Arriagada, Sergio
Current rating: 1511
Record: 9-8-3
| Regional Championships Santiago 2023 Cycle 4 (pioneer) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 68 | Barzola, Juan Pablo (1593) | Lost 0-2 | -181530 |
| 2pioneer | 56 | Campuzano, Luis (1482) | Won 2-0 | +181548 |
| 3pioneer | 14 | Villar Bazan, Carlos (1484) | Draw 1-1 | -21546 |
| 4pioneer | 38 | Oyarzun Constabel, Sebastian (1605) | Lost 0-2 | -171529 |
| 5pioneer | 51 | Santibanez, Cesar (1478) | Lost 1-2 | -181511 |
| top | average opponent: 1528record: 1-3-1 | new rating: 1511 | ||
| Regional Championships Santiago 2023 (ONE standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Figueroa, Bastian (1407) | Won 2-0 | +151570 |
| 2standard | 38 | Gonzalez, Fernando (1407) | Lost 0-2 | -211549 |
| 3standard | 12 | Rojas, Benjamin (1696) | Lost 1-2 | -151534 |
| 4standard | 35 | Rojas, Luis (1518) | Draw 1-1 | -11533 |
| 5standard | 44 | Rivera Aguilera, Gustavo (1486) | Lost 1-2 | -181515 |
| 6standard | 45 | Cuello, Pablo (1431) | Draw 1-1 | -21513 |
| 7standard | 38 | Alberto Fredes Gonzalez, Javier Alejandro (1464) | Won 2-0 | +171530 |
| 8standard | 31 | Vega Parra, Francisco (1504) | Won 2-0 | +181548 |
| top | average opponent: 1489record: 3-3-2 | new rating: 1548 | ||
| Grand Prix Santiago 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 29 | Castro, Miguel 2 (1537) | Won 2-0 | +191519 |
| 2block | 46 | Hochberger, Konrad (1518) | Won 2-0 | +181537 |
| 3block | 5 | Gonzalez, Mauricio G (1536) | Lost 1-2 | -181519 |
| 4block | 56 | Lagos, Jaime (1520) | Lost 1-2 | -181501 |
| 5block | 86 | Munoz, Andres (1500) | Won 2-0 | +181519 |
| 6block | 60 | Orellana, Eduardo (1517) | Won 2-0 | +181537 |
| 7block | 33 | Guinez Leiva, Yerko Antonio (1536) | Won 2-0 | +181555 |
| top | average opponent: 1523record: 5-2 | new rating: 1555 | ||