CChessStats

3rd Silman Memorial Tuesday Night Marathon - 2000 and Over Round 4-7

SwissStandard

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.

Location
🇺🇸San Francisco, CA, United States
Dates
26 May 2026 → 16 Jun 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 4 rounds
Top seed
Avg top 10
2,213
Participants
38
Titled players · 7
GM×2
IM×1
FM×1
CM×1
WFM×2
Federations · 3 represented
🇺🇸United States of America×33
🇮🇳India×3
🇬🇧Wales×1
Top 3

How it unfolded

Top 6 · 4 rounds

Tight 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.

Co-leaders
14
5
5
2
1234R1R2R3R4
R4 · TIEBREAK CLUSTER

2 players finish on 4.0/4. Yoo takes the title on Buchholz Cut1 (6.0).

WIN STREAKS · 3 top finishers

GM Christopher Woojin Yoo 4 wins (R1–R4)GM Mark Heimann 4 wins (R1–R4)IM Elliott Winslow 3 wins (R1–R3)

Grille américaine

#PlayerEloFedR1R2R3R4PtsBu C1BuSBPerfΔ
1Yoo, Christopher WoojinGM2607USA+24B+8N+31B+6B4.06.07.07.003021+3.5
2Heimann, MarkGM2479USA+22N+10N+7B+8N4.06.07.07.002925+4.6
3Winslow, ElliottIM2010USA+13B+34B+28N=18B3.54.55.04.252178+13.0
4Lee, AndyFM2144USA+9N7B+17N+11N3.06.08.06.002054-6.6
5Ismakov, Arthur2125USA+12B+25N+9B7N3.06.07.05.002017-16.0
6Heiserman, Jimmy2098USA+26N+23B+24B1N3.06.07.03.002333+22.0
7Chen, Qinhong1903USAF+4N2N+5B2.010.010.06.002316+30.0
8Suarez, Sebastian2262USA+23N1B+22N2B2.09.010.02.002254-1.2
9Wang, Chase1792USA4B+37N5N+12B2.08.08.02.001911+13.2
10Smith, OliviaWFM2042WLS+25N2BF+14B2.07.07.03.002140+6.6
11Seitzer, Phillip1919USA+14BF+26N4B2.06.06.03.002143+17.6
12Powers, Christopher1838USA5N+30N+35B9N2.06.06.01.001853+0.6
13Gray, William1899USA3N+29B+30NF2.05.55.52.001973+5.8
14Walder, Michael1838USA11N+27B+36B10N2.05.05.01.001913+7.6
15Clemens, Kristian1856USAFF+23N+16B2.04.54.53.002844+29.4
16Tsodikova, NataliaWFM2135USAF+32N+33B15N2.04.04.02.001984-9.8
17Parsons, Stephen1829USAF+35N4B+25N2.04.04.01.002011+13.2
18Zavgorodniy, Andrew1958USA+34N22BF=3N1.55.05.02.251927-2.4
19Horowitz, Phineas F1856USA=27NF+32BF1.54.04.01.501995+7.0
20Hasteer, Divija1775USA+21N26B=34N23B1.53.54.01.751826+3.8
21Mercado, Adam1831USA20BF=27N+37B1.52.52.50.501608-11.8
22Diller, Bradley R1978USA2B+18N8BF1.07.57.51.502074+4.6
23Cawthon, Jeremy David1952USA8B6N15B+20N1.07.08.51.501805-16.0
24Senthilkumar, PranavCM2035USA1N+36B6NF1.07.07.00.002007-4.4
25Melville, Cailen1764USA10B5B+37N17B1.07.07.00.001199-13.6
26Xia, Yusheng2073USA6B+20N11BF1.06.56.51.501806-20.6
27Dees, Calvin Django1827USA=19B14N=21B29N1.05.06.01.501636-19.6
28Varun Agrawal1715IND+29NF3BF1.04.54.51.001901+9.0
29Lewis, Edward1791USA28B13NF+27B1.04.04.01.001689-8.0
30Perlov, Daniel1744USA+38N12B13BF1.04.04.00.001689-4.4
31Aadit Bhatia2166IND+35BF1NF1.04.04.00.0021660.0
32Naga Abhi Ram Ponnaluri1776USAF16B19N+35B1.03.53.50.001788-1.2
33Kane, Kevin1946USAFF16N+34B1.02.52.50.501965+1.0
34Ritesh Dharmatti1794IND18B3N=20B33N0.56.57.50.751600-16.6
35Kalonaris, Zeno1749USA31N17B12N32N0.05.06.00.001098-26.2
36Seshadri, Sudarshan1862USAF24N14NF0.04.55.50.001137-16.0
37FIDE 250965830F9B25B21N0.04.54.50.009960.0
38McCollum, Patrick M1704USA30BFFF0.01.01.00.00944-8.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets