Brina, Marco
Current rating: 1374
| Regional Championships Athens 2023 (pioneer) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 112 | Holmberg, Gustav (1475) | Won 2-0 | +181449 |
| 2pioneer | 36 | Goddard, Sean (1965) | Lost 0-2 | -91440 |
| 3pioneer | 110 | Leicht, Markus (1562) | Lost 0-2 | -161424 |
| 4pioneer | 197 | Potts, Dom (1501) | Lost 1-2 | -161408 |
| 5pioneer | 184 | Gorgeri, Alessio (1492) | Lost 1-2 | -171391 |
| 6pioneer | 193 | Arjona, Ivan (1427) | Lost 1-2 | -171374 |
| top | average opponent: 1570record: 1-5 | new rating: 1374 | ||
| Grand Prix Barcelona 2019 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 292 | Navacerrada Torras, Josep Albert (1477) | Lost 0-2 | -181446 |
| 2modern | 400 | Segura Monterde, Sergi (1505) | Won 2-1 | +191465 |
| 3modern | 560 | Akram, Shumon (1610) | Won 2-1 | +211486 |
| 4modern | 310 | Vogel, Gaetan (1385) | Lost 0-2 | -201466 |
| 5modern | 521 | Silveri, Mattia (1494) | Lost 1-2 | -171449 |
| 6modern | 562 | Vanbockstael, Theophile (1452) | Lost 1-2 | -181431 |
| top | average opponent: 1487record: 2-4 | new rating: 1431 | ||
| Grand Prix Bologna 2005 (SOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Schaffranietz, Ervin (1500) | Lost 1-2 | -181482 |
| 2sealed | 197 | Gualco, Daniele (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||