Iwamoto, Ryan
Current rating: 1466
Record: 17-19
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 189 | Ritchlin, Nathan (1500) | Lost 1-2 | -191501 |
| 2modern | 619 | Pearson, Austin (1577) | Lost 1-2 | -161485 |
| 3modern | 783 | Bloxham, Jack (1422) | Won 2-1 | +171502 |
| 4modern | 680 | Friesen, Yascha (1515) | Lost 0-2 | -181484 |
| 5modern | 718 | Gardiner, Grant (1485) | Lost 1-2 | -181466 |
| top | average opponent: 1500record: 1-4 | new rating: 1466 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 90 | Reff, Jude (1500) | Won 2-0 | +181522 |
| 2modern | 78 | Pearson, Austin (1583) | Lost 0-2 | -171505 |
| 3modern | 602 | Reyna, Ryan (1378) | Lost 1-2 | -201485 |
| 4modern | 697 | Martinez, Joseph (1452) | Won 2-0 | +171502 |
| 5modern | 637 | Schoonover, Kaden (1548) | Won 2-0 | +191521 |
| 6modern | 332 | Warren, Chad (1470) | Won 2-0 | +171538 |
| 7modern | 353 | Stewart, Tyrrell (1536) | Lost 1-2 | -181520 |
| top | average opponent: 1495record: 4-3 | new rating: 1520 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 99 | Hubler, Tyler (1500) | Won 2-1 | +191505 |
| 2modern | 135 | Geary, Caleb (1576) | Won 2-1 | +191524 |
| 3modern | 6 | Gonzalez, Gabriel (1517) | Won 2-0 | +181542 |
| 4modern | 142 | Bagen, Timothy (1557) | Won 2-1 | +181560 |
| 5modern | 6 | Gurule, Kyle (1467) | Lost 0-2 | -201540 |
| 6modern | 162 | Unger, Daniel (1513) | Lost 1-2 | -181522 |
| 7modern | 284 | Way, Dustin (1510) | Lost 0-2 | -181504 |
| top | average opponent: 1520record: 4-3 | new rating: 1504 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 517 | Pepper, Lindsay (1427) | Won 2-0 | +171484 |
| 2modern | 347 | Lance, John (1483) | Won 2-1 | +181502 |
| 3modern | 223 | North, Robert (1636) | Won 2-1 | +211523 |
| 4modern | 197 | Klemic, Michael (1514) | Won 2-0 | +171540 |
| 5modern | 67 | Oakes, Connor (1555) | Lost 0-2 | -171523 |
| 6modern | 106 | Montoya, Thomas (1514) | Lost 1-2 | -191504 |
| 7modern | 417 | Thorlakson, Neil (1405) | Lost 1-2 | -191485 |
| 8modern | 534 | Cortez, Prince (1490) | Won 2-0 | +181503 |
| 9modern | 315 | Price, Andrew (1598) | Lost 1-2 | -171486 |
| top | average opponent: 1514record: 5-4 | new rating: 1486 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 544 | Djokic, Niko (1500) | Lost 0-2 | -181482 |
| 2standard | 576 | DeLuca, Philip (1482) | Lost 1-2 | -181464 |
| 3standard | 743 | Landers, Nathaniel (1464) | Won 2-1 | +181482 |
| 4standard | 619 | Garcia, Erik (1451) | Lost 1-2 | -191463 |
| 5standard | 671 | Moody, Cameron (1464) | Lost 1-2 | -181445 |
| 6standard | 624 | Jacobs, John (1578) | Won 2-1 | +211466 |
| 7standard | 493 | Winans, Andrew (1480) | Won 2-0 | +181484 |
| 8standard | 359 | Ballardo, David (1523) | Lost 1-2 | -171467 |
| top | average opponent: 1493record: 3-5 | new rating: 1467 | ||