CChessStats

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

Open SwissStandard

26 players participated in this 3-round tournament, held from 04 Nov 2025 to 18 Nov 2025 in San Francisco, CA, United States. 2 titled players from 2 federations. Top 10 Elo average was 1988, and top seed was Natalia Tsodikova (🇺🇸 USA, WFM, 2143).

Eilon Lavi (🇺🇸 USA, 1950) won with 3.0/3, ahead of Qinhong Chen (2.5) and Elliott Winslow (2.0). Lavi broke clear in the final round.

The biggest upset came in round 2: Stephen Parsons (1827) beat Daniel Sevall (2007), a +180-point gap.

Location
🇺🇸San Francisco, CA, United States
Dates
04 Nov 2025 → 18 Nov 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 3 rounds
Top seed
🇺🇸WFMNatalia Tsodikova2143
Avg top 10
1,988
Participants
26
Titled players · 2
IM×1
WFM×1
Federations · 2 represented
🇺🇸United States of America×25
🇮🇳India×1
Top 3

How it unfolded

Top 6 · 3 rounds

Eilon Lavi led from R3; +0.5-point edge over the runner-up.

Co-leaders
6
2
1
11.52.53R1R2R3
Lavi3Chen2.5Parsons2Horowitz2Tsodikova2Rajaram2
R3–R3 · LEAD HELD

Eilon Lavi held the sole lead from R3 through R3 without losing it.

R1–R3 · WIN STREAK

Eilon Lavi won 3 in a row (R1–R3).

Grille américaine

#PlayerEloFedR1R2R3PtsBu C1BuSBPerfΔ
1Lavi, Eilon1950USA+23B+9N+3B3.03.53.53.502755+30.4
2Chen, Qinhong1876USA=8B+20N+11B2.53.03.52.752109+16.6
3Winslow, ElliottIM1987USA+4N+21B−1N2.05.05.52.501967-1.2
4Horowitz, Phineas F1830USA−3B+17N+20B2.03.03.51.501989+12.6
5Rajaram, Raghu1771USA+25B=10N=13B2.03.03.01.502114+25.8
6Tsodikova, NataliaWFM2143USAF+16N+8B2.02.52.52.502556+3.4
7Parsons, Stephen1827USA−10B+23N+16B2.02.52.51.002076+19.4
8Melville, Cailen1751USA=2N+15B−6N1.54.56.02.751956+14.4
9Seshadri, Sudarshan1872USA+17N−1B=12N1.54.55.51.751843-4.8
10Aadit Bhatia2085IND+7N=5BF1.54.04.03.001992-3.6
11Atkeson, Christopher Timothy1974USA=12N+24B−2N1.54.04.00.751788-14.2
12Kulkarni, Neil1757USA=11B=14N=9B1.53.04.52.251854+15.2
13Balyan, Aryan2029USA=22B=18N=5N1.53.03.51.751830-15.2
14McCollum, Patrick M1717USA−16B=12B+24N1.52.52.50.751749+5.6
15Lewis, Edward1848USA=20B−8N+23B1.52.02.00.251847-0.2
16Admassu, Yonathan1760USA+14N−6B−7N1.04.05.51.501771-1.2
17Smith, Roger1823USA−9B−4B+26N1.03.53.50.001640-14.2
18Walder, Michael1859USAF=13B=21N1.02.02.01.001888+1.2
19Mallela, Abhishek1957USAFF+22N1.00.50.50.502660+7.4
20Sarmasi, Aron1782USA=15N−2B−4N0.54.56.00.751578-28.4
21Perlov, Daniel1746USAF−3N=18B0.53.03.00.501731-0.8
22Clemens, Kristian1859USA=13NF−19B0.52.52.50.751800-3.0
23Sevall, Daniel2007USA−1N−7B−15N0.05.06.50.001075-81.2
24Naga Abhi Ram Ponnaluri1730USAF−11N−14B0.03.03.00.001046-28.8
25Chan, Kyle1853USA−5NFF0.02.02.00.00971-12.2
26Chan, John1593USAFF−17B0.01.01.00.001023-4.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets