Guillen, Gustavo
Current rating: 1394
Record: 1-7
| Grand Prix Charlotte 2016 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 353 | DiGerolamo, Keith (1465) | Lost 0-2 | -171409 |
| 2modern | 942 | Ingram, Doug (1482) | Lost 1-2 | -171392 |
| 3modern | 1089 | Camp, Kaitlyn (1464) | Won 2-0 | +191411 |
| 4modern | 1128 | Bates, Chris (1464) | Lost 0-2 | -171394 |
| average opponent: 1469record: 1-3 | new rating: 1394 | |||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 176 | Mounts, Kathryn (1500) | Lost 1-2 | -181482 |
| 2sealed | 384 | Larson, William (1464) | Lost 0-2 | -181464 |
| 3sealed | 538 | Tarabula, Brian (1461) | Lost 0-2 | -181446 |
| 4sealed | 507 | Gruici, Daniel (1361) | Lost 0-2 | -201426 |
| average opponent: 1447record: 0-4 | new rating: 1426 | |||