2025 King County Open - Kenmore Open
SwissStandard
77 players participated in this 5-round tournament, held from 27 Sept 2025 to 28 Sept 2025 in Bellevue, WA, United States. 9 titled players from 7 federations. Top 10 Elo average was 2204, and top seed was Aziz Degenbaev (🇰🇬 KGZ, FM, 2310).
Bertrand Wan (🇺🇸 USA, 2018) won with 5.0/5, ahead of Rishabh Chinni (4.0) and Megan Lee (4.0). Wan shared the lead from round 4 and broke clear in the final round.
The biggest upset came in round 4: Karthik Bimod (1846) beat M Siddarth (2265), a +419-point gap.
Location
🇺🇸Bellevue, WA, United States
Dates
27 Sept 2025 → 28 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Titled players · 9
FM×5
CM×4
Federations · 7 represented
🇺🇸United States of America×65
🇮🇳India×5
🇦🇺Australia×1
🇸🇬Singapore×1
🇰🇬Kyrgyzstan×1
🇺🇦Ukraine×1
🇲🇽Mexico×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsBertrand Wan led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Co-leaders
29
11
5
2
1
R5–R5 · LEAD HELD
Bertrand Wan never relinquished the lead after R5; final gap +1.0 over the runner-up.
WIN STREAKS · 2 top finishers
Bertrand Wan 5 wins (R1–R5)CM Rishabh Chinni 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Bertrand Wan | * | — | 1 | — |
| 2FMMegan Lee | — | * | — | — |
| 3CMRishabh Chinni | 0 | — | * | — |
| 4FMAziz Degenbaev | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wan, Bertrand | 2018 | USA | +14N | +67B | +5N | +18B | +2B | 5.0 | 14.0 | 15.0 | 15.00 | 2725 | +42.2 |
| 2 | Chinni, RishabhCM | 2046 | USA | +41N | +21B | +13N | +20B | −1N | 4.0 | 14.5 | 16.5 | 11.50 | 2169 | +32.4 |
| 3 | Lee, MeganFM | 2152 | USA | +56N | +23B | −8N | +21B | +19N | 4.0 | 12.5 | 14.0 | 10.50 | 2199 | +7.4 |
| 4 | Degenbaev, AzizFM | 2310 | KGZ | +42B | +12N | F | +11B | +7N | 4.0 | 12.5 | 12.5 | 12.50 | 2710 | +4.8 |
| 5 | Kona, VidipCM | 2143 | USA | +35B | +31N | −1B | =22N | +34B | 3.5 | 13.0 | 15.5 | 9.00 | 1996 | -28.0 |
| 6 | Willy, StephenFM | 2247 | USA | +25N | +24B | +19N | F | =8B | 3.5 | 12.5 | 12.5 | 10.75 | 2311 | +5.8 |
| 7 | Karthik Bimod | 1846 | IND | +65N | =9B | +30B | +38N | −4B | 3.5 | 12.0 | 13.0 | 7.25 | 2153 | +73.6 |
| 8 | Arjun C Krishnamachari | 2187 | IND | +55B | +28N | +3B | F | =6N | 3.5 | 12.0 | 12.0 | 10.25 | 2329 | +13.8 |
| 9 | Porter, Ryan WFM | 2209 | USA | +27B | =7N | F | +48B | +20N | 3.5 | 11.0 | 11.0 | 9.25 | 2223 | +1.0 |
| 10 | Wang, TedFM | 2275 | USA | +40B | =30N | −20B | +27N | +29B | 3.5 | 10.5 | 12.5 | 8.25 | 2050 | -20.2 |
| 11 | Shenoy Siddharth | 1709 | IND | =39B | +57N | +69B | −4N | +28B | 3.5 | 10.0 | 11.0 | 6.00 | 1808 | +5.6 |
