Berrios, Miguel
Current rating: 1468
Record: 9-12
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 314 | Pfeil, Vernon (1500) | Lost 1-2 | -171433 |
| 2sealed | 394 | Loehr, Daniel (1376) | Won 2-0 | +171450 |
| 3sealed | 311 | Giurlani, Cole (1466) | Lost 1-2 | -181432 |
| 4sealed | 481 | Jenkins, Tracie (1421) | Won 2-1 | +181450 |
| 5sealed | 313 | Wallerstein, Robert (1793) | Won 2-0 | +241474 |
| 6sealed | 231 | Morenz, Will (1422) | Won 2-0 | +171491 |
| 7sealed | 111 | Leech, Shea (1794) | Lost 1-2 | -131478 |
| 8sealed | 256 | Yu, Jarvis (1937) | Lost 0-2 | -101468 |
| top | average opponent: 1589record: 4-4 | new rating: 1468 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 338 | Wojcieszak, Paul (1500) | Lost 0-2 | -171449 |
| 2sealed | 482 | Smallwood, Kent (1482) | Won 2-1 | +181467 |
| 3sealed | 350 | Yanyuk, Andrey (1499) | Lost 0-2 | -171450 |
| top | average opponent: 1494record: 1-2 | new rating: 1450 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Price, Greg (1500) | Lost 0-2 | -171446 |
| 2sealed | 428 | Crocker, Cyril T (1429) | Won 2-0 | +181464 |
| 3sealed | 407 | Gapinski, Trevor (1500) | Lost 1-2 | -181446 |
| 4sealed | 439 | Ng, Sherwin (1484) | Won 2-0 | +191465 |
| 5sealed | 267 | Hemmann, Joseph (1506) | Won 2-0 | +191484 |
| 6sealed | 225 | Giffen, Alexander (1501) | Lost 1-2 | -181466 |
| top | average opponent: 1487record: 3-3 | new rating: 1466 | ||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 63 | Boggemes, Kyle (1482) | Lost 0-2 | -181482 |
| 2sealed | 147 | Poljanac, Matthew (1504) | Won 2-1 | +181500 |
| 3sealed | 88 | Krickow, Ryan (1482) | Lost 0-2 | -181482 |
| 4sealed | 207 | Maddock, Todd (1447) | Lost 1-2 | -191463 |
| top | average opponent: 1479record: 1-3 | new rating: 1463 | ||