Mandelbaum, Taiki
Current rating: 1538
Record: 5-3
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 495 | Hanson, Ryan (1500) | Lost 1-2 | -181482 |
| 2modern | 543 | Choi, Michael (1520) | Lost 0-2 | -171465 |
| 3modern | 782 | Ledesma, Zach (1394) | Lost 0-2 | -201445 |
| 4modern | 826 | Agee, Austin (1434) | Won 2-1 | +181463 |
| 5modern | 700 | Schwartz, Austin (1467) | Won 2-1 | +181481 |
| 6modern | 528 | Stone, Shawn (1484) | Won 2-0 | +181499 |
| 7modern | 383 | Huteson, Tom (1730) | Won 2-0 | +221521 |
| 8modern | 334 | Delucchi, Brian (1465) | Won 2-1 | +171538 |
| average opponent: 1499record: 5-3 | new rating: 1538 | |||