Koga, Bruno
Current rating: 1521
Record: 9-9-1
| MagicCon Barcelona 2023 Limited Open (LTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3100 | Lamonaca, Edoardo (1575) | Won 2-1 | +191519 |
| 2sealed | 3061 | Teisseyre, Stephane (1519) | Won 2-0 | +181537 |
| 3sealed | 3009 | Perez Silanes, Asier (1637) | Won 2-1 | +201557 |
| 4sealed | 3013 | Vallejo, Raul (1744) | Won 2-1 | +221579 |
| 5sealed | 3003 | Pilepic, Matija (1542) | Won 2-1 | +171596 |
| 6sealed | 3002 | Alberyd, Johannes (1874) | Lost 1-2 | -131583 |
| 7sealed | 3011 | Achim, Cosmin (1501) | Lost 0-2 | -201563 |
| 8sealed | 3041 | Hocedez, Corentin (1536) | Won 2-1 | +181581 |
| 9draft | 3360 | Tonkovic, Katarina Iva (1666) | Lost 0-2 | -171564 |
| 10draft | 3377 | Kocsis, Gabor (1735) | Lost 0-2 | -151549 |
| 11draft | 3376 | Lesaege, Clement (1674) | Lost 0-2 | -151534 |
| 12draft | 3371 | Perez De Vargas, Rafael (1692) | Lost 0-2 | -151519 |
| 13draft | 3371 | Muller, Tomas (1630) | Won 2-0 | +201539 |
| 14draft | 3357 | Grueso, Sergio (1580) | Lost 1-2 | -181521 |
| average opponent: 1636record: 7-7 | new rating: 1521 | |||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 21 | De Sousa Silva, Rodrigo (1500) | Won 2-0 | +181518 |
| 2standard | 138 | Morales, Nicolas (1500) | Won 2-1 | +181536 |
| 3standard | 13 | guilherme v cohen, (1500) | Draw 1-1 | -11535 |
| 4standard | 97 | Lombardelli, Bruno (1555) | Lost 0-2 | -181517 |
| 5standard | 152 | Herrera Alvarez, Rene (1549) | Lost 0-2 | -171500 |
| average opponent: 1521record: 2-2-1 | new rating: 1500 | |||