Janu, Petr
Current rating: 1446
Record: 7-10
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Brzegowy, Adrian (1494) | Lost 0-2 | -181486 |
| 2sealed | 293 | Nagy, Zoltan (1367) | Lost 0-2 | -201466 |
| 3sealed | 384 | Loubov, Pavel (1464) | Won 2-1 | +181484 |
| 4sealed | 389 | Viczian, Laszlo (1461) | Lost 0-2 | -181466 |
| 5sealed | 367 | Bartu, Dominik (1464) | Lost 1-2 | -191447 |
| 6sealed | 332 | Novotny, Jakub (1447) | Won 2-0 | +181465 |
| 7sealed | 260 | Leitgeb, Vladimir (1398) | Won 2-0 | +171482 |
| 8sealed | 202 | Pobis, Jakub (1509) | Lost 0-2 | -171465 |
| 9sealed | 160 | Simersky, Antonin (1447) | Lost 0-2 | -191446 |
| average opponent: 1450record: 3-6 | new rating: 1446 | |||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 196 | Dvorak, Radoslav (1500) | Lost 1-2 | -181482 |
| 2sealed | 212 | Lehmann, Jens (1481) | Lost 0-2 | -181464 |
| 3sealed | 254 | Anweiler, Stanislaw (1464) | Lost 0-2 | -181446 |
| 4sealed | 289 | Jaroslavs, Ligos (1446) | Won 2-0 | +181464 |
| 5sealed | 262 | Vorovatov, Anton (1480) | Won 2-1 | +181482 |
| 6sealed | 193 | Snydr, Ondrej (1483) | Won 2-0 | +181500 |
| 7sealed | 159 | Hron, Mike (1729) | Lost 0-2 | -141486 |
| 8sealed | 169 | Filip, David (1483) | Won 2-0 | +181504 |
| average opponent: 1508record: 4-4 | new rating: 1504 | |||