Arntz, Estevao Rudi
Current rating: 1628
Record: 74-60-1
Grand Prix Sao Paulo 2012Grand Prix Rio de Janeiro 2013Grand Prix Santiago 2013Grand Prix Buenos Aires 2014Grand Prix Miami 2015Grand Prix Sao Paulo 2015Grand Prix Buenos Aires 2015Grand Prix Porto Alegre 2015Grand Prix Barcelona 2017Grand Prix Porto Alegre 2017Grand Prix Sao Paulo 2017Grand Prix Sao Paulo 2018Grand Prix Sao Paulo 2019Grand Prix Sao Paulo 2019 (2)Regional Championships Sao Paulo 2023
| Regional Championships Sao Paulo 2023 (ONE standard) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Laidane, Luiz Gustavo (1540) | Lost 1-2 | -201624 |
| 2standard | 42 | Franson, Rafael (1482) | Won 2-1 | +161640 |
| 3standard | 28 | Tiberio, Carlos (1714) | Lost 0-2 | -171623 |
| 4standard | 37 | Ali, Alonso (1497) | Won 2-0 | +161639 |
| 5standard | 25 | Tateishi, Leandro (1430) | Lost 1-2 | -221617 |
| 6standard | 26 | Batista de Oliveira, Roberto (1492) | Won 2-1 | +161633 |
| 7standard | 43 | Paes, Joao (1519) | Lost 1-2 | -201613 |
| 8standard | 36 | Rodrigues Alves, Matheus (1492) | Won 2-1 | +151628 |
| top | average opponent: 1521record: 4-4 | new rating: 1628 | ||
| Grand Prix Sao Paulo 2019 (2) (ELD standard) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| A2standard | 63 | Prieto, Leonel (1418) | Lost 1-2 | -211557 |
| A3standard | 75 | Francelino, Lygia Karla (1369) | Won 2-0 | +141571 |
| A4standard | 85 | Longo, Antonio Lucas (1548) | Won 2-1 | +181589 |
| A5standard | 45 | Cunha De Oliveira, Alexandre (1619) | Won 2-1 | +191608 |
| A6standard | 15 | Avena, Pedro (1442) | Won 2-0 | +151623 |
| A7standard | 17 | Coraiola, Gustavo (1582) | Won 2-1 | +171640 |
| A8standard | 3 | De Camargo, Jose (1605) | Won 2-1 | +171657 |
| standard | 5 | Floresta dos Santos, Leandro (1712) | Won 2-1 | +191676 |
| standard | 2 | Martinez, Gabriel (1588) | Won 2-1 | +171693 |
| standard | 3 | Caparroz, Joao Lucas (1860) | Lost 1-2 | -151678 |
| standard | 5 | Siqueira, Tales (1644) | Lost 1-2 | -191659 |
| standard | 9 | Martins De Rezende, Aloyr (1674) | Lost 0-2 | -181641 |
| standard | 25 | da Fonseca, Bruno (1821) | Lost 1-2 | -141627 |
| standard | 23 | Lima Pilmo, Alvaro (1600) | Won 2-0 | +171644 |
| top | average opponent: 1606record: 9-5 | new rating: 1644 | ||
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1639 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 270 | Ferrari, Bruno (1485) | Lost 0-2 | -211618 |
| 3modern | 319 | Kritz, Joshua (1491) | Lost 1-2 | -201598 |
| 4modern | 451 | Vieira Ramos, Marco Aurelio (1483) | Lost 1-2 | -201578 |
| top | average opponent: 1487record: 0-3 | new rating: 1578 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 254 | Freitas De Oliveira, Caio (1518) | Won 2-0 | +161643 |
| 3modern | 56 | Ternicelli, Renan (1537) | Won 2-0 | +161659 |
| 4modern | 47 | Melamed, Jonathan (2001) | Lost 1-2 | -121647 |
| 5modern | 194 | Rodrigues Cavalcante, Marcelo (1662) | Lost 0-2 | -181629 |
| 6modern | 249 | Santos, Brunno (1524) | Lost 0-2 | -201609 |
| 7modern | 394 | Oliveira, Jackwalker (1426) | Won 2-0 | +151624 |
| 8modern | 293 | de Magalhaes Scalli, Guilherme (1449) | Won 2-1 | +151639 |
