | 1707 | USA | F | F | F | +35B | +17N | −28B | 2.0 | 9.0 | 9.0 | 6.00 | 2566 | +23.2 |
| 58 | Ravinutala, Vivek | 0 | USA | F | F | F | +48B | −38N | +35B | 2.0 | 7.0 | 7.0 | 4.50 | 1534 | 0.0 |
| 59 | Shakya, Amrit | 1817 | NEP | F | F | F | +85N | −53N | +3B | 2.0 | 6.5 | 6.5 | 4.50 | 1836 | +2.0 |
| 60 | Lim, Ayden | 1614 | USA | −78B | −39N | +84B | −74N | −62N | +87B | 2.0 | 6.5 | 6.5 | 0.00 | 1514 | -15.6 |
| 61 | Yang, Jeffrey | 0 | USA | F | F | F | +82N | =43N | =40B | 2.0 | 5.5 | 5.5 | 3.00 | 1687 | 0.0 |
| 62 | Shakarim, Ibrakhim | 0 | KAZ | F | F | F | −76N | +60B | +50N | 2.0 | 5.0 | 5.0 | 4.00 | 1634 | 0.0 |
| 63 | FIDE 39999408 | 0 | — | F | F | F | +?N | −8B | +76N | 2.0 | 5.0 | 5.0 | 1.00 | 1027 | 0.0 |
| 64 | Nigam, Myra | 1584 | USA | F | F | F | −54B | +84N | +81B | 2.0 | 3.0 | 3.0 | 1.00 | 1690 | +9.2 |
| 65 | Bangaru, Sahishn Sai | 1483 | USA | −3B | +74N | −7B | =44N | −66B | F | 1.5 | 13.5 | 13.5 | 2.25 | 913 | -25.6 |
| 66 | Hobby, Dillian | 1640 | USA | −6B | −16N | F | =81B | +65N | −11B | 1.5 | 13.5 | 13.5 | 2.00 | 1518 | -20.0 |
| 67 | Endo van Dooijeweert, Sebastian | 0 | JPN | −11N | F | F | =43B | F | +52N | 1.5 | 8.0 | 8.0 | 3.25 | 1617 | 0.0 |
| 68 | Chandan, Alok | 0 | USA | +82N | −35B | F | =?B | −77N | −10B | 1.5 | 7.5 | 7.5 | 0.50 | 1421 | 0.0 |
| 69 | Xing, Samuel | 0 | USA | F | F | F | +?N | −29B | =36N | 1.5 | 5.5 | 5.5 | 1.25 | 1455 | 0.0 |
| 70 | Krayn, Aaron | 1760 | USA | F | F | F | +90B | =27N | F | 1.5 | 3.0 | 3.0 | 1.50 | 1679 | -4.4 |
| 71 | FIDE 39966534 | 0 | — | F | F | F | −42N | +87N | =83B | 1.5 | 3.0 | 3.0 | 0.25 | 746 | 0.0 |
| 72 | Ding, Sihan | 0 | CHN | F | F | F | =45B | +?N | −?B | 1.5 | 2.5 | 2.5 | 1.25 | 1750 | 0.0 |
| 73 | Birudavolu, Sathvik | 1582 | USA | F | −3N | −39B | =40N | F | =75B | 1.0 | 10.5 | 10.5 | 1.75 | 1529 | -10.0 |
| 74 | Sun, Gordon | 0 | USA | −17N | −65B | F | +60B | −24N | F | 1.0 | 10.0 | 10.0 | 2.00 | 1470 | 0.0 |
| 75 | Persons, Christopher J | 1731 | USA | F | =37B | −21N | F | −47B | =73N | 1.0 | 9.0 | 9.0 | 1.75 | 1476 | -26.8 |
| 76 | FIDE 39999432 | 0 | — | F | F | F | +62B | −9N | −63B | 1.0 | 8.0 | 8.0 | 2.00 | 828 | 0.0 |
| 77 | Chang, Charlotte Tai-En | 1655 | USA | F | F | F | −51N | +68B | −2N | 1.0 | 8.0 | 8.0 | 1.50 | 928 | -32.0 |
| 78 | Robeal, Rafik | 1707 | USA | +60N | F | −1B | F | F | F | 1.0 | 7.5 | 7.5 | 2.00 | 1676 | -1.8 |
| 79 | FIDE 39965996 | 0 | — | −40B | −44N | −43N | +87B | F | F | 1.0 | 7.5 | 7.5 | 0.00 | 887 | 0.0 |
| 80 | Perez, Osvaldo | 1807 | USA | F | F | F | +29N | −7B | F | 1.0 | 7.0 | 7.0 | 3.00 | 1635 | -8.6 |
| 81 | Kirubakaran, Gautham | 0 | USA | F | F | F | =66N | =44B | −64N | 1.0 | 6.0 | 6.0 | 2.00 | 1418 | 0.0 |
| 82 | Mutukulloju, Varun Shankar | 0 | USA | −68B | −8N | =42B | −61B | F | F | 0.5 | 10.0 | 10.0 | 1.25 | 1494 | 0.0 |
| 83 | FIDE 39999793 | 0 | — | F | F | F | −38B | −41N | =71N | 0.5 | 6.5 | 6.5 | 0.75 | 747 | 0.0 |
| 84 | Jandhyala, Satyarjit | 1484 | USA | −12B | −41N | −60N | F | −64B | −42N | 0.0 | 12.5 | 12.5 | 0.00 | 804 | -67.6 |
| 85 | Han, Timothy | 0 | USA | F | F | F | −59B | −31N | −9B | 0.0 | 9.0 | 9.0 | 0.00 | 905 | 0.0 |
| 86 | Chandar, Sai Avantika | 1469 | USA | −29N | −9B | F | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 780 | -28.0 |
| 87 | FIDE 39997561 | 0 | — | F | F | F | −79N | −71B | −60N | 0.0 | 4.5 | 4.5 | 0.00 | 814 | 0.0 |
| 88 | Verma, Angelina | 1735 | USA | −52B | F | F | F | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 758 | -14.6 |
| 89 | Coleman, Mark | 1674 | USA | F | F | F | −49N | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 722 | -28.0 |
| 90 | Culbertson, William Robert | 0 | USA | F | F | F | −70N | F | F | 0.0 | 1.5 | 1.5 | 0.00 | 960 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Vaibhav PariharIND+52.05.5 pts · #1
- 2Nulu, AvaneeshUSA+49.63.5 pts · #4
- 3Syed, TaimoorUSA+44.04.5 pts · #3
Top rating losers
- 1Jandhyala, SatyarjitUSA-67.60.0 pts · #84
- 2Ho, CharlesUSA-46.42.5 pts · #42
- 3Vairavan, KavinUSA-33.22.5 pts · #62
Biggest upsets
- R3+187 Elo gap
- R2+187 Elo gap
- R1+176 Elo gap