2025 Cornerstone Holiday Norm Invitationals #2 - IM A
10 players participated in this 9-round tournament, held from 31 Dec 2025 to 04 Jan 2026 in Sunnyvale, CA, United States. 8 titled players from 5 federations. Top 10 Elo average was 2227, and top seed was Diego Saul Rodri Flores Quillas (🇵🇪 PER, IM, 2409).
Diego Saul Rodri Flores Quillas (🇵🇪 PER, IM, 2409) won with 7.5/9, ahead of Ethan Guo (6.0) and Leonel Figueredo Losada (5.5). Flores Quillas shared the lead from round 7 and won solo starting round 8.
The biggest upset came in round 3: Sanat Singhal (1927) beat Patrick Liu (FM, 2211), a +284-point gap.
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How it unfolded
Top 10 · 9 roundsIM Diego Saul Rodri Flores Quillas led from R8 onwards, the runner-up race stayed tight.
IM Diego Saul Rodri Flores Quillas takes the sole lead (6.5/8).
IM Diego Saul Rodri Flores Quillas opens a +1.5-point gap over the chasing pack (closest: FM Ethan Guo); the title is out of reach before R9.
IM Diego Saul Rodri Flores Quillas beat FM Ethan Guo (White).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇵🇪IMFlores Quillas, Diego Saul Rodri | 2409 | * | 1 | ½ | ½ | ½ | 1 | 1 | 1 | 1 | 1 | 7.5 | 29.50 | 37.5 | +8.8 | 2489 |
| 2 | 🇺🇸FMGuo, Ethan | 2295 | 0 | * | 1 | ½ | ½ | ½ | 1 | ½ | 1 | 1 | 6.0 | 22.50 | 39.0 | +13.8 | 2344 |
| 3 | 🇲🇽IMFigueredo Losada, Leonel | 2298 | ½ | 0 | * | ½ | 1 | ½ | ½ | 1 | ½ | 1 | 5.5 | 21.25 | 39.5 | +1.7 | 2299 |
| 4 | 🇵🇪IMSoriano Quispe, Ivan Excender | 2369 | ½ | ½ | ½ | * | ½ | ½ | 0 | 1 | 1 | 1 | 5.5 | 21.25 | 39.5 | -13.6 | 2296 |
| 5 | 🇺🇸Guo, Felix | 2111 | ½ | ½ | 0 | ½ | * | 1 | 0 | ½ | 1 | 1 | 5.0 | 19.50 | 40.0 | +74.9 | 2283 |
| 6 | 🇺🇸FMVenkatesh, Narayan | 2288 | 0 | ½ | ½ | ½ | 0 | * | 1 | 0 | 1 | 1 | 4.5 | 16.50 | 40.5 | -29.2 | 2220 |
| 7 | 🇨🇦CMDoknjas, Neil | 2242 | 0 | 0 | ½ | 1 | 1 | 0 | * | ½ | 0 | 1 | 4.0 | 15.75 | 41.0 | -13.0 | 2182 |
| 8 | 🇺🇸FMLiu, Patrick | 2211 | 0 | ½ | 0 | 0 | ½ | 1 | ½ | * | ½ | 0 | 3.0 | 13.50 | 42.0 | -36.0 | 2104 |
| 9 | 🇺🇸CMChinni, Rishabh | 2120 | 0 | 0 | ½ | 0 | 0 | 0 | 1 | ½ | * | 1 | 3.0 | 9.25 | 42.0 | -5.3 | 2114 |
| 10 | 🇮🇳Sanat Singhal | 1927 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | * | 1.0 | 3.00 | 44.0 | -5.4 | 1895 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Guo, FelixUSA+74.95.0 pts · #5
- 2Guo, EthanFMUSA+13.86.0 pts · #2
- 3Flores Quillas, Diego Saul RodriIMPER+8.87.5 pts · #1
- 1Liu, PatrickFMUSA-36.03.0 pts · #8
- 2Venkatesh, NarayanFMUSA-29.24.5 pts · #6
- 3Soriano Quispe, Ivan ExcenderIMPER-13.65.5 pts · #4
- R3+284 Elo gap
- R3+177 Elo gap
- R2+127 Elo gap