Helsen, Tim
Current rating: 1502
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Vandenborre, Wim (1467) | Lost 0-2 | -191502 |
| 2sealed | 262 | Valkeneers, Koen (1482) | Won 2-0 | +181520 |
| 3sealed | 158 | Baum, Philipp (1515) | Lost 1-2 | -181502 |
| 4sealed | 285 | Van der Auwera, Bert (1548) | Won 2-0 | +181520 |
| 5sealed | 192 | Laghi, Stefano (1495) | Lost 1-2 | -181502 |
| top | average opponent: 1501record: 2-3 | new rating: 1502 | ||
| Grand Prix Cologne 2001 (PLS limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Zidek, Arnost (1519) | Lost 1-2 | -181522 |
| 2sealed | 174 | Walla, Monica (1482) | Won 2-0 | +171539 |
| 3sealed | 201 | Lorenz, Mario (1500) | Won 2-0 | +171556 |
| 4sealed | 64 | Kusmierck, Kevin (1519) | Lost 1-2 | -191537 |
| 5sealed | 148 | van Leeuwen, Arjan (1512) | Won 2-1 | +181555 |
| 6sealed | 137 | Imboden, Alexander (1519) | Lost 1-2 | -191536 |
| 7sealed | 132 | Le Saux, Rafael (1685) | Lost 0-2 | -151521 |
| top | average opponent: 1534record: 3-4 | new rating: 1521 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Ridjic, Dominik (1500) | Lost 1-2 | -181482 |
| 2sealed | 220 | Snijders, Joris (1533) | Lost 1-2 | -171465 |
| 3sealed | 255 | Tuk, Rene (1464) | Won 2-1 | +181483 |
| 4sealed | 210 | Evans, Paul (1501) | Won 2-0 | +181501 |
| 5sealed | 180 | Ansorge, Ulrich (1498) | Won 2-1 | +181519 |
| 6sealed | 132 | Pedersen, Leon (1488) | Won 2-0 | +181537 |
| 7sealed | 96 | Zuercher, Martin (1657) | Lost 0-2 | -161521 |
| 8sealed | 106 | Chanu, Nicolas (1583) | Won 2-1 | +191540 |
| top | average opponent: 1528record: 5-3 | new rating: 1540 | ||