55th annual Continental Open - U2100
Open SwissStandard
58 players participated in this 7-round tournament, held from 14 Aug 2025 to 17 Aug 2025 in Marlborough, MA, United States. 1 titled players from 3 federations. Top 10 Elo average was 1895, and top seed was Ryan Zhu (🇺🇸 USA, 1957).
Ryan Zhu (🇺🇸 USA, 1957) won with 5.5/7, ahead of Jiemin Zhang (5.5) and Jose Raul Diaz (5.5). Zhu took the lead from round 5, winning on tie-break.
The biggest upset came in round 4: Sahishn Sai Bangaru (1430) beat Cooper F Mott (1900), a +470-point gap.
Location
🇺🇸Marlborough, MA, United States
Dates
14 Aug 2025 → 17 Aug 2025
Time control
Standard: 40 Moves in 80 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec.
System
Swiss · 7 rounds
Titled players · 1
WCM×1
Federations · 3 represented
🇺🇸United States of America×54
🇨🇳China×3
🇦🇺Australia×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsTight race until R7; 3 players tied at 5.5/7, decided on Buchholz.
Co-leaders
11
4
2
1
1
1
3
R5 · LEADER CHANGE16 Aug
Ryan Zhu takes the sole lead (4.5/5).
R7 · TIEBREAK CLUSTER
3 players finish on 5.5/7. Zhu takes the title on Buchholz Cut1 (27.0).
WIN STREAKS · 2 top finishers
Jose Raul Diaz 3 wins (R4–R6)Ryan Zhu 4 wins (R3–R6)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Jose Raul Diaz | * | — | ½ | — |
| 2Ryan Zhu | — | * | ½ | — |
| 3Jiemin Zhang | ½ | ½ | * | — |
| 4Peter Davis | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Zhu, Ryan | 1957 | USA | +16N | =2B | +32N | +8B | +11N | +7B | −10N | 5.5 | 27.0 | 29.5 | 22.25 | 2068 | +35.6 |
| 2 | Zhang, Jiemin | 1859 | CHN | +35B | =1N | =3B | +43N | =4B | +22N | +12B | 5.5 | 25.0 | 26.5 | 18.50 | 1941 | +28.5 |
| 3 | Diaz, Jose Raul | 1865 | USA | =41N | +13B | =2N | +47B | +9N | +11B | =20B | 5.5 | 23.0 | 24.5 | 19.25 | 1959 | +15.0 |
| 4 | Tower, Zachary Mark | 1666 | USA | +15B | −8N | +21B | +44N | =2N | =5B | +16N | 5.0 | 25.5 | 27.0 | 17.25 | 1961 | +93.6 |
| 5 | Davis, Peter | 1898 | USA | +17B | =43N | +27B | +45N | −12B | =4N | +14B | 5.0 | 20.5 | 22.0 | 14.75 | 1970 | +22.4 |
| 6 | Griffin, Miles | 1825 | USA | =13N | +56B | =9N | =20B | =41N | +21B | +11N | 5.0 | 20.5 | 21.0 | 14.25 | 1818 | -0.8 |
| 7 | Sage, J Timothy | 1889 | USA | +57N | +44B | −11B | +48N | +19B | −1N | +27B | 5.0 | 18.0 | 18.5 | 9.00 | 1880 | -0.8 |
| 8 | Wang, Yiou | 1902 | CHN | +28N | +4B | =47B | −1N | =27B | +40N | =9N | 4.5 | 22.0 | 23.5 | 13.75 | 1855 | -6.8 |
| 9 | Carlson, Jericho D | 1771 | USA | =37B | +36N | =6B | +35N | −3B | +45N | =8B | 4.5 | 21.0 | 22.5 | 11.25 | 1848 | +32.0 |
| 10 | Golosovker, Alexander | 1921 | USA | F | F | =43B | +23B | +40N | +12N | +1B | 4.5 | 16.0 | 16.0 | 15.25 | 2673 | +69.2 |
| 11 | Dey, Ranjan | 1728 | USA | +29B | +18B | +7N | +19N | −1B | −3N | −6B | 4.0 | 27.5 | 30.0 | 14.00 | 1841 | +17.6 |
| 12 | Kagle, Sasha | 1903 | USA | +30B | −19N | +38B | +37N | +5N | −10B | −2N | 4.0 | 22.5 | 24.5 | 11.50 | 1841 | -20.4 |
