Bloom, Brian
Current rating: 1426
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 356 | Rommel, Justin (1500) | Won 2-1 | +191456 |
| 2standard | 247 | Xing, Tinac (1466) | Lost 1-2 | -181438 |
| 3standard | 413 | Jacobson, Mary (1556) | Lost 0-2 | -161422 |
| 4standard | 616 | PrudHomme, Mario (1482) | Won 2-0 | +191441 |
| 5standard | 475 | Pappas, Jonathan (1502) | Draw 1-1 | +11442 |
| 6standard | 427 | Jagger, Greg (1519) | Lost 0-2 | -161426 |
| top | average opponent: 1504record: 2-3-1 | new rating: 1426 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 278 | Peters, Brian (1474) | Lost 1-2 | -181448 |
| 2standard | 257 | Su, John (1484) | Won 2-0 | +191467 |
| 3standard | 305 | Scixus, Edward (1500) | Won 2-0 | +181485 |
| 4standard | 179 | Kuzia, Derek K (1518) | Lost 1-2 | -171468 |
| 5standard | 284 | Utter-Leyton, Josh (1705) | Lost 1-2 | -141454 |
| 6standard | 280 | Hargett, Jason K (1482) | Lost 0-2 | -171437 |
| top | average opponent: 1527record: 2-4 | new rating: 1437 | ||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Day, Michael (1500) | Lost 0-2 | -181482 |
| 2sealed | 343 | Steel, Denise (1482) | Won 2-0 | +181500 |
| 3sealed | 144 | Jurgevich, Joseph (1518) | Lost 1-2 | -181482 |
| 4sealed | 325 | Cummings, Brent (1482) | Won 2-0 | +181500 |
| 5sealed | 230 | Edmister, Rick (1500) | Won 2-0 | +181518 |
| 6sealed | 170 | Yohman, Michael (1478) | Lost 0-2 | -181500 |
| 7sealed | 189 | Taylor, Eric (1621) | Lost 0-2 | -161484 |
| 8sealed | 162 | Plachta, Jake (1481) | Lost 0-2 | -181466 |
| top | average opponent: 1508record: 3-5 | new rating: 1466 | ||