2025 Summer Tuesday Night Marathon - 2000 and Over Round 4-7
33 players participated in this 4-round tournament, held from 29 Jul 2025 to 19 Aug 2025 in San Francisco, CA, United States. 5 titled players from 4 federations. Top 10 Elo average was 2077, and top seed was Aryan Achuthan (🇺🇸 USA, CM, 2243).
Aryan Achuthan (🇺🇸 USA, CM, 2243) won with 3.5/4, ahead of Bradley R Diller (3.5) and Alex Shrauger (3.0). Achuthan shared the lead from round 1, winning on tie-break.
The biggest upset came in round 3: Bradley R Diller (1904) beat Andy Lee (FM, 2190), a +286-point gap.
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How it unfolded
Top 6 · 4 roundsTight race until R4; 2 players tied at 3.5/4, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
2 players finish on 3.5/4. Achuthan takes the title on Buchholz Cut1 (9.0).
CM Aryan Achuthan drew with Bradley R Diller (White).
CM Aryan Achuthan 3 wins (R1–R3)Bradley R Diller 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMAryan Achuthan | * | ½ | 1 | — |
| 2Bradley R Diller | ½ | * | — | — |
| 3Alex Shrauger | 0 | — | * | — |
| 4WFMByambaa Uyanga | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Achuthan, AryanCM | 2243 | USA | +18B | +4B | +3N | =2B | 3.5 | 9.0 | 10.5 | 8.75 | 2322 | +12.8 |
| 2 | Diller, Bradley R | 1904 | USA | +31N | +11B | +23B | =1N | 3.5 | 6.5 | 6.5 | 4.75 | 2397 | +44.4 |
| 3 | Shrauger, Alex | 2032 | USA | +23B | +16N | −1B | +26N | 3.0 | 6.0 | 7.0 | 3.50 | 2307 | +28.6 |
| 4 | Heiserman, Jimmy | 2163 | USA | +17B | −1N | +16B | =7N | 2.5 | 7.5 | 9.0 | 4.25 | 2090 | -6.2 |
| 5 | Lewis, Edward | 1827 | USA | =22N | +6B | =12N | =20B | 2.5 | 6.0 | 7.5 | 5.00 | 2023 | +20.6 |
| 6 | Uyanga, ByambaaWFM | 2006 | MGL | +28B | −5N | =13B | +25N | 2.5 | 5.5 | 6.0 | 2.50 | 1881 | -11.8 |
| 7 | Atkeson, Christopher Timothy | 1979 | USA | F | +24B | +20N | =4B | 2.5 | 5.0 | 5.0 | 3.75 | 2213 | +16.8 |
| 8 | Kulkarni, Neil | 1625 | USA | −19B | +17N | +27B | =16N | 2.5 | 4.5 | 5.0 | 2.75 | 1944 | +65.2 |
| 9 | Smith, Roger | 1805 | USA | +30B | =13N | +29B | −21N | 2.5 | 3.5 | 3.5 | 1.00 | 1968 | +16.8 |
| 10 | Rajaram, Raghu | 1835 | USA | =25N | +30N | −11B | +27N | 2.5 | 3.5 | 3.5 | 1.00 | 1914 | +8.2 |
| 11 | Bambou, Christophe | 1976 | FRA | F | −2N | +10N | +19B | 2.0 | 7.5 | 7.5 | 4.00 | 1992 | +1.2 |
| 12 | Nguyen, Darian | 1955 | USA | +27B | =14N | =5B | F | 2.0 | 5.0 | 5.0 | 2.75 | 1982 | +2.2 |
