3rd Silman Memorial Tuesday Night Marathon - 2000 and Over Round 4-7
38 players participated in this 4-round tournament, held from 26 May 2026 to 16 Jun 2026 in San Francisco, CA, United States. 7 titled players from 3 federations. Top 10 Elo average was 2213, and top seed was Christopher Woojin Yoo (🇺🇸 USA, GM, 2607).
Christopher Woojin Yoo (🇺🇸 USA, GM, 2607) won with 4.0/4, ahead of Mark Heimann (4.0) and Elliott Winslow (3.5). Yoo shared the lead from round 1, winning on tie-break.
The biggest upset came in round 4: Kristian Clemens (1856) beat Natalia Tsodikova (WFM, 2135), a +279-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsTight race until R4; 2 players tied at 4.0/4, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
2 players finish on 4.0/4. Yoo takes the title on Buchholz Cut1 (6.0).
GM Christopher Woojin Yoo 4 wins (R1–R4)GM Mark Heimann 4 wins (R1–R4)IM Elliott Winslow 3 wins (R1–R3)
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Yoo, Christopher WoojinGM | 2607 | USA | +24B | +8N | +31B | +6B | 4.0 | 6.0 | 7.0 | 7.00 | 3021 | +3.5 |
| 2 | Heimann, MarkGM | 2479 | USA | +22N | +10N | +7B | +8N | 4.0 | 6.0 | 7.0 | 7.00 | 2925 | +4.6 |
| 3 | Winslow, ElliottIM | 2010 | USA | +13B | +34B | +28N | =18B | 3.5 | 4.5 | 5.0 | 4.25 | 2178 | +13.0 |
| 4 | Lee, AndyFM | 2144 | USA | +9N | −7B | +17N | +11N | 3.0 | 6.0 | 8.0 | 6.00 | 2054 | -6.6 |
| 5 | Ismakov, Arthur | 2125 | USA | +12B | +25N | +9B | −7N | 3.0 | 6.0 | 7.0 | 5.00 | 2017 | -16.0 |
| 6 | Heiserman, Jimmy | 2098 | USA | +26N | +23B | +24B | −1N | 3.0 | 6.0 | 7.0 | 3.00 | 2333 | +22.0 |
| 7 | Chen, Qinhong | 1903 | USA | F | +4N | −2N | +5B | 2.0 | 10.0 | 10.0 | 6.00 | 2316 | +30.0 |
| 8 | Suarez, Sebastian | 2262 | USA | +23N | −1B | +22N | −2B | 2.0 | 9.0 | 10.0 | 2.00 | 2254 | -1.2 |
| 9 | Wang, Chase | 1792 | USA | −4B | +37N | −5N | +12B | 2.0 | 8.0 | 8.0 | 2.00 | 1911 | +13.2 |
| 10 | Smith, OliviaWFM | 2042 | WLS | +25N | −2B | F | +14B | 2.0 | 7.0 | 7.0 | 3.00 | 2140 | +6.6 |
| 11 | Seitzer, Phillip | 1919 | USA | +14B | F | +26N | −4B | 2.0 | 6.0 | 6.0 | 3.00 | 2143 | +17.6 |
| 12 | Powers, Christopher | 1838 | USA | −5N | +30N | +35B | −9N | 2.0 | 6.0 | 6.0 | 1.00 | 1853 | +0.6 |
| 13 | Gray, William | 1899 | USA | −3N | +29B | +30N | F | 2.0 | 5.5 | 5.5 | 2.00 | 1973 | +5.8 |
| 14 | Walder, Michael | 1838 | USA | −11N | +27B | +36B | −10N | 2.0 | 5.0 | 5.0 | 1.00 | 1913 | +7.6 |
| 15 | Clemens, Kristian | 1856 | USA | F | F | +23N | +16B | 2.0 | 4.5 | 4.5 | 3.00 | 2844 | +29.4 |
| 16 | Tsodikova, NataliaWFM | 2135 | USA | F | +32N | +33B | −15N | 2.0 | 4.0 | 4.0 | 2.00 | 1984 | -9.8 |
