De Bona, Giovanni
Current rating: 1500
Record: 6-6
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 36 | Wetzl, Roland (1500) | Won 2-1 | +181518 |
| 2block | 15 | Simoncini, Stefano Fudo (1537) | Won 2-0 | +181536 |
| 3block | 47 | Gaspar, Attila (1517) | Won 2-1 | +181554 |
| 4block | 25 | Pascoli, Mario (1536) | Won 2-0 | +181572 |
| 5block | 16 | Rabolini, Gabriele (1573) | Won 2-0 | +181590 |
| 6block | 9 | Andreani, Alessio (1573) | Lost 0-2 | -191571 |
| 7block | 14 | Kleinow, Claus (1624) | Lost 0-2 | -171554 |
| 8block | 38 | Busi, Yanez (1570) | Won 2-0 | +191573 |
| 9block | 27 | Borsalino, Albert (1571) | Lost 1-2 | -181555 |
| 10block | 26 | Shin, Min (1580) | Lost 1-2 | -181537 |
| 11block | 31 | Monterisi, Daniele (1521) | Lost 0-2 | -181519 |
| 12block | 31 | Ristedt, Ralph (1492) | Lost 1-2 | -191500 |
| average opponent: 1550record: 6-6 | new rating: 1500 | |||