| 13 | Santos Jr, Catalino | 1769 | USA | F | =9B | =6N | +29B | 2.0 | 5.0 | 5.0 | 2.50 | 2006 | +37.6 |
| 14 | Winslow, ElliottIM | 1968 | USA | −16N | =12B | =19N | +32N | 2.0 | 5.0 | 5.0 | 1.75 | 1875 | -10.2 |
| 15 | Tomar, Kshitij | 1726 | USA | +33B | +29N | −17B | −24N | 2.0 | 2.5 | 2.5 | 0.00 | 1816 | +19.2 |
| 16 | Cawthon, Jeremy David | 1866 | USA | +14B | −3B | −4N | =8B | 1.5 | 8.0 | 10.0 | 3.25 | 1860 | -1.8 |
| 17 | Walder, Michael | 1893 | USA | −4N | −8B | +15N | =18B | 1.5 | 7.0 | 8.5 | 2.75 | 1733 | -17.8 |
| 18 | Gnana Hari Sekar, Easwar | 1766 | USA | −1N | =27N | =21B | =17N | 1.5 | 6.5 | 7.0 | 1.75 | 1886 | +18.0 |
| 19 | Clemens, Kristian | 1863 | USA | +8N | F | =14B | −11N | 1.5 | 6.5 | 6.5 | 3.50 | 1856 | -0.2 |
| 20 | Chen, Qinhong | 1849 | USA | +24B | −23N | −7B | =5N | 1.5 | 6.0 | 7.0 | 2.25 | 1864 | -0.6 |
| 21 | Hao, Max | 2058 | USA | F | −26B | =18N | +9B | 1.5 | 5.0 | 5.0 | 3.25 | 1909 | -21.2 |
| 22 | Sanat Singhal | 1901 | IND | =5B | F | +24N | F | 1.5 | 3.5 | 3.5 | 2.25 | 2011 | +5.4 |
| 23 | Lee, AndyFM | 2190 | USA | −3N | +20B | −2N | F | 1.0 | 8.0 | 8.0 | 1.50 | 1803 | -28.6 |
| 24 | Mercado, Adam | 1809 | USA | −20N | −7N | −22B | +15B | 1.0 | 6.0 | 7.5 | 2.00 | 1671 | -14.0 |
| 25 | Krishnan, Sreyshthaa | 1694 | USA | =10B | F | =28N | −6B | 1.0 | 5.5 | 5.5 | 1.50 | 1773 | +10.4 |
| 26 | Tsodikova, NataliaWFM | 2155 | USA | F | +21N | F | −3B | 1.0 | 4.5 | 4.5 | 1.50 | 2045 | -6.0 |
| 27 | McCollum, Patrick M | 1775 | USA | −12N | =18B | −8N | −10B | 0.5 | 7.0 | 8.5 | 0.75 | 1473 | -55.6 |
| 28 | Gaffagan, Steven | 1854 | USA | −6N | F | =25B | F | 0.5 | 3.5 | 3.5 | 0.50 | 1657 | -10.2 |
| 29 | Parsons, Stephen | 1832 | USA | F | −15B | −9N | −13N | 0.0 | 6.5 | 6.5 | 0.00 | 967 | -35.6 |
| 30 | Viadiu-Ilarraza, Hector | 1831 | USA | −9N | −10B | F | F | 0.0 | 5.0 | 5.0 | 0.00 | 1020 | -20.6 |
| 31 | Sankar, Arjun | 1835 | USA | −2B | F | F | F | 0.0 | 3.5 | 3.5 | 0.00 | 1104 | -8.0 |
| 32 | Horowitz, Phineas F | 1814 | USA | F | F | F | −14B | 0.0 | 3.5 | 3.5 | 0.00 | 1168 | -5.8 |
| 33 | Ni, Leo | 1727 | USA | −15N | F | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 926 | -20.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kulkarni, NeilUSA+65.22.5 pts · #10
- 2Diller, Bradley RUSA+44.43.5 pts · #2
- 3Santos Jr, CatalinoUSA+37.62.0 pts · #13
- 1McCollum, Patrick MUSA-55.60.5 pts · #28
- 2Parsons, StephenUSA-35.60.0 pts · #29
- 3Lee, AndyFMUSA-28.61.0 pts · #23
- R3+286 Elo gap
- R2+268 Elo gap
- R2+179 Elo gap