| top | average opponent: 1588record: 4-3 | new rating: 1639 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1624 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 187 | Moreira, Fabio (1535) | Won 2-0 | +171641 |
| 4modern | 53 | Carpes Lemos, Cleon (1479) | Won 2-0 | +151656 |
| 5modern | 30 | Carlos De Andrade, Joao (1629) | Lost 1-2 | -191637 |
| 6modern | 125 | Zaghi, Rafael (1587) | Lost 0-2 | -191618 |
| 7modern | 105 | Souza Dos Santos, Fabio (1540) | Won 2-0 | +171635 |
| 8modern | 118 | Paez Sequeira, Alexandre (1554) | Won 2-0 | +161651 |
| 9modern | 39 | Hamaguchi Dias, Luis Fernando (1588) | Lost 1-2 | -191632 |
| 10modern | 105 | Miguel, Luiz Henrique (1596) | Lost 0-2 | -181614 |
| 11modern | 150 | Luis Arrieta Concha, Jose (1533) | Won 2-0 | +161630 |
| 12modern | 132 | Lima, Paulo (1556) | Lost 1-2 | -191611 |
| 13modern | 122 | Martins, Michell (1558) | Won 2-0 | +171628 |
| 14modern | 112 | Henrique Paniago De O Amaral, Pedro (1555) | Won 2-1 | +171645 |
| 15modern | 62 | Branco, Icaro (1665) | Lost 0-2 | -181627 |
| top | average opponent: 1567record: 7-6 | new rating: 1627 | ||
| Grand Prix Porto Alegre 2017 (AER standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 65 | Omielchuk, Roger (1537) | Won 2-0 | +171562 |
| 3standard | 14 | Wood, Gabriel Jose (1645) | Lost 1-2 | -161546 |
| 4standard | 164 | Machado, Yan (1518) | Won 2-1 | +171563 |
| 5standard | 108 | Jones, Erick (1528) | Lost 0-2 | -181545 |
| 6standard | 120 | Oliveira, Diogo (1527) | Won 2-0 | +171562 |
| 7standard | 77 | Paredes, Marcos (1598) | Lost 1-2 | -171545 |
| 8standard | 158 | Mussalem Smethurst, Diogo (1618) | Won 2-1 | +191564 |
| 9standard | 81 | Lira, Vinicius (1536) | Won 2-0 | +181582 |
| 10standard | 75 | Oliveira da Silva, Amair Fernando (1558) | Won 2-1 | +171599 |
| 11standard | 38 | Martins, Daniel (1652) | Won 2-1 | +191618 |
| 12standard | 35 | Pereira Junior, Pedro (1875) | Lost 1-2 | -131605 |
| 13standard | 53 | Zborowski, Felipe Augusto (1667) | Lost 1-2 | -171588 |
| 14standard | 51 | Aqel, Muhammad (1596) | Won 2-1 | +181606 |
| 15standard | 48 | Cesarino da Rosa, Lenon Furtado (1608) | Won 2-0 | +181624 |
| top | average opponent: 1605record: 9-5 | new rating: 1624 | ||
| Grand Prix Barcelona 2017 (AER standard) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 168 | Gomez Victory, Lluis (1505) | Won 2-0 | +181559 |
| 3standard | 169 | La Plena, Bruno (1499) | Won 2-0 | +161575 |
| 4standard | 104 | Romero, Alberto (1609) | Lost 1-2 | -171558 |
| 5standard | 244 | Alonso, Fernando (1443) | Lost 1-2 | -201538 |
| 6standard | 382 | Diekjobst, Lukas (1605) | Lost 0-2 | -171521 |
| 7standard | 392 | Iannello, Andrea (1468) | Won 2-1 | +171538 |
| 8standard | 351 | Grau Puig, Macia (1524) | Won 2-1 | +181556 |
| 9standard | 196 | Dominguez, Javier (1932) | Lost 0-2 | -111545 |
| top | average opponent: 1573record: 4-4 | new rating: 1545 | ||
| Grand Prix Porto Alegre 2015 (modern) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 43 | Freitas Jr, Carlos Roberto (1518) | Lost 0-2 | -201612 |
| 3modern | 290 | Cazzarotti de Oliveira, Pedro Henrique (1370) | Lost 0-2 | -221590 |