| 13 | Liang, Melanie | 1732 | USA | =6B | −3N | =36B | =16N | +57B | +28N | =22B | 4.0 | 21.5 | 22.0 | 9.75 | 1807 | +26.4 |
| 14 | Joseph, Veronique | 1833 | USA | −18N | +39B | −22N | +29B | +44B | +19N | −5N | 4.0 | 19.0 | 20.5 | 9.00 | 1862 | +9.2 |
| 15 | Newman, Tom | 1800 | USA | −4N | F | +56N | +31B | −20N | +37B | +38N | 4.0 | 15.0 | 15.0 | 7.00 | 1771 | -8.4 |
| 16 | Klempf, Nathan | 1772 | USA | −1B | +17N | −35N | =13B | +52B | +25N | −4B | 3.5 | 23.0 | 24.0 | 9.50 | 1699 | -24.4 |
| 17 | Jiang, Tiantian | 1791 | CHN | −5N | −16B | =46N | +50B | +33N | =23B | =30N | 3.5 | 18.0 | 19.0 | 7.00 | 1662 | -17.2 |
| 18 | Lawson, Brian | 1854 | USA | +14B | −11N | =28B | +25N | +54B | −20N | F | 3.5 | 17.5 | 17.5 | 9.25 | 1774 | -11.4 |
| 19 | Klempf, Maxim | 1653 | USA | +39N | +12B | +20N | −11B | −7N | −14B | −23N | 3.0 | 23.0 | 25.0 | 9.00 | 1744 | +30.4 |
| 20 | Wang, Frank | 1622 | USA | F | F | −19B | =6N | +15B | +18B | =3N | 3.0 | 21.0 | 21.0 | 12.75 | 1871 | +64.8 |
| 21 | Strobehn, Alexander | 0 | USA | F | F | −4N | +24B | +35B | −6N | +40B | 3.0 | 17.0 | 17.0 | 7.00 | 1717 | 0.0 |
| 22 | Daddario, Aayush | 0 | USA | F | F | +14B | +57N | =45B | −2B | =13N | 3.0 | 15.5 | 15.5 | 7.25 | 1808 | 0.0 |
| 23 | Mehta, Armaan | 1850 | USA | F | F | +51B | −10N | =43B | =17N | +19B | 3.0 | 13.5 | 13.5 | 6.50 | 1829 | -2.8 |
| 24 | Narayanan, Krishna | 1645 | USA | −44N | −28B | +39N | −21N | +46B | −30B | +53N | 3.0 | 13.0 | 14.0 | 4.50 | 1786 | +43.6 |
| 25 | Mott, Skyler | 1750 | USA | F | F | +50N | −18B | +36N | −16B | +29N | 3.0 | 12.5 | 12.5 | 5.50 | 1610 | -11.2 |
| 26 | Herve-Mignucci, Calliste | 1719 | AUS | F | F | =29N | =36B | −34N | +49B | +43N | 3.0 | 10.0 | 10.0 | 5.25 | 1597 | -19.2 |
| 27 | Li, Harry | 1658 | USA | F | F | −5N | +33B | =8N | +32B | −7N | 2.5 | 19.5 | 19.5 | 7.25 | 1790 | +24.0 |
| 28 | Yu, AllysonWCM | 1737 | USA | −8B | +24N | =18N | −32B | +49N | −13B | F | 2.5 | 19.0 | 19.0 | 6.25 | 1715 | -8.8 |
| 29 | Golouski, David | 0 | USA | −11N | F | =26B | −14N | +56B | +35N | −25B | 2.5 | 16.5 | 16.5 | 4.00 | 1641 | 0.0 |
| 30 | Rachlin, Paul | 1832 | USA | −12N | −35B | −33N | F | +51B | +24N | =17B | 2.5 | 16.0 | 16.0 | 5.75 | 1696 | -16.8 |
| 31 | Wu, Darren | 1602 | USA | F | −37N | +34B | −15N | −38B | +52N | =33B | 2.5 | 14.0 | 14.0 | 4.75 | 1560 | -11.6 |
| 32 | Sathiesh, Kavin C | 1819 | USA | =56N | +50B | −1B | +28N | F | −27N | −48B | 2.5 | 13.5 | 13.5 | 3.75 | 1649 | -36.8 |
| 33 | Perera, Kevindu Kinal | 0 | USA | F | F | +30B | −27N | −17B | +57N | =31N | 2.5 | 11.5 | 11.5 | 4.25 | 1722 | 0.0 |
| 34 | Nigam, Myra | 1534 | USA | F | F | −31N | +56B | +26B | =44N | F | 2.5 | 7.5 | 7.5 | 4.25 | 1775 | +49.6 |
| 35 | Gao, Vincent | 1578 | USA | −2N | +30N | +16B | −9B | −21N | −29B | F | 2.0 | 21.5 | 21.5 | 6.00 | 1803 | +46.4 |
| 36 | Birudavolu, Sathvik | 1578 | USA | F | −9B | =13N | =26N | −25B | +55N | −39B | 2.0 | 17.5 | 17.5 | 4.50 | 1599 | +6.8 |