| 12 | Saddi, Neevan Reddy | 1896 | USA | +71N | −4B | +56N | =29B | +49N | 3.5 | 10.0 | 11.0 | 5.75 | 1987 | +22.8 |
| 13 | Summerfield, William | 2037 | USA | +74B | +38N | −2B | =46N | +52B | 3.5 | 10.0 | 10.5 | 5.50 | 2063 | +12.0 |
| 14 | Raja, Rian | 1611 | USA | −1B | =61N | +73B | +69N | +32B | 3.5 | 10.0 | 10.5 | 4.75 | 1903 | +26.4 |
| 15 | Boey, Chad | 1635 | USA | −38B | +50N | +39B | =17N | +45B | 3.5 | 9.5 | 11.5 | 7.75 | 1890 | +49.6 |
| 16 | Gottumukkala, Ananth | 2032 | USA | +44B | +43N | −18B | =28N | +46B | 3.5 | 9.5 | 11.5 | 7.25 | 1951 | -6.4 |
| 17 | Garine, Ujwal | 1726 | USA | =63N | +70B | =48N | =15B | +33N | 3.5 | 9.0 | 10.0 | 6.75 | 1950 | +46.8 |
| 18 | Vemparala, NikashCM | 2202 | USA | F | +45B | +16N | −1N | +23B | 3.0 | 14.5 | 16.5 | 8.50 | 2142 | -8.0 |
| 19 | Jammalamadaka, VihaanCM | 2017 | USA | +36N | +22B | −6B | +31N | −3B | 3.0 | 13.0 | 15.5 | 8.00 | 2010 | +2.8 |
| 20 | Loving, Jason | 2003 | USA | +59N | +53B | +10N | −2N | −9B | 3.0 | 13.0 | 14.5 | 7.00 | 2033 | +4.6 |
| 21 | Eksarevskiy, Albert Alex | 1911 | USA | +62B | −2N | +35B | −3N | +40B | 3.0 | 12.5 | 14.0 | 6.00 | 1892 | +0.8 |
| 22 | Rosales Infante, Alberto | 1842 | MEX | +60B | −19N | +44B | =5B | =25N | 3.0 | 11.5 | 13.0 | 6.75 | 1912 | +17.6 |
| 23 | Pikh, Akim | 1929 | UKR | +50B | −3N | +40B | +42N | −18N | 3.0 | 11.0 | 13.0 | 6.00 | 1871 | -9.6 |
| 24 | Wei, Jeffrey | 1817 | USA | +54B | −6N | −27B | +44N | +42B | 3.0 | 10.0 | 12.0 | 6.00 | 1831 | -1.6 |
| 25 | Gadde, Arnav | 1615 | USA | −6B | +68N | +72B | =32N | =22B | 3.0 | 10.0 | 11.0 | 4.75 | 1857 | +60.0 |
| 26 | Subramanian, Thrinay | 1737 | USA | F | −64N | +68B | +39N | +43B | 3.0 | 8.0 | 9.0 | 5.00 | 1662 | -10.8 |
| 27 | Gui, Yiting | 1746 | AUS | −9N | +65B | +24N | −10B | =31B | 2.5 | 12.5 | 13.5 | 5.25 | 1880 | +14.0 |
| 28 | Bharathy Mohan, Aarav Sai | 1710 | USA | +76N | −8B | +47N | =16B | −11N | 2.5 | 12.5 | 12.5 | 3.75 | 1800 | +16.8 |
| 29 | Yondon, Odbayar | 1850 | USA | =47N | +66B | =32B | =12N | −10N | 2.5 | 11.5 | 12.5 | 5.00 | 1823 | -9.2 |
| 30 | Thorwe Pratik | 1845 | IND | +51N | =10B | −7N | −55B | +41N | 2.5 | 11.0 | 13.0 | 5.75 | 1763 | -11.4 |
| 31 | Vega, Isaac | 1813 | USA | +75N | −5B | +41N | −19B | =27N | 2.5 | 11.0 | 11.5 | 3.75 | 1808 | -2.8 |
| 32 | Wang, Leonardo Xirui | 1795 | SGP | =58N | +63B | =29N | =25B | −14N | 2.5 | 10.5 | 11.5 | 4.50 | 1570 | -48.0 |
| 33 | Harwood, Paul | 1798 | USA | =73B | +52N | −38B | +37N | −17B | 2.5 | 10.0 | 10.5 | 4.75 | 1733 | -15.2 |
