Barrett, Kristoffer
Current rating: 1611
Record: 18-12-2
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 869 | Mabie, Bryan (1615) | Won 2-1 | +201551 |
| 2sealed | 601 | Montoya, Brandon (1835) | Draw 1-1 | +51556 |
| 3sealed | 840 | Guo, Yikun (1518) | Won 2-1 | +171573 |
| 4sealed | 713 | Robinson, Tyronne (1535) | Lost 0-2 | -181555 |
| 5sealed | 843 | Noble, Thayer (1517) | Won 2-1 | +171572 |
| 6sealed | 735 | Freeman, Michael (1613) | Won 2-1 | +191591 |
| 7sealed | 656 | Sorrells, Aaron (1591) | Lost 1-2 | -181573 |
| 8sealed | 739 | Punch, Taylor (1592) | Won 2-0 | +181591 |
| 9sealed | 675 | Ugale, Ashwin (1799) | Won 2-0 | +221613 |
| 10draft | 727 | Holthouser, Bryan (1635) | Won 2-1 | +181631 |
| 11draft | 728 | Sorrells, Aaron (1641) | Lost 0-2 | -181613 |
| 12draft | 723 | Nunnally, Daniel (1554) | Won 2-0 | +171630 |
| 13draft | 715 | Sprouse, Sean (1560) | Lost 0-2 | -191611 |
| top | average opponent: 1616record: 8-4-1 | new rating: 1611 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Brower, Josh (1517) | Lost 0-2 | -191552 |
| 2modern | 510 | Cirino, Thomas (1482) | Lost 0-2 | -191533 |
| 3modern | 530 | Rothermund, Chad (1464) | Draw 1-1 | -21531 |
| top | average opponent: 1488record: 0-2-1 | new rating: 1531 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Williams, Chris (1489) | Won 2-0 | +171557 |
| 2sealed | 114 | Martin, Elias A (1558) | Lost 0-2 | -181539 |
| 3sealed | 304 | Geda, Bryce (1547) | Won 2-1 | +181557 |
| 4sealed | 304 | Dockery, Jamie (1517) | Lost 1-2 | -191538 |
| 5sealed | 346 | Womick, David (1500) | Won 2-1 | +181556 |
| 6sealed | 311 | Hudson, Josh D (1501) | Won 2-0 | +171573 |
| 7sealed | 199 | Leveille, Tom (1526) | Won 2-0 | +171590 |
| 8sealed | 143 | Dennis B., (1537) | Lost 1-2 | -191571 |
| top | average opponent: 1522record: 5-3 | new rating: 1571 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 28 | Fay, Dylan (1518) | Won 2-0 | +181518 |
| 3standard | 108 | Clark, Brooks (1591) | Won 2-0 | +201538 |
| 4standard | 33 | Bartholomew, Michael (1465) | Won 2-0 | +161554 |
| 5standard | 38 | Burnham, James (1640) | Won 2-0 | +201574 |
| 6standard | 33 | Ziemba, Brian (1537) | Lost 0-2 | -191555 |
| 7standard | 40 | Keaveny, Joseph (1752) | Lost 0-2 | -141541 |
| 8standard | 110 | Sardinas, Oscar (1525) | Lost 0-2 | -191522 |
| 9standard | 170 | Demarco, Steadman (1491) | Won 2-1 | +181540 |
| top | average opponent: 1565record: 5-3 | new rating: 1540 | ||