Bonanno, Walter
Current rating: 1450
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 320 | Eyre, Shayne (1317) | Lost 0-2 | -221486 |
| 2sealed | 351 | Saunders, Lachlan (1502) | Lost 0-2 | -171469 |
| 3sealed | 370 | Bell, Adam (1465) | Won 2-0 | +171486 |
| 4sealed | 258 | Sadras, Francisco (1484) | Lost 1-2 | -181468 |
| 5sealed | 296 | Farrelly, Paul (1464) | Lost 0-2 | -181450 |
| 6sealed | 265 | Marsden, Bryce (1447) | Won 2-1 | +181468 |
| 7sealed | 222 | Rumble, Dale (1462) | Lost 1-2 | -181450 |
| 8sealed | 189 | Smith, Ben [AUS] (1446) | Won 2-0 | +181468 |
| 9sealed | 157 | Lambie, Kyan (1468) | Lost 1-2 | -181450 |
| top | average opponent: 1451record: 3-6 | new rating: 1450 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 344 | Panara, Bruno (1620) | Won 2-1 | +201502 |
| 2standard | 315 | Skok, Aljaz (1447) | Draw 1-1 | -11501 |
| 3standard | 358 | Nagy, Ferenc (1633) | Draw 1-1 | +21503 |
| 4standard | 508 | Novak, Jan (1442) | Won 2-0 | +171520 |
| 5standard | 359 | Marzano, Pierre (1608) | Won 2-1 | +201540 |
| 6standard | 228 | Ramquist, Niklas (1752) | Lost 0-2 | -141526 |
| 7standard | 345 | Tschernegg, Michael (1521) | Lost 0-2 | -181508 |
| top | average opponent: 1575record: 3-2-2 | new rating: 1508 | ||
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 177 | Bianchi, Andrea (1450) | Draw 1-1 | -11499 |
| 2standard | 280 | Sevegnani, Michele (1542) | Draw 1-1 | +11500 |
| 3standard | 419 | Nucifora, Sergio (1482) | Lost 0-2 | -181482 |
| top | average opponent: 1491record: 0-1-2 | new rating: 1482 | ||