| 34 | Li, Shawn | 1812 | USA | −53N | +74B | =36N | +57B | −5N | 2.5 | 9.5 | 10.0 | 3.25 | 1866 | +6.4 |
| 35 | Nam, Jinmo | 1749 | USA | −5N | +75B | −21N | =47B | +65B | 2.5 | 9.5 | 10.0 | 2.50 | 1680 | -18.8 |
| 36 | Chen, Andy | 1634 | USA | −19B | +60N | =34B | −45N | +61B | 2.5 | 9.0 | 10.5 | 4.25 | 1750 | +18.8 |
| 37 | Stahl, Darren | 0 | USA | =46N | −49B | +63N | −33B | +58N | 2.5 | 8.0 | 9.0 | 3.50 | 1642 | 0.0 |
| 38 | Siddarth, M | 2265 | IND | +15N | −13B | +33N | −7B | F | 2.0 | 13.0 | 13.0 | 6.00 | 1908 | -31.0 |
| 39 | Pai, Vihaan | 1604 | USA | =11N | =47B | −15N | −26B | +64N | 2.0 | 12.0 | 13.0 | 3.75 | 1557 | -13.6 |
| 40 | Mohan, Vishnu | 1634 | USA | −10N | +51B | −23N | +64B | −21N | 2.0 | 11.5 | 12.5 | 3.00 | 1657 | -2.0 |
| 41 | Rubaiyat, Rhadean | 1675 | USA | −2B | +62N | −31B | +54N | −30B | 2.0 | 11.0 | 12.5 | 3.50 | 1700 | +2.0 |
| 42 | Smygov, David Aleksandrovich | 0 | USA | −4N | +71B | +64N | −23B | −24N | 2.0 | 11.0 | 12.0 | 2.00 | 1758 | 0.0 |
| 43 | Chow, Alex | 0 | USA | +77N | −16B | −53N | +51B | −26N | 2.0 | 10.5 | 10.5 | 2.00 | 1085 | 0.0 |
| 44 | Wu, Shanna | 1726 | USA | −16N | +77B | −22N | −24B | +63N | 2.0 | 10.5 | 10.5 | 1.00 | 1097 | -34.0 |
| 45 | Gupta, Saahil | 1815 | USA | +68B | −18N | F | +36B | −15N | 2.0 | 10.0 | 10.0 | 3.50 | 1738 | -18.0 |
| 46 | Zhou, Yuchen | 1786 | USA | =37B | +73N | F | =13B | −16N | 2.0 | 10.0 | 10.0 | 3.50 | 1842 | +4.8 |
| 47 | Das, Sambuddha Sekhar | 1537 | USA | =29B | =39N | −28B | =35N | =59B | 2.0 | 9.5 | 11.0 | 4.25 | 1625 | +20.0 |
| 48 | Verma, Darsh | 1892 | USA | =66N | +58B | =17B | −9N | F | 2.0 | 9.5 | 9.5 | 3.75 | 1781 | -21.6 |
| 49 | Nallappa, Vijay | 1779 | USA | −57B | +37N | F | +59N | −12B | 2.0 | 9.0 | 9.0 | 4.00 | 1734 | -4.4 |
| 50 | Gilbert, Christopher | 0 | USA | −23N | −15B | =75N | +76B | =57N | 2.0 | 8.5 | 8.5 | 1.00 | 1600 | 0.0 |
| 51 | Koripella, Dheeran S | 0 | USA | −30B | −40N | +60B | −43N | +66B | 2.0 | 8.0 | 9.0 | 2.50 | 1705 | 0.0 |
| 52 | Mulye, Tejas | 1651 | USA | F | −33B | +66N | +67B | −13N | 2.0 | 8.0 | 8.0 | 2.00 | 1771 | +21.2 |
| 53 | Goyal, Ankush | 0 | USA | +34B | −20N | +43B | F | F | 2.0 | 7.5 | 7.5 | 4.50 | 1908 | 0.0 |
| 54 | Wu, Harry | 1638 | USA | −24N | −56B | +77N | −41B | +74N | 2.0 | 7.0 | 7.0 | 0.50 | 1560 | -16.0 |
| 55 | Cheng, Selina | 1634 | USA | −8N | +76B | F | +30N | F | 2.0 | 6.0 | 6.0 | 2.50 | 1955 | +46.4 |
| 56 | Gao, Ziqian | 1699 | USA | −3B | +54N | −12B | F | =62N | 1.5 | 11.0 | 11.0 | 2.75 | 1701 | -6.0 |
