Kos, Tomas
Current rating: 1439
Record: 3-7
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 538 | Hatto, Steve (1564) | Lost 0-2 | -161451 |
| 5standard | 637 | Brenner, Martin (1620) | Lost 1-2 | -151436 |
| 6standard | 728 | Watin, Thomas (1436) | Won 2-1 | +181454 |
| 7standard | 645 | Schuller, Sven (1492) | Won 2-0 | +191473 |
| 8standard | 582 | Merrachi, Soufiane (1490) | Lost 1-2 | -181455 |
| 9standard | 623 | Lippmann, Robert (1570) | Lost 1-2 | -161439 |
| average opponent: 1528record: 2-4 | new rating: 1439 | |||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Duignan, Thomas M (1554) | Won 2-1 | +191519 |
| 2sealed | 21 | Frischmann, Ludwig (1613) | Lost 0-2 | -161503 |
| 3sealed | 125 | van Rijn, Frank (1496) | Lost 1-2 | -181485 |
| 4sealed | 235 | Vesely, Josef (1522) | Lost 0-2 | -181467 |
| average opponent: 1546record: 1-3 | new rating: 1467 | |||