CChessStats

2025 Summer Tuesday Night Marathon - 2000 and Over Round 1-3

Open SwissStandard

33 players participated in this 3-round tournament, held from 08 Jul 2025 to 22 Jul 2025 in San Francisco, CA, United States. 5 titled players from 3 federations. Top 10 Elo average was 2077, and top seed was Aryan Achuthan (🇺🇸 USA, CM, 2243).

Alex Shrauger (🇺🇸 USA, 2032) won with 2.5/3, ahead of Elliott Winslow (2.5) and Jeremy David Cawthon (2.5). Shrauger shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Adam Mercado (1809) beat Aryan Achuthan (CM, 2243), a +434-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
08 Jul 2025 → 22 Jul 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 3 rounds
Top seed
🇺🇸CMAryan Achuthan2243
Avg top 10
2,077
Participants
33
Titled players · 5
IM×1
FM×1
CM×1
WFM×2
Federations · 3 represented
🇺🇸United States of America×31
🇲🇳Mongolia×1
🇫🇷France×1
Top 3

How it unfolded

Top 6 · 3 rounds

Tight race until R3; 4 players tied at 2.5/3, decided on Buchholz.

Co-leaders
9
3
4
11.52.53R1R2R3
R3 · TIEBREAK CLUSTER

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

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Alex Shrauger drew with IM Elliott Winslow (Black).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Alex Shrauger*
½
——
2IMElliott Winslow
½
*——
3FMAndy Lee——*—
4Jeremy David Cawthon———*

Grille américaine

#PlayerEloFedR1R2R3PtsBu C1BuSBPerfΔ
1Shrauger, Alex2032USA+14N+7B=2N2.54.56.04.752169+9.2
2Winslow, ElliottIM1968USA+21B+8N=1B2.54.55.54.252156+13.4
3Cawthon, Jeremy David1866USA+33N=11B+5N2.53.53.52.752093+16.4
4Lee, AndyFM2190USA=26B+19N+12B2.52.53.02.752092-4.2
5Mercado, Adam1809USA+6B+20N−3B2.04.55.53.002152+25.0
6Achuthan, AryanCM2243USA−5N+24B+11N2.03.54.52.502012-26.4
7Walder, Michael1893USA+27B−1N+19B2.03.54.01.501968+6.2
8Chen, Qinhong1849USA+32N−2B+26N2.03.03.00.501974+10.0
9Gnana Hari Sekar, Easwar1766USA=22B=23N+31B2.02.02.01.002012+38.8
10McCollum, Patrick M1775USA−19B+30N+20B2.02.02.01.001969+30.4
11Bambou, Christophe1976FRA+30B=3N−6B1.54.54.51.251981-0.4
12Horowitz, Phineas F1814USA=17N+13B−4N1.54.05.52.252051+16.6
13Diller, Bradley R1904USA=15B−12N+27B1.53.03.51.251748-12.0
14Lewis, Edward1827USA−1B=27N+30B1.53.03.00.251890+4.8
15Kulkarni, Neil1625USA=13N=25B=22N1.52.53.51.751898+39.6
16Tsodikova, NataliaWFM2155USAF=28N+21B1.51.51.51.251993-5.6
17Hao, Max2058USA=12B+31NF1.51.51.50.751964-7.2
18Heiserman, Jimmy2163USAF=29N+28B1.51.01.00.752040-4.6
19Krishnan, Sreyshthaa1694USA+10N−4B−7N1.04.56.52.001795+11.6
20Uyanga, ByambaaWFM2006MGL+24N−5B−10N1.04.05.01.001681-25.4
21Santos Jr, Catalino1769USA−2N+32B−16N1.04.04.00.001825+4.4
22Nguyen, Darian1955USA=9NF=15B1.03.53.51.751696-12.6
23Atkeson, Christopher Timothy1979USAF=9B=25N1.03.03.01.501800-9.2
24Rajaram, Raghu1835USA−20B−6N+32B1.03.03.00.0018640.0
25Sankar, Arjun1835USAF=15N=23B1.02.52.51.251802-1.6
26Gaffagan, Steven1854USA=4NF−8B0.54.54.51.251827-2.6
27Smith, Roger1805USA−7N=14B−13N0.53.55.00.751602-14.2
28Viadiu-Ilarraza, Hector1831USAF=16B−18N0.53.03.00.751966+5.0
29Clemens, Kristian1863USAF=18BF0.51.51.50.752163+7.0
30Parsons, Stephen1832USA−11N−10B−14N0.03.55.00.001059-28.0
31Ni, Leo1727USAF−17B−9N0.03.53.50.001112-22.8
32Tomar, Kshitij1726USA−8B−21N−24N0.03.04.00.001018-44.8
33Peterson, Jared E1675USA−3BFF0.02.52.50.001066-10.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2025 Summer Tuesday Night Marathon - 2000 and Over Round 1-3 — San Francisco, CA, United States | Chess Tournament Results | ChessStats