Iosso, Keith
Current rating: 1516
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 448 | Ng, Nick (1466) | Lost 0-2 | -191504 |
| 2standard | 507 | Koch, Alexander (1411) | Won 2-0 | +161520 |
| 3standard | 524 | Verrall, Nicholas (1496) | Won 2-1 | +181538 |
| 4standard | 245 | Priest, Teddy (1508) | Won 2-1 | +171555 |
| 5standard | 3002 | Beckman, Ryan (1478) | Lost 0-2 | -191536 |
| 6standard | 241 | Gibson, Justice (1497) | Lost 1-2 | -191517 |
| 7standard | 367 | Johnston, Jon (1481) | Won 2-0 | +181535 |
| 8standard | 280 | Logsdon, Tai (1472) | Lost 1-2 | -191516 |
| top | average opponent: 1476record: 4-4 | new rating: 1516 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 46 | Pierce, Chad (1519) | Won 1-0 | +181554 |
| 3standard | 229 | Oda, Hideto (1586) | Lost 0-2 | -171537 |
| 4standard | 457 | Stelford, Preston (1559) | Draw 1-1 | 01537 |
| 5standard | 345 | Edelson, Jordan (1616) | Won 2-0 | +201557 |
| 6standard | 212 | Asbach, John (1722) | Lost 0-2 | -151542 |
| 7standard | 361 | Espy, Jacob (1526) | Lost 0-2 | -191523 |
| top | average opponent: 1588record: 2-3-1 | new rating: 1523 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 383 | Harrison, Christopher (1446) | Won 2-0 | +171517 |
| 2sealed | 146 | Van der Star, Alex (1655) | Lost 1-2 | -151502 |
| 3sealed | 544 | Liu, Jimmy (1500) | Won 0-0 | +171519 |
| 4sealed | 489 | Marshall, Mackenzie (1517) | Won 2-0 | +181537 |
| 5sealed | 225 | Gottesman, Dylan (1518) | Won 2-0 | +181555 |
| 6sealed | 126 | Anaka, Mike (1527) | Won 2-0 | +181573 |
| 7sealed | 48 | Thomas, Evan (1538) | Draw 1-1 | -11572 |
| 8sealed | 85 | Adelmund, Mathew (1573) | Lost 1-2 | -181554 |
| 9sealed | 154 | Ward, Matthew [CAN] (1561) | Won 2-0 | +181572 |
| 10draft | 172 | Aw, Roland (1608) | Lost 0-2 | -171555 |
| 11draft | 197 | Toma, Jesse (1584) | Draw 1-1 | 01555 |
| 12draft | 73 | Nash, Spencer (1507) | Lost 1-2 | -191536 |
| top | average opponent: 1545record: 6-4-2 | new rating: 1536 | ||