| 57 | Zhao, Raymond Rubao | 0 | USA | +49N | −11B | F | −34N | =50B | 1.5 | 10.0 | 10.0 | 3.00 | 1642 | 0.0 |
| 58 | He, Oliver Lang | 1551 | USA | =32B | −48N | −59B | +73N | −37B | 1.5 | 8.5 | 9.0 | 1.75 | 1480 | -11.6 |
| 59 | Maharaja, Imai Subramonia | 1572 | USA | −20B | F | +58N | −49B | =47N | 1.5 | 8.5 | 8.5 | 2.50 | 1623 | +4.4 |
| 60 | Liu, Merrick Ruqian | 1702 | USA | −22N | −36B | −51N | +77B | =70N | 1.5 | 8.5 | 8.5 | 0.50 | 1454 | -36.0 |
| 61 | Li, Bohan Jaden | 0 | USA | −67N | =14B | =70N | =63B | −36N | 1.5 | 8.0 | 9.0 | 2.75 | 1447 | 0.0 |
| 62 | Ma, Lewis | 1521 | USA | −21N | −41B | +71N | F | =56B | 1.5 | 7.5 | 7.5 | 1.75 | 1626 | +17.2 |
| 63 | Babbar, Riaan | 1667 | USA | =17B | −32N | −37B | =61N | −44B | 1.0 | 10.5 | 12.0 | 2.50 | 1475 | 0.0 |
| 64 | Guo, Loida | 1542 | USA | −69N | +26B | −42B | −40N | −39B | 1.0 | 9.0 | 10.0 | 3.00 | 1533 | +1.2 |
| 65 | Chang, Allen | 1476 | USA | −7B | −27N | F | +75B | −35N | 1.0 | 9.0 | 9.0 | 0.50 | 980 | -17.6 |
| 66 | Evin, Terrick | 1639 | USA | =48B | −29N | −52B | =74N | −51N | 1.0 | 8.5 | 9.0 | 1.25 | 1611 | -6.4 |
| 67 | Hanson, Roger Oscar | 1610 | USA | +61B | −1N | F | −52N | F | 1.0 | 8.5 | 8.5 | 1.50 | 1031 | -20.8 |
| 68 | Yang, Jimmy | 1480 | USA | −45N | −25B | −26N | F | +75B | 1.0 | 8.5 | 8.5 | 0.50 | 922 | -24.8 |
| 69 | Jiang, Stephen | 0 | USA | +64B | F | −11N | −14B | F | 1.0 | 8.0 | 8.0 | 1.00 | 1491 | 0.0 |
| 70 | Gupta, Krishang | 1704 | USA | F | −17N | =61B | −72N | =60B | 1.0 | 7.5 | 7.5 | 1.50 | 1467 | -34.0 |
| 71 | Xu, Zoe Yue | 1565 | USA | −12B | −42N | −62B | F | +76N | 1.0 | 7.0 | 7.0 | 0.00 | 1550 | -4.8 |
| 72 | Lin, Michael | 1791 | USA | F | F | −25N | +70B | F | 1.0 | 4.0 | 4.0 | 1.00 | 1660 | -14.0 |
| 73 | Sriram, Aahan | 0 | USA | =33N | −46B | −14N | −58B | F | 0.5 | 9.5 | 9.5 | 1.25 | 1365 | 0.0 |
| 74 | Marinescu, Andra | 1821 | USA | −13N | −34N | F | =66B | −54B | 0.5 | 9.0 | 9.0 | 0.50 | 1460 | -68.4 |
| 75 | FIDE 30937019 | 0 | — | −31B | −35N | =50B | −65N | −68N | 0.5 | 8.0 | 9.0 | 1.00 | 830 | 0.0 |
| 76 | Raj, Skandha | 1610 | USA | −28B | −55N | F | −50N | −71B | 0.0 | 7.5 | 7.5 | 0.00 | 836 | -55.6 |
| 77 | FIDE 39949508 | 0 | — | −43B | −44N | −54B | −60N | F | 0.0 | 7.5 | 7.5 | 0.00 | 888 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Karthik BimodIND+73.63.5 pts · #8
- 2Gadde, ArnavUSA+60.03.0 pts · #15
- 3Boey, ChadUSA+49.63.5 pts · #19
Top rating losers
- 1Marinescu, AndraUSA-68.40.5 pts · #65
- 2Raj, SkandhaUSA-55.60.0 pts · #72
- 3Wang, Leonardo XiruiSGP-48.02.5 pts · #43
Biggest upsets
- R4+419 Elo gap
- R3+272 Elo gap
- R2+228 Elo gap