| 37 | Kunamneni, Sujay | 1667 | USA | =9N | +31B | F | −12B | =48N | −15N | F | 2.0 | 16.5 | 16.5 | 5.50 | 1682 | +1.2 |
| 38 | Patil, Jhavin Juraz | 1732 | USA | F | F | −12N | −41B | +31N | +43B | −15B | 2.0 | 14.0 | 14.0 | 4.00 | 1561 | -35.6 |
| 39 | Huang, Matthew Huai-en | 1733 | USA | −19B | −14N | −24B | F | F | +51N | +36N | 2.0 | 13.0 | 13.0 | 3.00 | 1584 | -41.2 |
| 40 | Holcomb, Emerson | 1783 | USA | F | F | +52B | +58N | −10B | −8B | −21N | 2.0 | 13.0 | 13.0 | 1.00 | 1768 | +0.4 |
| 41 | Farzaneh-Far, Ramin | 1713 | USA | =3B | F | F | +38N | =6B | F | F | 2.0 | 12.5 | 12.5 | 7.25 | 1932 | +17.6 |
| 42 | Chaudhary, Chandrakant Prasad | 0 | USA | F | F | F | F | +50N | =53B | =55N | 2.0 | 3.0 | 3.0 | 2.00 | 1769 | 0.0 |
| 43 | Liu, Jianda | 0 | USA | F | =5B | =10N | −2B | =23N | −38N | −26B | 1.5 | 23.0 | 23.0 | 6.25 | 1633 | 0.0 |
| 44 | Renshaw, Nial | 1808 | USA | +24B | −7N | F | −4B | −14N | =34B | F | 1.5 | 19.5 | 19.5 | 4.25 | 1564 | -64.0 |
| 45 | Russell, Hanon W | 1814 | USA | F | F | +54B | −5B | =22N | −9B | F | 1.5 | 13.5 | 13.5 | 2.50 | 1643 | -13.4 |
| 46 | Singh, Karanbir | 1701 | USA | F | F | =17B | =51N | −24N | =50B | −49N | 1.5 | 10.0 | 10.0 | 2.75 | 1479 | -46.8 |
| 47 | Yang, Leah | 1701 | USA | F | F | =8N | −3N | +58B | F | F | 1.5 | 10.0 | 10.0 | 2.25 | 1861 | +22.4 |
| 48 | Eldridge, Ross | 0 | USA | F | F | F | −7B | =37B | F | +32N | 1.5 | 9.5 | 9.5 | 3.50 | 1791 | 0.0 |
| 49 | Camy, Garry | 1680 | USA | F | F | =57B | −54N | −28B | −26N | +46B | 1.5 | 8.5 | 8.5 | 1.75 | 1555 | -33.6 |
| 50 | Tan, Zhiyang | 0 | USA | F | −32N | −25B | −17N | −42B | =46N | =51B | 1.0 | 13.5 | 13.5 | 1.25 | 1486 | 0.0 |
| 51 | Henderson, Mark | 1571 | USA | F | F | −23N | =46B | −30N | −39B | =50N | 1.0 | 10.0 | 10.0 | 1.25 | 1458 | -17.6 |
| 52 | Bangaru, Sahishn Sai | 1430 | USA | F | F | −40N | +53B | −16N | −31B | F | 1.0 | 9.0 | 9.0 | 1.00 | 1554 | +16.8 |
| 53 | Mott, Cooper F | 1900 | USA | F | F | F | −52N | =55B | =42N | −24B | 1.0 | 7.0 | 7.0 | 1.50 | 1321 | -82.0 |
| 54 | Zheng, Ryan | 1636 | USA | F | F | −45N | +49B | −18N | F | F | 1.0 | 6.5 | 6.5 | 1.50 | 1658 | +2.8 |
| 55 | Chen, Tianjun | 1637 | USA | F | F | F | F | =53N | −36B | =42B | 1.0 | 5.0 | 5.0 | 1.50 | 1547 | -10.4 |
| 56 | Varanasi, Ruthwik S | 1589 | USA | =32B | −6N | −15B | −34N | −29N | F | F | 0.5 | 16.5 | 16.5 | 1.25 | 1422 | -29.2 |
| 57 | Meadors, Landon | 1725 | USA | −7B | F | =49N | −22B | −13N | −33B | F | 0.5 | 16.0 | 16.0 | 0.75 | 1494 | -33.2 |
| 58 | Tiedemann, Daniel | 1817 | USA | F | F | F | −40B | −47N | F | F | 0.0 | 3.5 | 3.5 | 0.00 | 942 | -24.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tower, Zachary MarkUSA+93.65.0 pts · #6
- 2Golosovker, AlexanderUSA+69.24.5 pts · #9
- 3Wang, FrankUSA+64.83.0 pts · #21
Top rating losers
- 1Mott, Cooper FUSA-82.01.0 pts · #54
- 2Renshaw, NialUSA-64.01.5 pts · #43
- 3Singh, KaranbirUSA-46.81.5 pts · #51
Biggest upsets
- R4+470 Elo gap
- R7+255 Elo gap
- R2+254 Elo gap