Blumstein, Eduard
Current rating: 1453
| Grand Prix Turin 2018 (M19 limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 85 | Peter, Michael (1894) | Won 2-1 | +251472 |
| 3sealed | 114 | Schulhof, Leo (1800) | Lost 0-2 | -121460 |
| 4sealed | 209 | Zapparoli, Mattia (1587) | Won 2-1 | +201480 |
| 5sealed | 157 | Lechado Artigues, Pedro (1714) | Won 2-0 | +231503 |
| 6sealed | 122 | Lanus, Nicolas (1532) | Lost 0-2 | -181485 |
| 7sealed | 211 | Body, John (1535) | Lost 1-2 | -171468 |
| 8sealed | 223 | Naf, Flavia (1627) | Lost 0-2 | -151453 |
| top | average opponent: 1670record: 3-4 | new rating: 1453 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 195 | Connan, Ivan (1552) | Won 2-1 | +201467 |
| 2sealed | 299 | Adams, Olaf (1575) | Lost 0-2 | -161451 |
| 3sealed | 654 | Aceto, Pierluigi (1776) | Won 2-1 | +241475 |
| 4sealed | 312 | Dabrowski, Michal (1456) | Won 2-0 | +181493 |
| 5sealed | 143 | Milic, Ivan (1541) | Lost 1-2 | -171476 |
| 6sealed | 591 | Bok, Jan (1578) | Lost 0-2 | -171459 |
| 7sealed | 596 | Jones, Craig (1755) | Lost 0-2 | -121447 |
| top | average opponent: 1605record: 3-4 | new rating: 1447 | ||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 85 | Massmann, Marcel (1508) | Lost 1-2 | -181482 |
| 2standard | 266 | Voiteh, Stas (1483) | Lost 0-2 | -181464 |
| 3standard | 535 | Gaudiano, Armando (1465) | Won 2-0 | +181482 |
| 4standard | 466 | Hovelmeier, Niklas (1583) | Lost 0-2 | -161466 |
| 5standard | 508 | Skocki, Michal (1435) | Lost 0-2 | -191447 |
| top | average opponent: 1495record: 1-4 | new rating: 1447 | ||