Baldwin, Keith A
Current rating: 1463
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 25 | Prokop, Mike J (1534) | Lost 0-2 | -171434 |
| 5block | 136 | Hanson, Andrew J (1535) | Lost 1-2 | -161418 |
| 6block | 100 | Raney, Tom (1587) | Won 2-0 | +211439 |
| 7block | 70 | Bulkowski, Jason M (1502) | Won 2-0 | +191458 |
| 8block | 39 | Schiermeyer, Robert (1561) | Won 2-1 | +201478 |
| 9block | 33 | Motchkavitz, Matt (1637) | Lost 1-2 | -151463 |
| top | average opponent: 1559record: 3-3 | new rating: 1463 | ||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 87 | Dervithodlu, Guneth (1500) | Draw 1-1 | 01485 |
| 2block | 170 | Partansky, Alex (1500) | Lost 1-2 | -171468 |
| 3block | 248 | Ngo, Thinh (1482) | Won 2-0 | +181486 |
| 4block | 211 | Shatford, Walter T (1500) | Lost 0-2 | -181468 |
| 5block | 250 | Wegener, Jason M (1481) | Lost 1-2 | -171451 |
| top | average opponent: 1493record: 1-3-1 | new rating: 1451 | ||
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 90 | Stewart, Michael L (1518) | Lost 0-2 | -181482 |
| 3extended | 278 | Eslami, Curtis (1501) | Lost 0-0 | -171465 |
| 4extended | 282 | Galindo, Ramiro (1483) | Won 2-0 | +181483 |
| 5extended | 215 | Morcate, Justin (1568) | Won 2-0 | +201503 |
| 6extended | 146 | Cox, Dustin (1540) | Lost 0-2 | -181485 |
| top | average opponent: 1522record: 2-3 | new rating: 1485 | ||