Ikeda, Tatsuya
Current rating: 1425
Record: 6-10
| Grand Prix Portland 2018 (modern) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 593 | Christopher, Michael (1646) | Lost 0-2 | -161524 |
| 2modern | 598 | Brattain, Sebastian (1388) | Lost 0-2 | -211503 |
| 3modern | 745 | Crawford, Alicia (1428) | Lost 1-2 | -191484 |
| 4modern | 810 | Sparling, Bryon (1359) | Won 2-0 | +161500 |
| 5modern | 752 | Magdaleno, Mike (1600) | Lost 1-2 | -161484 |
| 6modern | 653 | Cox, Jay (1322) | Lost 1-2 | -211463 |
| 7modern | 542 | Butensky, Max (1424) | Lost 1-2 | -191444 |
| 8modern | 435 | Sayre III, Edward (1408) | Lost 0-2 | -191425 |
| average opponent: 1447record: 1-7 | new rating: 1425 | |||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 85 | Mcnair, Justin (1502) | Lost 1-2 | -181482 |
| 2standard | 429 | Balles, Domingo (1467) | Won 2-0 | +181500 |
| 3standard | 492 | Shestock, Billy (1468) | Won 2-0 | +171517 |
| 4standard | 410 | Suzuki, Anthony (1603) | Lost 1-2 | -161501 |
| 5standard | 451 | Sosne, Michael (1499) | Won 2-1 | +181519 |
| 6standard | 329 | Wilson, Chase (1703) | Lost 1-2 | -151504 |
| 7standard | 352 | Lapworth, Tim (1499) | Won 2-1 | +181522 |
| 8standard | 282 | Harris, Madelyn (1524) | Won 2-1 | +181540 |
| average opponent: 1533record: 5-3 | new rating: 1540 | |||