2025 2nd Silman Tuesday Night Marathon - 2000 and Over Round 4-7
Open SwissStandard
33 players participated in this 4-round tournament, held from 27 May 2025 to 17 Jun 2025 in San Francisco, CA, United States. 6 titled players from 4 federations. Top 10 Elo average was 2165, and top seed was Mark Heimann (🇺🇸 USA, GM, 2512).
Mark Heimann (🇺🇸 USA, GM, 2512) won with 4.0/4, ahead of Sebastian Suarez (3.0) and Chinguun Bayaraa (2.5). Heimann won solo starting round 3.
The biggest upset came in round 3: Andrew Zavgorodniy (1739) beat Elliott Winslow (IM, 2004), a +265-point gap.
Location
🇺🇸San Francisco, CA, United States
Dates
27 May 2025 → 17 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Titled players · 6
GM×1
IM×1
CM×2
WFM×2
Federations · 4 represented
🇺🇸United States of America×30
🇲🇳Mongolia×1
🇫🇷France×1
🇬🇧Wales×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 4 roundsGM Mark Heimann led from R3; +1.0-point edge over the runner-up.
Co-leaders
12
3
1
1
R3–R4 · LEAD HELD
GM Mark Heimann never relinquished the lead after R3; final gap +1.0 over the runner-up.
R1–R4 · WIN STREAK
GM Mark Heimann won 4 in a row (R1–R4).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Heimann, MarkGM | 2512 | USA | +23B | +22N | +24B | +3B | 4.0 | 4.5 | 5.5 | 5.50 | 2923 | +3.5 |
| 2 | Suarez, Sebastian | 2126 | USA | +7N | +24B | −3N | +23B | 3.0 | 5.5 | 6.5 | 4.00 | 2328 | +41.2 |
| 3 | Chinguun BayaraaCM | 2143 | MGL | =4B | +18N | +2B | −1N | 2.5 | 9.5 | 11.0 | 5.75 | 2265 | +11.6 |
| 4 | Tsodikova, NataliaWFM | 2151 | USA | =3N | =10B | +7N | =14B | 2.5 | 6.5 | 8.0 | 5.00 | 2166 | +1.6 |
| 5 | Liou, Arthur | 1916 | USA | −8N | +30B | =6N | +22B | 2.5 | 5.5 | 6.0 | 2.75 | 1921 | +0.4 |
| 6 | Paragiri, Reyansh | 1884 | USA | +31B | +15N | =5B | F | 2.5 | 4.0 | 4.0 | 2.75 | 2147 | +38.4 |
| 7 | Heiserman, Jimmy | 2165 | USA | −2B | +29N | −4B | +17N | 2.0 | 7.0 | 7.5 | 2.00 | 2050 | -11.6 |
| 8 | Parsons, Stephen | 1812 | USA | +5B | −17N | =29B | =18N | 2.0 | 5.5 | 6.0 | 3.50 | 1933 | +12.8 |
| 9 | Cremisi, Daniel | 2228 | USA | +16N | =14B | =10N | F | 2.0 | 5.0 | 5.0 | 3.25 | 2059 | -10.2 |
| 10 | Bambou, Christophe | 1961 | FRA | +32B | =4N | =9B | F | 2.0 | 4.5 | 4.5 | 2.25 | 2207 | +18.8 |
| 11 | Zavgorodniy, Andrew | 1739 | USA | +20B | F | +19B | F | 2.0 | 3.0 | 3.0 | 3.00 | 2716 | +57.6 |
| 12 | Lewis, Edward | 1841 | USA | −26B | =20N | =30N | +31B | 2.0 | 3.0 | 3.0 | 1.00 | 1857 | +1.8 |
| 13 | Sawhney, Yuvraj Singh | 1905 | USA | −22B | +32N | +16B | F | 2.0 | 2.5 | 2.5 | 1.50 | 1938 | +5.2 |
