Oshiro, Jonathan
Current rating: 1418
Record: 13-18-4
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1338 | Proby, Randy (1488) | Lost 0-2 | -181449 |
| 4sealed | 1332 | Geary, Samuel (1451) | Lost 0-2 | -181431 |
| 5sealed | 1352 | Roeder, Bearnard (1498) | Lost 0-2 | -161415 |
| 6sealed | 1357 | Stearns, Scott (1404) | Lost 0-2 | -191396 |
| 7sealed | 1350 | Ahmad, Diego (1517) | Won 2-0 | +211417 |
| 8sealed | 1342 | Baldy, Cairo (1493) | Draw 1-1 | +11418 |
| top | average opponent: 1475record: 1-4-1 | new rating: 1418 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1329 | Miller, Michael 013 (1483) | Lost 0-1 | -181467 |
| 4modern | 1346 | Molsee, Nate (1397) | Won 2-0 | +171484 |
| 5modern | 1336 | Kotwica, Christy (1543) | Draw 1-1 | +11485 |
| 6modern | 1330 | Olson, Wesley (1481) | Won 2-0 | +181503 |
| 7modern | 1316 | Manabat, Philip (1607) | Lost 1-2 | -161487 |
| 8modern | 1327 | Mahoney, Michael (1403) | Lost 0-2 | -201467 |
| top | average opponent: 1486record: 2-3-1 | new rating: 1467 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 53 | Adams, Michael (1485) | Draw 1-1 | -11503 |
| 4modern | 411 | Klainman, Ophir (1501) | Draw 1-1 | 01503 |
| 5modern | 704 | Bell, Jeremy (1535) | Lost 0-2 | -171486 |
| 6modern | 937 | Ahlquist, Chris (1465) | Lost 0-2 | -181468 |
| 7modern | 1025 | Kauffman, Stacey (1377) | Won 2-1 | +161484 |
| 8modern | 802 | Vale, Rafael (1520) | Lost 0-2 | -171467 |
| 9modern | 734 | Vidana, Juan Carlos (1482) | Won 2-0 | +181485 |
| top | average opponent: 1481record: 2-3-2 | new rating: 1485 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 459 | Kearney, Dale (1432) | Lost 0-2 | -191497 |
| 4sealed | 357 | Morgan, David (1527) | Lost 0-2 | -181479 |
| 5sealed | 588 | Kambourakis, Joseph (1867) | Lost 1-2 | -111468 |
| 6sealed | 824 | Pacheco, Jarred (1363) | Won 2-0 | +161484 |
| 7sealed | 662 | Romine, Alexander (1510) | Won 2-0 | +191503 |
| 8sealed | 445 | Moore, Morgan (1522) | Lost 1-2 | -181485 |
| 9sealed | 493 | Stephenson, Nick (1524) | Won 2-0 | +191504 |
| top | average opponent: 1535record: 3-4 | new rating: 1504 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 539 | Herndon, Christopher (1500) | Won 2-1 | +181518 |
| 2standard | 112 | Bakken, Joshua (1467) | Lost 0-1 | -191499 |
| 3standard | 598 | Herington, Isaac (1501) | Lost 0-2 | -181481 |
| 4standard | 708 | Valentine, Joseph (1435) | Won 2-0 | +171498 |
| 5standard | 587 | Larson, Greg (1579) | Lost 0-2 | -161482 |
| 6standard | 630 | McDonald, Jesse (1478) | Lost 1-2 | -181464 |
| 7standard | 569 | Grothe, Jonathan (1430) | Won 2-0 | +171481 |
| 8standard | 446 | Scheirer, Cassandra (1482) | Won 2-1 | +181499 |
| 9standard | 372 | Brewe, Garth (1463) | Won 0-0 | +171516 |
| top | average opponent: 1482record: 5-4 | new rating: 1516 | ||