Zastrow, Mekye
Current rating: 1636
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 505 | Griffin, Quinn (1643) | Won 2-1 | +191574 |
| 2sealed | 210 | Acosta, Vincent (1518) | Won 2-0 | +171591 |
| 3sealed | 116 | Barber, Natalie (1450) | Won 2-1 | +161607 |
| 4sealed | 181 | Wohlsdorf, Matt (1721) | Lost 1-2 | -161591 |
| 5sealed | 108 | Engbrecht, Ryan (1567) | Lost 0-2 | -181573 |
| 6sealed | 359 | Moore, Samuel (1489) | Won 2-0 | +161589 |
| 7sealed | 196 | Daratany, George (1519) | Lost 0-2 | -191570 |
| 8sealed | 335 | Kim, Timothy (1519) | Won 2-0 | +171587 |
| 9sealed | 189 | G, Ansgar (1555) | Won 2-0 | +171604 |
| 10draft | 228 | Jerome, Alec (1645) | Won 2-0 | +191623 |
| 11draft | 193 | Lavin, Phil (1562) | Won 0-0 | +171640 |
| 12draft | 205 | Hwang, Jason (1598) | Lost 0-2 | -191621 |
| 13draft | 188 | Tweedly, Jarrid (1528) | Lost 1-2 | -201601 |
| 14draft | 107 | Sendaydiego, Curt (1599) | Won 2-0 | +181619 |
| 15draft | 65 | Hernandez, Steven (1564) | Won 2-0 | +171636 |
| top | average opponent: 1565record: 10-5 | new rating: 1636 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 225 | Linnane, Patrick (1518) | Won 2-0 | +181524 |
| 4sealed | 93 | Nguyen, Justin (1760) | Won 2-0 | +231547 |
| 5sealed | 225 | Freedman, Henry (1615) | Lost 1-2 | -171530 |
| 6sealed | 225 | Schaefer, Maclean (1559) | Draw 1-1 | 01530 |
| 7sealed | 225 | Bencivenga, Dominic (1571) | Won 2-1 | +191549 |
| 8sealed | 74 | Gatica, Miguel (1858) | Lost 1-2 | -121537 |
| 9sealed | 145 | Fox, Niki (1554) | Won 2-0 | +181555 |
| top | average opponent: 1634record: 4-2-1 | new rating: 1555 | ||
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 7 | Howe, Joshua (1470) | Won 2-1 | +171517 |
| 2extended | 132 | Ung, William (1500) | Won 2-1 | +181535 |
| 3extended | 94 | Chung, Wilhelm (1536) | Won 2-0 | +181553 |
| 4extended | 9 | Kesteloo, Peter (1701) | Lost 1-2 | -151538 |
| 5extended | 97 | Hemedinger, Alexander (1528) | Lost 0-2 | -181520 |
| 6extended | 154 | Malin, Antti (1769) | Lost 1-2 | -141506 |
| top | average opponent: 1584record: 3-3 | new rating: 1506 | ||