| 14 | Das, Rohan | 2014 | USA | F | =9N | =17B | =4N | 1.5 | 6.0 | 6.0 | 3.00 | 2138 | +19.2 |
| 15 | Cawthon, Jeremy David | 1868 | USA | =19N | −6B | =21N | =16N | 1.5 | 5.5 | 7.0 | 2.25 | 1795 | -8.8 |
| 16 | Viadiu-Ilarraza, Hector | 1825 | USA | −9B | +27N | −13N | =15B | 1.5 | 5.5 | 6.5 | 1.75 | 1892 | +4.4 |
| 17 | Shrauger, Alex | 2034 | USA | F | +8B | =14N | −7B | 1.5 | 5.5 | 5.5 | 2.75 | 1997 | -2.6 |
| 18 | Diller, Bradley R | 1891 | USA | F | −3B | +25N | =8B | 1.5 | 5.5 | 5.5 | 2.00 | 1922 | +1.8 |
| 19 | Winslow, ElliottIM | 2004 | USA | =15B | F | −11N | +21B | 1.5 | 5.0 | 5.0 | 2.25 | 1807 | -15.0 |
| 20 | Horowitz, Phineas F | 1828 | USA | −11N | =12B | +33N | F | 1.5 | 4.0 | 4.0 | 1.00 | 1801 | -2.2 |
| 21 | Smith, Roger | 1814 | USA | F | +31N | =15B | −19N | 1.5 | 3.0 | 3.0 | 0.75 | 1903 | +7.2 |
| 22 | Rajaram, Raghu | 1747 | USA | +13N | −1B | −23N | −5N | 1.0 | 8.5 | 9.5 | 2.00 | 1830 | +10.4 |
| 23 | Smith, OliviaWFM | 2123 | WLS | −1N | F | +22B | −2N | 1.0 | 8.0 | 8.0 | 1.00 | 2004 | -9.8 |
| 24 | Coyne, Theodore | 2108 | USA | +29B | −2N | −1N | F | 1.0 | 7.5 | 7.5 | 0.50 | 2050 | -6.6 |
| 25 | Sankar, Arjun | 1812 | USA | −28N | +33B | −18B | F | 1.0 | 2.5 | 2.5 | 0.00 | 1800 | -1.2 |
| 26 | Srinivasan, Sivavishnu | 1900 | USA | +12N | F | F | F | 1.0 | 2.0 | 2.0 | 2.00 | 2641 | +16.8 |
| 27 | Walder, Michael | 1918 | USA | +33N | −16B | F | F | 1.0 | 1.5 | 1.5 | 0.00 | 1825 | -5.2 |
| 28 | Senthilkumar, PranavCM | 2061 | USA | +25B | F | F | F | 1.0 | 1.0 | 1.0 | 1.00 | 2611 | +3.8 |
| 29 | Seshadri, Sudarshan | 1889 | USA | −24N | −7B | =8N | F | 0.5 | 5.0 | 5.0 | 1.00 | 1755 | -20.0 |
| 30 | Clemens, Kristian | 1861 | USA | F | −5N | =12B | F | 0.5 | 4.5 | 4.5 | 1.00 | 1686 | -9.0 |
| 31 | Mercado, Adam | 1838 | USA | −6N | −21B | F | −12N | 0.0 | 6.0 | 6.0 | 0.00 | 1046 | -29.4 |
| 32 | Gaffagan, Steven | 1866 | USA | −10N | −13B | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 1133 | -16.4 |
| 33 | Ivanenko, Anthony Vladimir | 1824 | USA | −27B | −25N | −20B | F | 0.0 | 3.5 | 3.5 | 0.00 | 1052 | -27.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Zavgorodniy, AndrewUSA+57.62.0 pts · #13
- 2Suarez, SebastianUSA+41.23.0 pts · #2
- 3Paragiri, ReyanshUSA+38.42.5 pts · #4
Top rating losers
- 1Mercado, AdamUSA-29.40.0 pts · #31
- 2Ivanenko, Anthony VladimirUSA-27.60.0 pts · #32
- 3Seshadri, SudarshanUSA-20.00.5 pts · #30
Biggest upsets
- R3+265 Elo gap
- R1+158 Elo gap
- R1+104 Elo gap