Calvo, Oscar
Current rating: 1545
Record: 29-32
| Grand Prix Barcelona 2017 (AER standard) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 170 | Gonzalez Gutierrez, Roberto (1442) | Won 2-1 | +181459 |
| 3standard | 269 | Hitz, Michael (1833) | Lost 0-2 | -121447 |
| 4standard | 427 | Ruiz Lozano, Ivan (1608) | Won 2-1 | +211468 |
| 5standard | 275 | Claes, Nick (1405) | Won 2-0 | +171485 |
| 6standard | 118 | Thormahlen, Bruno (1674) | Lost 0-2 | -141471 |
| 7standard | 273 | Miceli, Baptiste (1537) | Lost 1-2 | -171454 |
| 8standard | 264 | Corgnolo, Romain (1620) | Won 2-0 | +211475 |
| 9standard | 244 | Rodriguez Diaz, Miguel Angel (1614) | Won 2-0 | +201495 |
| 10standard | 198 | Elias Mondelo, Pau (1551) | Won 2-1 | +191514 |
| 11standard | 119 | Kowalski, Grzegorz (2055) | Lost 0-2 | -91505 |
| 12standard | 130 | Penard, Adrien (1527) | Lost 0-2 | -171488 |
| 13standard | 147 | Daubasse, Ludovic (1543) | Won 2-1 | +191507 |
| 14standard | 147 | Garcia Munoz, Oscar (1515) | Won 2-0 | +181525 |
| 15standard | 118 | Barrachina Asins, Nacho (1622) | Won 2-1 | +201545 |
| top | average opponent: 1610record: 9-5 | new rating: 1545 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 452 | York, Peter (1483) | Lost 1-2 | -171391 |
| 2sealed | 663 | Gallardo, Carlos (1486) | Won 2-0 | +201411 |
| 3sealed | 749 | Roca Guardo, Carlos (1463) | Won 2-1 | +191430 |
| 4sealed | 556 | Guillet, Jean-Philippe (1660) | Won 2-0 | +221452 |
| 5sealed | 172 | Winand, Tomas (1612) | Lost 1-2 | -151437 |
| 6sealed | 375 | Rotelli, Francesco (1492) | Lost 0-2 | -171420 |
| 7sealed | 673 | Velazquez, Diego (1416) | Won 2-1 | +181438 |
| 8sealed | 557 | Pestov, Eugene (1595) | Won 2-0 | +211459 |
| 9sealed | 329 | Drusko, Ivan (1472) | Lost 1-2 | -181441 |
| top | average opponent: 1520record: 5-4 | new rating: 1441 | ||
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1352 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 217 | Lange, Holger (1611) | Won 2-1 | +221374 |
| 3sealed | 111 | Body, John (1342) | Won 2-0 | +181392 |
| 4sealed | 107 | Montoro, Bernat (1516) | Lost 1-2 | -161376 |
| 5sealed | 99 | Navarro Lozano, Miguel Angel (1590) | Won 2-1 | +221398 |
| 6sealed | 88 | Muniz, Alberto (1556) | Lost 0-2 | -151383 |
| 7sealed | 242 | Castro, Bruno (1566) | Lost 0-2 | -151368 |
| 8sealed | 219 | Anglada Sanchez, Enric (1434) | Won 2-0 | +191387 |
| 9sealed | 158 | Villarraso Martinez, Francisco Javier (1533) | Won 2-0 | +211408 |
| top | average opponent: 1519record: 5-3 | new rating: 1408 | ||
| Grand Prix Seville 2015 (FRF standard) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 220 | Moreno Cardenas, Alberto (1483) | Lost 0-2 | -171402 |
| 2standard | 270 | Sanchez Castro, Francisco Jose (1486) | Lost 0-2 | -171385 |
| 3standard | 372 | Nieto Vega, Francisco (1432) | Lost 1-2 | -171368 |
| 4standard | 383 | Yules, Francisco (1448) | Lost 1-2 | -161352 |
| top | average opponent: 1462record: 0-4 | new rating: 1352 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 535 | Paya Prats, Jacobo (1486) | Won 2-0 | +191442 |
| 2modern | 383 | Duarte, Marco (1706) | Lost 1-2 | -131429 |
| 3modern | 692 | Gonzalez, Marcos (1522) | Won 2-1 | +201449 |
| 4modern | 254 | Montefiori, Giovanni (1551) | Lost 0-2 | -161433 |
| 5modern | 587 | Tews, Mathias (1447) | Lost 1-2 | -181415 |
| 6modern | 712 | Monaj Munoz, Miguel (1427) | Won 2-0 | +181433 |
| 7modern | 459 | Cortes, Alexis (1623) | Lost 0-2 | -141419 |
| top | average opponent: 1538record: 3-4 | new rating: 1419 | ||
| Grand Prix Madrid 2012 (DKA limited) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 601 | Maricak, Alen (1456) | Won 2-0 | +191453 |
| 2sealed | 683 | Calo Palmero, Eleazar (1516) | Lost 1-2 | -171436 |
| 3sealed | 735 | Pascual, Daniel (1481) | Lost 1-2 | -171419 |
| 4sealed | 891 | Perez, Dario (1498) | Won 2-1 | +191438 |
| 5sealed | 842 | Macho Vazquez, Antonio (1607) | Lost 0-2 | -151423 |
| top | average opponent: 1512record: 2-3 | new rating: 1423 | ||
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Kuca, Jeremie (1516) | Lost 0-2 | -171429 |
| 2standard | 223 | Stilling, Per (1446) | Won 2-1 | +191448 |
| 3standard | 163 | Larrumbide, Jorge (1500) | Lost 0-2 | -171431 |
| 4standard | 221 | Repetti, Guillaume (1537) | Lost 0-2 | -171414 |
| 5standard | 229 | Mavrommatis, Michael (1464) | Won 2-1 | +191433 |
| 6standard | 208 | Lobejon, Cesar (1483) | Won 2-1 | +191452 |
| 7standard | 138 | Laurent, Urso (1453) | Won 2-0 | +181470 |
| 8standard | 112 | Valentin, Jonathan (1518) | Lost 1-2 | -171453 |
| 9standard | 88 | Regent, Bartosz (1413) | Lost 0-2 | -191434 |
| top | average opponent: 1481record: 4-5 | new rating: 1434 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 349 | Astasio Carrasco, Enrique (1500) | Won 2-0 | +181518 |
| 2sealed | 79 | Chamuesco, Javier (1518) | Lost 0-2 | -181500 |
| 3sealed | 230 | Calvo, Miguel (1500) | Lost 0-2 | -181482 |
| 4sealed | 490 | Alvarez, David [ESP] (1482) | Lost 0-2 | -181464 |
| 5sealed | 486 | CHAMON, JUAN LUIS (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1493record: 1-4 | new rating: 1446 | ||