2025 Cornerstone Chess Labor Day Invitational - IM A
10 players participated in this 9-round tournament, held from 28 Aug 2025 to 01 Sept 2025 in San Jose, CA, United States. 8 titled players from 4 federations. Top 10 Elo average was 2235, and top seed was Tal Baron (🇮🇱 ISR, GM, 2432).
Tal Baron (🇮🇱 ISR, GM, 2432) won with 7.0/9, ahead of Lucas Jiang (6.0) and Tsegmed Batchuluun (6.0). Baron broke clear in the final round.
The biggest upset came in round 1: Vedant Talwalkar (FM, 2078) beat Odondoo Ganbold (IM, 2289), a +211-point gap.
- 🥇
- 🥈
- 🥉
How it unfolded
Top 10 · 9 roundsGM Tal Baron led from R3 onwards, the runner-up race stayed tight.
GM Tal Baron never relinquished the lead after R3; final gap +1.0 over the runner-up.
GM Tal Baron beat FM Lucas Jiang (Black).
FM Lucas Jiang won 3 in a row (R3–R5).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇮🇱GMBaron, Tal | 2432 | * | 1 | ½ | 1 | 1 | ½ | 1 | 1 | ½ | ½ | 7.0 | 30.25 | 38.0 | +1.1 | 2434 |
| 2 | 🇺🇸FMJiang, Lucas | 2223 | 0 | * | 1 | ½ | 0 | 1 | 1 | ½ | 1 | 1 | 6.0 | 23.50 | 39.0 | +32.6 | 2362 |
| 3 | 🇲🇳GMBatchuluun, Tsegmed | 2428 | ½ | 0 | * | ½ | 0 | 1 | 1 | 1 | 1 | 1 | 6.0 | 22.50 | 39.0 | -8.2 | 2339 |
| 4 | 🇺🇸FMLee, Megan | 2152 | 0 | ½ | ½ | * | 1 | 1 | 1 | 0 | 1 | 0 | 5.0 | 21.50 | 40.0 | +30.8 | 2288 |
| 5 | 🇺🇸IMColville, Julian | 2287 | 0 | 1 | 1 | 0 | * | ½ | 0 | 1 | 0 | 1 | 4.5 | 19.50 | 40.5 | -13.8 | 2230 |
| 7 | 🇮🇳Aadit Bhatia | 2101 | ½ | 0 | 0 | 0 | ½ | * | 1 | ½ | 1 | ½ | 4.0 | 15.50 | 41.0 | +23.2 | 2207 |
| 6 | 🇺🇸FMSivakumar, Shaashwath | 2203 | 0 | 0 | 0 | 0 | 1 | 0 | * | 1 | 1 | 1 | 4.0 | 13.00 | 41.0 | -2.0 | 2196 |
| 9 | 🇺🇸FMTalwalkar, Vedant | 2078 | 0 | ½ | 0 | 1 | 0 | ½ | 0 | * | 0 | 1 | 3.0 | 12.50 | 42.0 | +16.8 | 2128 |
| 8 | 🇺🇸Sethuraman, Roshan | 2161 | ½ | 0 | 0 | 0 | 1 | 0 | 0 | 1 | * | ½ | 3.0 | 12.25 | 42.0 | -22.4 | 2119 |
| 10 | 🇲🇳IMGanbold, Odondoo | 2289 | ½ | 0 | 0 | 1 | 0 | ½ | 0 | 0 | ½ | * | 2.5 | 12.00 | 42.5 | -26.9 | 2063 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Jiang, LucasFMUSA+32.66.0 pts · #2
- 2Lee, MeganFMUSA+30.85.0 pts · #4
- 3Aadit BhatiaIND+23.24.0 pts · #7
- 1Ganbold, OdondooIMMGL-26.92.5 pts · #10
- 2Sethuraman, RoshanUSA-22.43.0 pts · #8
- 3Colville, JulianIMUSA-13.84.5 pts · #5
- R1+211 Elo gap
- R3+205 Elo gap
- R9+141 Elo gap