Classen, Robert
Current rating: 1551
Record: 17-13
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Boj Perez, Israel (1478) | Lost 0-2 | -201538 |
| 2sealed | 196 | Holmberg, Alexander (1509) | Won 2-0 | +181556 |
| 3sealed | 170 | Smits, Daan (1502) | Lost 1-2 | -191537 |
| 4sealed | 216 | Lambrich, Benjamin (1489) | Lost 1-2 | -191518 |
| 5sealed | 186 | Van Broeckhoven, Anthony (1398) | Won 2-1 | +161534 |
| 6sealed | 157 | Biout, Christophe (1498) | Won 2-0 | +171551 |
| top | average opponent: 1479record: 3-3 | new rating: 1551 | ||
| Grand Prix Gothenburg 2003 (MRD limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Vallinder, Aron (1500) | Won 2-1 | +161616 |
| 2sealed | 40 | Magnusson, Petter (1518) | Lost 0-2 | -191597 |
| 3sealed | 124 | Krings, Stefan (1530) | Lost 0-2 | -201577 |
| 4sealed | 199 | Lemming, Jonathan (1487) | Lost 1-2 | -191558 |
| top | average opponent: 1509record: 1-3 | new rating: 1558 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 150 | Man, Chun Wah (1500) | Lost 0-2 | -201588 |
| 2block | 209 | Boehmler, Aaron (1482) | Won 2-1 | +161604 |
| 3block | 181 | Hoenigh, Paulus (1501) | Lost 1-2 | -201584 |
| 4block | 218 | Segnitz, Ole (1484) | Won 2-0 | +161600 |
| top | average opponent: 1492record: 2-2 | new rating: 1600 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Mandemakers, Niels (1500) | Won 2-0 | +171560 |
| 2sealed | 77 | De Walick, Laurent (1516) | Won 2-0 | +171577 |
| 3sealed | 76 | Mezhoud, Hakim (1538) | Won 2-0 | +181595 |
| 4sealed | 51 | Kehren, Gordon (1586) | Won 2-0 | +181613 |
| 5sealed | 8 | Leviez, Benoit (1574) | Won 2-1 | +171630 |
| 6sealed | 11 | Driesenaar, Ben (1591) | Lost 0-2 | -191611 |
| 7sealed | 28 | Cedercrantz, Martin (1498) | Lost 1-2 | -201591 |
| 8sealed | 51 | Breebaart, Take (1517) | Won 2-0 | +171608 |
| top | average opponent: 1540record: 6-2 | new rating: 1608 | ||
| Grand Prix Vienna 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | Krupicki, Krzysztof (1626) | Won 2-1 | +201520 |
| 2sealed | 48 | Jedlicka, Niki (1520) | Lost 0-2 | -181502 |
| 3sealed | 214 | Pettina, Sergio (1501) | Won 2-1 | +181520 |
| 4sealed | 153 | Grazini, Leonardo (1504) | Lost 0-2 | -181502 |
| 5sealed | 170 | Patkos, Tamas (1500) | Won 2-1 | +181520 |
| 6sealed | 118 | Stezekal, Jindisch (1544) | Won 2-0 | +181538 |
| 7sealed | 94 | Dols, Roel (1615) | Won 2-1 | +201558 |
| 8sealed | 46 | Courtois, Frederic (1740) | Lost 0-2 | -151543 |
| top | average opponent: 1569record: 5-3 | new rating: 1543 | ||