| 17 | Parsons, Stephen | 1829 | USA | F | +35N | −4B | +25N | 2.0 | 4.0 | 4.0 | 1.00 | 2011 | +13.2 |
| 18 | Zavgorodniy, Andrew | 1958 | USA | +34N | −22B | F | =3N | 1.5 | 5.0 | 5.0 | 2.25 | 1927 | -2.4 |
| 19 | Horowitz, Phineas F | 1856 | USA | =27N | F | +32B | F | 1.5 | 4.0 | 4.0 | 1.50 | 1995 | +7.0 |
| 20 | Hasteer, Divija | 1775 | USA | +21N | −26B | =34N | −23B | 1.5 | 3.5 | 4.0 | 1.75 | 1826 | +3.8 |
| 21 | Mercado, Adam | 1831 | USA | −20B | F | =27N | +37B | 1.5 | 2.5 | 2.5 | 0.50 | 1608 | -11.8 |
| 22 | Diller, Bradley R | 1978 | USA | −2B | +18N | −8B | F | 1.0 | 7.5 | 7.5 | 1.50 | 2074 | +4.6 |
| 23 | Cawthon, Jeremy David | 1952 | USA | −8B | −6N | −15B | +20N | 1.0 | 7.0 | 8.5 | 1.50 | 1805 | -16.0 |
| 24 | Senthilkumar, PranavCM | 2035 | USA | −1N | +36B | −6N | F | 1.0 | 7.0 | 7.0 | 0.00 | 2007 | -4.4 |
| 25 | Melville, Cailen | 1764 | USA | −10B | −5B | +37N | −17B | 1.0 | 7.0 | 7.0 | 0.00 | 1199 | -13.6 |
| 26 | Xia, Yusheng | 2073 | USA | −6B | +20N | −11B | F | 1.0 | 6.5 | 6.5 | 1.50 | 1806 | -20.6 |
| 27 | Dees, Calvin Django | 1827 | USA | =19B | −14N | =21B | −29N | 1.0 | 5.0 | 6.0 | 1.50 | 1636 | -19.6 |
| 28 | Varun Agrawal | 1715 | IND | +29N | F | −3B | F | 1.0 | 4.5 | 4.5 | 1.00 | 1901 | +9.0 |
| 29 | Lewis, Edward | 1791 | USA | −28B | −13N | F | +27B | 1.0 | 4.0 | 4.0 | 1.00 | 1689 | -8.0 |
| 30 | Perlov, Daniel | 1744 | USA | +38N | −12B | −13B | F | 1.0 | 4.0 | 4.0 | 0.00 | 1689 | -4.4 |
| 31 | Aadit Bhatia | 2166 | IND | +35B | F | −1N | F | 1.0 | 4.0 | 4.0 | 0.00 | 2166 | 0.0 |
| 32 | Naga Abhi Ram Ponnaluri | 1776 | USA | F | −16B | −19N | +35B | 1.0 | 3.5 | 3.5 | 0.00 | 1788 | -1.2 |
| 33 | Kane, Kevin | 1946 | USA | F | F | −16N | +34B | 1.0 | 2.5 | 2.5 | 0.50 | 1965 | +1.0 |
| 34 | Ritesh Dharmatti | 1794 | IND | −18B | −3N | =20B | −33N | 0.5 | 6.5 | 7.5 | 0.75 | 1600 | -16.6 |
| 35 | Kalonaris, Zeno | 1749 | USA | −31N | −17B | −12N | −32N | 0.0 | 5.0 | 6.0 | 0.00 | 1098 | -26.2 |
| 36 | Seshadri, Sudarshan | 1862 | USA | F | −24N | −14N | F | 0.0 | 4.5 | 5.5 | 0.00 | 1137 | -16.0 |
| 37 | FIDE 25096583 | 0 | — | F | −9B | −25B | −21N | 0.0 | 4.5 | 4.5 | 0.00 | 996 | 0.0 |
| 38 | McCollum, Patrick M | 1704 | USA | −30B | F | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 944 | -8.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Chen, QinhongUSA+30.02.0 pts · #15
- 2Clemens, KristianUSA+29.42.0 pts · #10
- 3Heiserman, JimmyUSA+22.03.0 pts · #6
- 1Kalonaris, ZenoUSA-26.20.0 pts · #37
- 2Xia, YushengUSA-20.61.0 pts · #21
- 3Dees, Calvin DjangoUSA-19.61.0 pts · #30
- R4+279 Elo gap
- R2+241 Elo gap
- R4+222 Elo gap