Grueso, Sergio
Current rating: 1621
Record: 14-9
| Regional Championships Lille 2023 (pioneer) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 241 | Fonseca, Jose (1650) | Won 2-1 | +191616 |
| 2pioneer | 49 | Nikitin, Aleksandr (1628) | Won 2-0 | +191635 |
| 3pioneer | 57 | Agricola, Giulio (1545) | Lost 1-2 | -201615 |
| 4pioneer | 143 | Halldorsson, Andreas (1520) | Won 2-1 | +161631 |
| 5pioneer | 89 | Del Moral Leon, Antonio (2069) | Won 2-1 | +261657 |
| 6pioneer | 46 | Barreteau, Eliott (1565) | Won 2-1 | +161673 |
| 7pioneer | 13 | Batten, Neal (1582) | Lost 0-2 | -201653 |
| 8pioneer | 66 | Torres, Bernardo (1932) | Lost 1-2 | -131640 |
| 9pioneer | 62 | Laiti, Topi (1551) | Lost 0-2 | -191621 |
| average opponent: 1671record: 5-4 | new rating: 1621 | |||
| MagicCon Barcelona 2023 Limited Open (LTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3070 | Luescher, Sascha (1923) | Lost 0-2 | -111489 |
| 2sealed | 3169 | Sinigoi, Michele (1764) | Lost 0-2 | -131476 |
| 3sealed | 3207 | Trujillo, Esther (1552) | Won 2-0 | +201496 |
| 4sealed | 3120 | Hilmer, Jan (1494) | Won 2-1 | +181514 |
| 5sealed | 3126 | Galrito, Joao (1509) | Won 2-1 | +171531 |
| 6sealed | 3053 | Ulke, Dominic (1929) | Won 2-0 | +251556 |
| 7sealed | 3042 | Bernard, Laurent (1670) | Won 2-1 | +201576 |
| 8sealed | 3035 | Cullinan, Kevin (1460) | Won 2-1 | +161592 |
| 9draft | 3369 | Reitbauer, David (1910) | Lost 1-2 | -121580 |
| 10draft | 3369 | Jaeger, Jonathan (1571) | Lost 1-2 | -181562 |
| 11draft | 3363 | Mazzocco, Andrea (1592) | Won 2-1 | +181580 |
| 12draft | 3357 | Jaeger, Jonathan (1574) | Lost 0-2 | -181562 |
| 13draft | 3364 | Schnelle, Rene (1567) | Won 2-1 | +181580 |
| 14draft | 3357 | Koga, Bruno (1539) | Won 2-1 | +171597 |
| average opponent: 1647record: 9-5 | new rating: 1597 | |||