Medina, Juan A
Current rating: 1473
Record: 12-12-1 (GP) / 1-4 (professional)
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 52 | Ramboa, Thierry (1481) | Lost 0-2 | -181486 |
| 5sealed | 135 | Miguel, Andres (1581) | Lost 1-2 | -171469 |
| 6sealed | 164 | Brena, Jose (1518) | Won 2-1 | +191488 |
| 7sealed | 119 | Moiseev, Dmitry (1615) | Lost 1-2 | -151473 |
| top | average opponent: 1549record: 1-3 | new rating: 1473 | ||
| Pro Tour Kobe 2006 (TSP draft) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 61 | Zhou, Yujian (1779) | Lost 0-1 | -141523 |
| 2draft | 105 | Dean, J. Evan (1679) | Lost 0-2 | -151508 |
| 3draft | 66 | Komuro, Shuu (1833) | Won 2-0 | +241532 |
| 4draft | 188 | Pinkster, Wilco (1717) | Lost 0-2 | -151517 |
| 5draft | 144 | Leong, Ding Yuan (1793) | Lost 0-2 | -131504 |
| top | average opponent: 1760record: 1-4 | new rating: 1504 | ||
| Grand Prix Barcelona 2006 (GPT limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Juliachs Parramon, Ferran (1500) | Won 2-0 | +171538 |
| 2sealed | 59 | Alberola, Victor (1535) | Lost 1-2 | -181520 |
| 3sealed | 102 | Salvador Torne, Marc (1500) | Won 2-0 | +181538 |
| 4sealed | 77 | Moreira, Maximo (1584) | Won 2-0 | +191557 |
| 5sealed | 62 | Martinez, Delfin (1470) | Lost 0-2 | -201537 |
| 6sealed | 80 | Sans, Norcis (1522) | Won 2-1 | +181555 |
| 7sealed | 49 | Borga, Wilson (1562) | Lost 1-2 | -181537 |
| top | average opponent: 1525record: 4-3 | new rating: 1537 | ||
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 108 | Santos, Alberto (1540) | Lost 1-2 | -171483 |
| 3sealed | 168 | Charrama, Nuno (1502) | Draw 1-1 | 01483 |
| 4sealed | 171 | Devis, Larry (1452) | Won 2-1 | +171500 |
| 5sealed | 111 | Caldeira, Rafael (1498) | Won 2-0 | +181518 |
| 6sealed | 70 | Melo, Hugo (1536) | Won 2-1 | +191537 |
| 7sealed | 40 | Rodriguez, Alberto (1625) | Lost 1-2 | -171520 |
| 8sealed | 71 | Munoz de la Pena, David (1519) | Won 2-0 | +181538 |
| 9sealed | 43 | Costa, Emanuel (1560) | Lost 0-2 | -171521 |
| top | average opponent: 1529record: 4-3-1 | new rating: 1521 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Valverde, Jeronimo (1500) | Won 2-0 | +181518 |
| 2sealed | 175 | Saenz, Alex (1452) | Lost 0-2 | -191499 |
| 3sealed | 223 | Magalhaes, Abilio (1449) | Won 2-0 | +171516 |
| 4sealed | 232 | Navarro, Enrique (1518) | Lost 0-2 | -181498 |
| 5sealed | 375 | Luengo Ortega, Roberto (1602) | Lost 0-2 | -161482 |
| 6sealed | 353 | Castro, Pedro (1481) | Won 2-1 | +181500 |
| top | average opponent: 1500record: 3-3 | new rating: 1500 | ||