Ibarrientos, Irwin
Current rating: 1438
Record: 5-9
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 569 | Mattias, John (1472) | Lost 0-2 | -181446 |
| 2sealed | 682 | Nguyen, Andrew (1473) | Won 2-1 | +191465 |
| 3sealed | 516 | Auditore, Ezio (1504) | Lost 0-2 | -181447 |
| 4sealed | 717 | Favaro, Tim (1492) | Won 2-0 | +191466 |
| 5sealed | 468 | Mirman, Zachary (1473) | Won 2-1 | +181484 |
| 6sealed | 390 | Smyth, Jason (1848) | Lost 0-2 | -111473 |
| 7sealed | 446 | Harvey, Kyle (1509) | Lost 0-2 | -181455 |
| 8sealed | 491 | Weis, Kevin (1486) | Lost 0-2 | -171438 |
| average opponent: 1532record: 3-5 | new rating: 1438 | |||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 341 | La Rocco, Victor (1482) | Lost 0-2 | -181482 |
| 2standard | 710 | Garrison, Donny (1481) | Won 2-0 | +181500 |
| 3standard | 566 | Then, Luke (1517) | Won 2-1 | +181518 |
| 4standard | 537 | Rhinebeck, Lyle (1519) | Lost 0-2 | -181500 |
| 5standard | 465 | Peng, Tianjian (1500) | Lost 0-2 | -181482 |
| 6standard | 634 | Harrison, Eric (1482) | Lost 0-2 | -181464 |
| average opponent: 1497record: 2-4 | new rating: 1464 | |||