Brooks, Donald
Current rating: 1439
Record: 16-21-2
| Grand Prix Columbus 2016 (legacy) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 54 | Wareham, Matt (1561) | Lost 1-2 | -161451 |
| 2legacy | 683 | Hayes, David (1547) | Lost 1-2 | -161435 |
| 3legacy | 783 | Anderson, Jon (1399) | Won 2-1 | +171452 |
| 4legacy | 634 | Bower, James (1431) | Lost 1-2 | -181434 |
| 5legacy | 772 | Salgado, Brandon (1447) | Lost 1-2 | -181416 |
| 6legacy | 746 | Purcey, Justin (1448) | Won 2-0 | +191435 |
| 7legacy | 639 | Slease, Jacob (1445) | Won 2-1 | +181453 |
| 8legacy | 549 | Woo, Paul (1716) | Lost 0-2 | -141439 |
| top | average opponent: 1499record: 3-5 | new rating: 1439 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Horner, Justin (1466) | Lost 0-2 | -181427 |
| 2sealed | 394 | Gentile, Greg (1447) | Won 2-1 | +191446 |
| 3sealed | 472 | Cavage, Andy (1499) | Lost 1-2 | -171429 |
| 4sealed | 416 | Hitchcock, Ian (1473) | Won 2-0 | +181447 |
| 5sealed | 328 | Vincent, Anthony (1496) | Draw 1-1 | +11448 |
| 6sealed | 345 | Somerville, Michael (1473) | Won 2-1 | +191467 |
| 7sealed | 33 | Mickel, Freddy (1476) | Won 2-0 | +181485 |
| 8sealed | 180 | Kraft IV, Frederick (1510) | Lost 0-2 | -181467 |
| top | average opponent: 1480record: 4-3-1 | new rating: 1467 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 44 | De Blois-Richer, Christophe (1477) | Lost 1-2 | -171434 |
| 3legacy | 353 | Clarke, Davies (1483) | Won 2-0 | +191453 |
| 4legacy | 223 | Suarez, Jonathan (1753) | Won 2-1 | +231476 |
| 5legacy | 266 | Moreno, Joseph (1494) | Lost 0-2 | -181458 |
| 6legacy | 282 | Labelle, Olivier (1541) | Lost 0-2 | -161442 |
| 7legacy | 295 | Laufer, Max (1447) | Draw 1-1 | 01442 |
| 8legacy | 253 | Cooper, John (1497) | Lost 0-2 | -171425 |
| 9legacy | 211 | Durocher, Vincent C (1529) | Won 2-0 | +201445 |
| top | average opponent: 1528record: 3-4-1 | new rating: 1445 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1104 | Cannaverde, Tatiana (1500) | Won 2-0 | +181500 |
| 2sealed | 628 | Day, Miranda (1518) | Lost 0-2 | -171483 |
| 3sealed | 358 | Dumoski, Stephanie (1482) | Won 2-0 | +181501 |
| 4sealed | 136 | Strunk, Michael (1724) | Lost 0-0 | -141487 |
| 5sealed | 240 | Izaguirre, Jonathan (1500) | Lost 0-2 | -181469 |
| 6sealed | 298 | Gibson, David (1481) | Lost 0-2 | -181451 |
| top | average opponent: 1534record: 2-4 | new rating: 1451 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 877 | Kriner, Michael (1500) | Won 2-1 | +181518 |
| 2modern | 792 | Godon, Carl (1501) | Lost 1-2 | -181500 |
| 3modern | 982 | Rose, Phil (1360) | Lost 0-2 | -211479 |
| 4modern | 1128 | Zahnzinger, Zachary (1481) | Won 2-0 | +181497 |
| 5modern | 1051 | Phipps, Corey (1555) | Lost 1-2 | -171480 |
| 6modern | 1071 | Davison, Alex (1485) | Won 2-0 | +181498 |
| 7modern | 978 | Pare, Eric (1607) | Lost 0-2 | -161482 |
| 8modern | 935 | Clark, Cassandra (1478) | Lost 1-2 | -181464 |
| 9modern | 884 | Shrestha, Bishwa (1461) | Won 2-0 | +181482 |
| top | average opponent: 1492record: 4-5 | new rating: 1482 | ||