Blumenstein, Freddy
Current rating: 1503
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Burgold, Lino (1489) | Lost 0-2 | -191505 |
| 2sealed | 245 | Rauser, Thomas (1434) | Won 2-0 | +171522 |
| 3sealed | 167 | Plate, Martin (1499) | Won 2-1 | +171539 |
| 4sealed | 202 | Audejean, Vincent (1605) | Lost 1-2 | -161523 |
| 5sealed | 164 | Deltour, Louis (1451) | Lost 0-2 | -201503 |
| top | average opponent: 1495record: 2-3 | new rating: 1503 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 20 | Ceracchini, Augusto (1517) | Lost 0-2 | -181539 |
| 3sealed | 155 | Passow, Christopher (1501) | Won 2-0 | +171556 |
| 4sealed | 77 | Worner, Jurgen (1547) | Lost 0-2 | -181538 |
| 5sealed | 126 | Diener, Dominik (1502) | Won 2-1 | +171555 |
| 6sealed | 81 | Engelhardt, Martin (1519) | Won 2-0 | +171572 |
| 7sealed | 62 | Siron, Geoffrey (1754) | Lost 1-2 | -141558 |
| 8sealed | 82 | Bohringer, Steffen (1611) | Lost 1-2 | -171541 |
| 9sealed | 87 | Vystejn, Jiri (1601) | Lost 1-2 | -171524 |
| top | average opponent: 1569record: 3-5 | new rating: 1524 | ||
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 139 | Schmidt, Nicolas (1518) | Won 2-0 | +181518 |
| 3sealed | 25 | Kreutzberger, Denny (1537) | Won 2-0 | +191537 |
| 4sealed | 90 | De La Fosse, Sebastien (1546) | Won 2-1 | +181555 |
| 5sealed | 6 | Krebs, Christian (1539) | Won 2-1 | +181573 |
| 6sealed | 3 | Lemoine, Vincent (1724) | Lost 0-2 | -161557 |
| top | average opponent: 1573record: 4-1 | new rating: 1557 | ||