Yamasaki, Youki
Current rating: 1508
| Grand Prix Portland 2018 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 63 | Pendergast, Andrew (1532) | Won 2-1 | +191507 |
| 2modern | 8 | Woodson, Wyatt (1499) | Lost 0-2 | -191488 |
| 3modern | 716 | Mennell, Robert (1500) | Won 2-0 | +191507 |
| 4modern | 382 | Young, Kelvin (1629) | Won 2-1 | +201527 |
| 5modern | 163 | Berry, Mike (1541) | Lost 1-2 | -181509 |
| 6modern | 380 | Enns, Galen (1441) | Won 2-1 | +171526 |
| 7modern | 185 | Nguyen, Johny (1505) | Lost 0-2 | -181508 |
| top | average opponent: 1521record: 4-3 | new rating: 1508 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 37 | Locker, Jeremy (1500) | Won 2-0 | +191500 |
| 2modern | 100 | Solis, Mario (1518) | Lost 0-2 | -181482 |
| 3modern | 326 | Dominguez, Luis (1484) | Won 2-1 | +181500 |
| 4modern | 297 | Eighmy, Bradley (1481) | Won 2-1 | +181518 |
| 5modern | 202 | Jacob, Conor (1766) | Lost 1-2 | -141504 |
| 6modern | 371 | Clark, Tyler (1595) | Lost 1-2 | -161488 |
| top | average opponent: 1558record: 3-3 | new rating: 1488 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 512 | Anderson, Julian (1500) | Won 2-0 | +181518 |
| 2modern | 218 | Peltz, Brian (1551) | Lost 1-2 | -171501 |
| 3modern | 864 | Barbagelata, Diego (1483) | Lost 1-2 | -191482 |
| 4modern | 921 | Lynes, Michael (1481) | Lost 0-2 | -181464 |
| 5modern | 873 | Ocampo, Jesse (1493) | Won 2-1 | +191483 |
| 6modern | 699 | Creshaw, Cory (1461) | Won 2-1 | +171500 |
| 7modern | 500 | Olgado, Joseph (1442) | Lost 1-2 | -191481 |
| top | average opponent: 1487record: 3-4 | new rating: 1481 | ||