Olszowy, Jonathan
Current rating: 1506
Record: 4-5-1
| MagicCon Las Vegas 2023 Limited Open (WOE limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3262 | Higdon, Michael (1474) | Won 2-0 | +181543 |
| 2sealed | 3231 | daniels, grant (1514) | Draw 1-1 | -11542 |
| 3sealed | 3186 | Cook, Tanner (1520) | Lost 1-2 | -181524 |
| 4sealed | 3363 | Smith, Peter (1531) | Lost 0-2 | -181506 |
| average opponent: 1510record: 1-2-1 | new rating: 1506 | |||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 9 | Hwang, Daniel (1745) | Won 2-1 | +221522 |
| 4sealed | 67 | Yukuhiro, Ken (1957) | Lost 1-2 | -101512 |
| 5sealed | 194 | Halucha, Robert (1509) | Won 2-1 | +181530 |
| 6sealed | 155 | Berkowitz, Jordan (1780) | Won 2-0 | +221552 |
| 7sealed | 36 | Phillips, Cassandra (1743) | Lost 0-2 | -141538 |
| 8sealed | 186 | Ritner, Ronnie (1868) | Lost 0-2 | -131525 |
| average opponent: 1767record: 3-3 | new rating: 1525 | |||