Choca, Antonio
Current rating: 1469
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Hearn, Peter (1540) | Draw 1-1 | +11486 |
| 2sealed | 200 | Patterson, Cesare (1500) | Lost 1-2 | -171469 |
| 3sealed | 273 | Warren, Daniel (1482) | Won 2-1 | +181487 |
| 4sealed | 261 | Bodsch, Andreas (1526) | Lost 0-2 | -171470 |
| 5sealed | 290 | De Simone, Michele (1484) | Won 2-0 | +181488 |
| 6sealed | 239 | Moscardini, Max (1486) | Won 2-0 | +181506 |
| 7sealed | 179 | Lovell, Richard (1491) | Lost 1-2 | -191487 |
| 8sealed | 161 | Sas, Ivar (1484) | Lost 1-2 | -181469 |
| top | average opponent: 1499record: 3-4-1 | new rating: 1469 | ||
| Grand Prix Barcelona 2009 (ARB standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 175 | Navalporto Perez, Sergio (1500) | Lost 1-2 | -181486 |
| 2standard | 211 | Casal, Cristian (1522) | Lost 0-2 | -171469 |
| 3standard | 324 | Segura, Guillermo (1464) | Won 2-1 | +171486 |
| 4standard | 278 | Gomez Medina, Omar (1448) | Won 2-0 | +181504 |
| 5standard | 241 | Merino, Oscar (1502) | Won 2-1 | +181522 |
| 6standard | 115 | Lopez Ruiz, Rafael R (1500) | Lost 0-2 | -191503 |
| 7standard | 191 | Jurado Torras, David (1502) | Lost 0-2 | -181485 |
| 8standard | 161 | Martin, Patricia (1488) | Lost 1-2 | -181467 |
| 9standard | 134 | Villafaina, Marcal (1466) | Won 2-0 | +181485 |
| top | average opponent: 1488record: 4-5 | new rating: 1485 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 159 | Inker, David (1507) | Won 2-1 | +181518 |
| 2block | 14 | Curumtally, Zayed (1482) | Won 2-0 | +171535 |
| 3block | 27 | Lovett, Nicholas (1704) | Lost 0-2 | -141521 |
| 4block | 170 | Hearn, Peter (1518) | Won 2-1 | +171538 |
| 5block | 106 | Morgan, Geraint (1545) | Won 2-1 | +191557 |
| 6block | 26 | Barnett, Adam M (1641) | Lost 0-0 | -171540 |
| 7block | 114 | Grealish, Roger (1502) | Lost 0-2 | -191521 |
| 8block | 101 | Lowther, Phil (1550) | Lost 1-2 | -171504 |
| top | average opponent: 1556record: 4-4 | new rating: 1504 | ||