Gow, Marvin-John
Current rating: 1421
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Kunze, Tilmann (1477) | Lost 1-2 | -181433 |
| 2sealed | 128 | Kristensen, Ole (1482) | Won 2-1 | +191452 |
| 3sealed | 98 | Schmeisser, Michael (1501) | Won 2-0 | +191471 |
| 4sealed | 84 | Dziedzicki, Jean-Pierre (1512) | Won 2-0 | +191490 |
| 5sealed | 75 | Blaas, Jasper (1570) | Lost 0-2 | -171473 |
| 6sealed | 90 | Josek, Rostislav (1468) | Draw 1-1 | 01473 |
| 7sealed | 88 | Hrdlicka, Zdenek (1475) | Lost 1-2 | -181455 |
| 8sealed | 92 | Hausmann, Sebastian (1498) | Lost 0-2 | -171438 |
| 9sealed | 88 | Schopf, Philipp (1493) | Lost 0-2 | -171421 |
| top | average opponent: 1497record: 3-5-1 | new rating: 1421 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 304 | Muller, Lars (1426) | Lost 0-2 | -191445 |
| 2extended | 422 | Bracic, Marjan (1499) | Lost 0-2 | -171428 |
| 3extended | 430 | Ramaakers, Mark (1481) | Won 2-0 | +191447 |
| 4extended | 366 | Cadier, Ron (1488) | Won 2-0 | +191466 |
| 5extended | 315 | Terporten, Volker (1499) | Lost 0-2 | -181448 |
| 6extended | 295 | Star, Leon (1546) | Lost 0-2 | -161432 |
| 7extended | 285 | Vencel, Marian (1467) | Won 2-0 | +191451 |
| top | average opponent: 1486record: 3-4 | new rating: 1451 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Cichon, Marco (1463) | Draw 1-1 | -11499 |
| 2block | 128 | Jeurink, Sven (1545) | Lost 0-2 | -171482 |
| 3block | 195 | Loroff, Claudia (1458) | Lost 0-1 | -181464 |
| top | average opponent: 1489record: 0-2-1 | new rating: 1464 | ||