CChessStats

3rd Silman Memorial Tuesday Night Marathon - 2000 and Over Round 1-3

SwissStandard

38 players participated in this 3-round tournament, held from 05 May 2026 to 19 May 2026 in San Francisco, CA, United States. 8 titled players from 3 federations. Top 10 Elo average was 2250, and top seed was Christopher Woojin Yoo (🇺🇸 USA, GM, 2607).

Mark Heimann (🇺🇸 USA, GM, 2479) won with 2.5/3, ahead of Christopher Woojin Yoo (2.5) and Jeremy David Cawthon (2.5). Heimann shared the lead from round 1, winning on tie-break.

The biggest upset came in round 3: Zeno Kalonaris (1749) beat Arthur Ismakov (2125), a +376-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
05 May 2026 → 19 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 3 rounds
Top seed
Avg top 10
2,250
Participants
38
Titled players · 8
GM×2
IM×2
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 · 3 rounds

Tight race until R3; 3 players tied at 2.5/3, decided on Buchholz.

Co-leaders
12
6
3
11.52.53R1R2R3
R3 · TIEBREAK CLUSTER

3 players finish on 2.5/3. Heimann takes the title on Buchholz Cut1 (4.5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

GM Mark Heimann drew with GM Christopher Woojin Yoo (White).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3PtsBu C1BuSBPerfΔ
1Heimann, MarkGM2479USA+33B+4N=2B2.54.54.53.252528+3.3
2Yoo, Christopher WoojinGM2607USA+13N+17B=1N2.54.05.03.752571-0.1
3Cawthon, Jeremy David1952USA+18N+20B=14N2.52.53.52.752392+30.6
4Xia, Yusheng2073USA+8N1B+19N2.04.55.53.002104+3.0
5Lee, AndyFM2144USA+22B10N+15B2.03.54.52.502121-1.0
6Ritesh Dharmatti1794IND=28N=13B+17N2.02.53.02.002166+27.0
7Suarez, Sebastian2262USA+29N+9BF2.02.52.52.502729+9.6
8Kalonaris, Zeno1749USA4B+33N+28B2.02.52.50.502092+24.4
9Zavgorodniy, Andrew1958USA+31B7N+34B2.02.52.50.502045+3.6
10Senthilkumar, PranavCM2035USA+35N+5BF2.02.02.02.002744+16.0
11Chen, Qinhong1903USA+34N+30BF2.00.50.50.502810+13.0
12Diller, Bradley R1978USAF+37N+38B2.00.00.00.002616+11.4
13Seshadri, Sudarshan1862USA2B=6N+36B1.54.54.51.001962+5.8
14Krishnan, VarunIM2408USA+19NF=3B1.53.53.52.252201-3.4
15Heiserman, Jimmy2098USA=21N+24B5N1.53.04.01.501922-12.6
16Smith, OliviaWFM2042WLSF+36N=21B1.51.01.00.502005-1.6
17Tsodikova, NataliaWFM2135USA+26B2N6B1.04.55.51.001910-17.2
18Powers, Christopher1838USA3B+25N23B1.03.54.51.001762-6.0
19Varun Agrawal1715IND14B+26N4B1.03.54.51.001863+8.0
20Aadit Bhatia2166IND+25B3NF1.03.54.51.001872-13.6
21Wang, Chase1792USA=15BF=16N1.03.04.01.502070+26.8
22Horowitz, Phineas F1856USA5N+35BF1.03.03.00.001944+3.8
23Seitzer, Phillip1919USAFF+18N1.02.02.01.002638+7.8
24Parsons, Stephen1829USAF15N+30B1.02.02.00.502054+11.4
25Lewis, Edward1791USA20N18B+35N1.02.02.00.001791-1.8
26Hasteer, Divija1775USA17N19B+33B1.02.02.00.001726-11.2
27Walder, Michael1838USAFF+29N1.01.01.00.502699+11.6
28Ismakov, Arthur2125USA=6BF8N0.54.04.01.001579-51.6
29Gray, William1899USA7B=31N27B0.53.03.50.251703-15.6
30Winslow, ElliottIM2010USA=32B11N24N0.53.03.50.251559-34.0
31Dees, Calvin Django1827USA9N=29BF0.52.52.50.251736-4.4
32Melville, Cailen1764USA=30NFF0.51.51.50.252010+6.2
33McCollum, Patrick M1704USA1N8B26N0.04.55.50.001076-18.4
34FIDE 25096583011BF9N0.04.04.00.0011310.0
35Perlov, Daniel1744USA10B22N25B0.03.04.00.001094-18.6
36Mercado, Adam1831USAF16B13N0.03.03.00.001152-13.8
37Clemens, Kristian1856USAF12BF0.02.02.00.001178-6.6
38Naga Abhi Ram Ponnaluri1776USAFF12N0.02.02.00.001178-9.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets