Castro, Juan Manuel
Current rating: 1642
Record: 48-36
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 53 | Warzynski, Vitor (1684) | Won 2-0 | +181679 |
| 3modern | 208 | Perez, Felipe (1712) | Lost 1-2 | -171662 |
| 4modern | 271 | Sapiras, Armando (1780) | Won 2-1 | +201682 |
| 5modern | 231 | Garreton, Mauricio (1460) | Lost 0-2 | -221660 |
| 6modern | 240 | Burghardt Amaral, Caio Sergio (1651) | Lost 0-2 | -181642 |
| top | average opponent: 1657record: 2-3 | new rating: 1642 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1684 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 183 | Brigante Junior, Ulisses (1500) | Won 2-0 | +151699 |
| 2modern | 58 | Teixeira, Glauber (1685) | Won 2-1 | +181717 |
| 3modern | 7 | Leal, Joao (1500) | Lost 1-2 | -221695 |
| 4modern | 375 | Vasconcellos Athayde, Tiago (1537) | Won 2-0 | +151710 |
| 5modern | 147 | Meza, Ivan (1536) | Won 2-0 | +151725 |
| 6modern | 151 | Zuccolo Paschoal Da Costa, Luis Felipe (1555) | Won 2-0 | +151740 |
| 7modern | 72 | Agorreto, Luka (1545) | Won 2-1 | +141754 |
| 8modern | 30 | Sa, Wladimir (1661) | Lost 1-2 | -191735 |
| 9modern | 52 | Pinheiro, Tiago Thomaz (1605) | Lost 1-2 | -211714 |
| 10modern | 94 | Machado Ferreira, Giovani (1552) | Won 2-1 | +151729 |
| 11modern | 60 | Chelala, Joseph (1571) | Won 2-1 | +161745 |
| 12modern | 34 | Drumond, Braulio (1588) | Lost 1-2 | -211724 |
| 13modern | 64 | Melecardi, Joao (1577) | Lost 1-2 | -211703 |
| 14modern | 82 | Anet, Carolina (1542) | Lost 0-2 | -211682 |
| 15modern | 81 | Fernandes do Valle, Mateus (1509) | Lost 0-2 | -211661 |
| top | average opponent: 1564record: 8-7 | new rating: 1661 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1687 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 392 | Guimaraes, Maycon (1516) | Won 2-1 | +151702 |
| 2modern | 240 | Coquemala Filho, Walter (1840) | Won 2-1 | +201722 |
| 3modern | 141 | Cunha, Luis (1535) | Lost 1-2 | -211701 |
| 4modern | 210 | Soares, Marco Tulio (1569) | Won 2-1 | +151716 |
| 5modern | 134 | Parsia Boscariol, Caio (1569) | Won 2-1 | +161732 |
| 6modern | 94 | Miranda, Eric (1564) | Lost 1-2 | -211711 |
| 7modern | 128 | Belato, Luciano (1550) | Won 2-1 | +151726 |
| 8modern | 64 | Leite, Ricardo (1537) | Lost 1-2 | -221704 |
| 9modern | 130 | Saur, Vitor (1598) | Lost 1-2 | -201684 |
| top | average opponent: 1586record: 5-4 | new rating: 1684 | ||
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 98 | Reyes, Fernando (1518) | Won 2-0 | +171600 |
| 3standard | 93 | Reyes Kiekebusch, David Esteban (1538) | Won 2-0 | +171617 |
| 4standard | 28 | Rodriguez, Agustina (1539) | Won 2-1 | +161633 |
| 5standard | 16 | Verdu, Alberto (1550) | Won 2-0 | +171650 |
| 6standard | 12 | Velazquez, Felipe (1605) | Won 2-1 | +171667 |
| 7standard | 1 | Navas Flores, Luis A (1578) | Won 2-0 | +161683 |
| 8standard | 1 | Conde, Facundo (1562) | Won 2-1 | +161699 |
| 9standard | 1 | Chiappa, Renzo (1693) | Lost 0-2 | -181681 |
| 10standard | 8 | Soto, Rodrigo (1826) | Lost 0-2 | -151666 |
| 11standard | 11 | Farjat, Jair (1576) | Won 2-0 | +161682 |
| 12standard | 7 | de Jesus Freitas, Marcos Paulo (1821) | Won 2-0 | +211703 |
| 13standard | 7 | Urban, Matias (1694) | Lost 0-2 | -191684 |
| 14standard | 8 | Fernandes Ferraz, Diego (1800) | Lost 0-2 | -161668 |
| 15standard | 13 | Martinez, Julian (1681) | Won 2-1 | +191687 |
| top | average opponent: 1641record: 10-4 | new rating: 1687 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 115 | Gonzalez Iturriaga, Francisco (1432) | Won 2-1 | +141623 |
| 4standard | 87 | Estergaard, Jose (1553) | Won 2-1 | +171640 |
| 5standard | 21 | Tejo, Demian (1630) | Lost 1-2 | -181622 |
| 6standard | 40 | Gigena Ontivero, Matias (1521) | Lost 1-2 | -201602 |
| 7standard | 128 | Soto, Rodrigo (1671) | Lost 0-2 | -171585 |
| 8standard | 158 | Garcia, Eduardo [CHL] (1520) | Won 2-0 | +171602 |
| 9standard | 133 | Vargas Moccia, Luis Felipe (1538) | Lost 0-2 | -191583 |
| top | average opponent: 1552record: 3-4 | new rating: 1583 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Peres Velloso, Vitor Hugo (1500) | Won 2-0 | +161583 |
| 2standard | 16 | Nascimento, Rogerio S (1520) | Won 2-0 | +171600 |
| 3standard | 52 | Demetrio Habib, Roberto (1555) | Lost 1-2 | -191581 |
| 4standard | 143 | Giglio Mayol, Jose Miguel (1526) | Won 2-1 | +171598 |
| 5standard | 109 | Garcia Teixeira, Vinicius (1537) | Lost 0-2 | -191579 |
| 6standard | 137 | Freixiela, Savio R (1518) | Won 2-0 | +171596 |
| 7standard | 84 | Lacerda, Pablo (1485) | Won 2-0 | +161612 |
| 8standard | 157 | Pister Rodrigues Delgado Silva, Pedro (1526) | Won 2-1 | +161628 |
| 9standard | 4 | Jonathan M. L, (1527) | Lost 0-2 | -191609 |
| top | average opponent: 1521record: 6-3 | new rating: 1609 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 175 | Ferreira Bonato, Lucca (1518) | Lost 1-2 | -181512 |
| 3sealed | 205 | Braz, Thiago (1446) | Won 2-0 | +171529 |
| 4sealed | 171 | Longo, Antonio Lucas (1521) | Lost 1-2 | -181511 |
| 5sealed | 208 | Ferry, Gabriel (1556) | Lost 0-2 | -171494 |
| 6sealed | 246 | Lucas, Gabriel Loeser (1482) | Won 2-0 | +171511 |
| 7sealed | 172 | Guilherme Sesso, Bonella (1501) | Won 2-1 | +181529 |
| 8sealed | 139 | Araujo, Flavio (1566) | Won 2-0 | +191548 |
| 9sealed | 101 | Alves, Fernando A (1585) | Won 2-0 | +191567 |
| top | average opponent: 1522record: 5-3 | new rating: 1567 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 14 | Dezi, Pedro Martin (1500) | Won 2-1 | +181555 |
| 5sealed | 9 | Gallardo San Martin, Luis (1518) | Won 2-1 | +171572 |
| 6sealed | 21 | Reyes, David (1587) | Won 2-0 | +181590 |
| 7sealed | 1 | Sanabio, Sergio (1672) | Lost 0-2 | -161574 |
| 8sealed | 17 | Osorio Parot, Javier (1589) | Won 2-0 | +181592 |
| 9sealed | 12 | Quiroga, Mariano (1623) | Lost 0-2 | -171575 |
| 10draft | 9 | Nakamura, Shuhei (2002) | Lost 0-2 | -111564 |
| 11draft | 37 | Huarapil, Carlos (1674) | Lost 0-2 | -161548 |
| 12draft | 22 | Ramirez, Lucas (1571) | Lost 0-2 | -181530 |
| top | average opponent: 1637record: 4-5 | new rating: 1530 | ||
| Grand Prix Buenos Aires 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Vanegas, Emerson (1500) | Won 2-1 | +181518 |
| 2standard | 106 | Rodriguez, Camilo (1482) | Lost 1-2 | -191499 |
| 3standard | 212 | PISCITELLI, FRANCO (1500) | Won 2-0 | +181517 |
| 4standard | 150 | Alvarez Rivera, Joaquin (1465) | Lost 0-2 | -191498 |
| 5standard | 208 | Costa, Sergio [BRA] (1647) | Lost 0-2 | -151483 |
| 6standard | 197 | Rosomando, Nahuel (1482) | Won 2-1 | +181501 |
| 7standard | 161 | Ponce, Jose (1483) | Won 2-0 | +181519 |
| 8standard | 124 | Gaete, Francisco (1549) | Won 2-1 | +181537 |
| top | average opponent: 1514record: 5-3 | new rating: 1537 | ||