| 4modern | 263 | Naraya Basto De Sa, Davi (1445) | Won 2-0 | +151605 |
| 5modern | 219 | Cichello, Diego Francisco (1467) | Lost 0-2 | -201585 |
| 6modern | 272 | Vega Parra, Francisco (1573) | Won 2-1 | +181603 |
| 7modern | 196 | Koarata Da Costa, Willian Rafael (1457) | Lost 0-2 | -211582 |
| 8modern | 164 | Godoy Junior, Celso Antonio (1417) | Lost 1-2 | -211561 |
| 9modern | 143 | Veneral Pedroso, Roberto (1466) | Lost 1-2 | -201541 |
| top | average opponent: 1464record: 2-6 | new rating: 1541 | ||
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1651 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 122 | Mammana, Federico (1517) | Lost 1-2 | -211630 |
| 3standard | 238 | Davagnino, Christian (1500) | Won 2-1 | +161646 |
| 4standard | 98 | Archangelo, Felipe (1600) | Lost 0-1 | -191627 |
| 5standard | 223 | Valenzuela, Pablo (1417) | Won 2-0 | +141641 |
| 6standard | 115 | Vargas Paez, Javier (1579) | Won 2-0 | +171658 |
| 7standard | 109 | Guzman, Federico (1488) | Lost 1-2 | -211637 |
| 8standard | 115 | Gauna, Diego (1490) | Lost 1-2 | -211616 |
| 9standard | 145 | Sambre, Emiliano (1502) | Won 2-0 | +161632 |
| top | average opponent: 1511record: 4-4 | new rating: 1632 | ||
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1652 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 242 | Silva, Gustavo (1569) | Won 2-0 | +171669 |
| 3standard | 200 | Cabrini, Eduardo (1474) | Lost 0-2 | -221647 |
| 4standard | 309 | Baring, Elton (1515) | Lost 0-2 | -201627 |
| 5standard | 368 | Mocelin, Pedro (1500) | Lost 0-2 | -211606 |
| 6standard | 429 | Ferreira Egypto Rosa Decarvalho, Bruno (1483) | Won 2-0 | +161622 |
| 7standard | 276 | Issao Kage, Henry (1465) | Won 2-0 | +151637 |
| 8standard | 201 | Soares Lee, Alexandre (1517) | Won 2-0 | +161653 |
| 9standard | 172 | De Campos Dorini, Ricardo (1520) | Draw 1-1 | -21651 |
| top | average opponent: 1505record: 4-3-1 | new rating: 1651 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 177 | Bonilla, Luis (1538) | Won 2-0 | +161637 |
| 3standard | 41 | Parker, Brock (2076) | Won 2-1 | +261663 |
| 4standard | 598 | Carey, Joey (1755) | Lost 1-2 | -171646 |
| 5standard | 133 | Payne, Austin (1487) | Won 2-0 | +161662 |
| 6standard | 63 | Roman, Kevin (1505) | Lost 1-2 | -211641 |
| 7standard | 159 | DeRos, Nick (1502) | Won 1-0 | +151656 |
| 8standard | 109 | Joshi, Parth (1564) | Won 2-0 | +161672 |
| 9standard | 114 | Albrecht, Trevyn (1538) | Lost 0-2 | -201652 |
| top | average opponent: 1621record: 5-3 | new rating: 1652 | ||
| Grand Prix Buenos Aires 2014 (BNG standard) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 136 | Ortellado, Pablo (1500) | Won 2-0 | +171598 |
| 2standard | 121 | Sousa, Rodrigo (1518) | Won 2-0 | +171615 |
| 3standard | 96 | Salas, Juan (1464) | Won 2-1 | +151630 |
| 4standard | 33 | Ober, Joaquin (1518) | Lost 0-2 | -201610 |
| 5standard | 164 | Quiroga, Mariano (1544) | Won 2-1 | +171627 |
| 6standard | 44 | Muscio, Silvio Gabriel (1468) | Won 2-1 | +151642 |
| 7standard | 239 | Monlevade, Philippe (1662) | Lost 1-2 | -181624 |
| 8standard | 77 | Laura, Pablo (1556) | Won 2-1 | +171641 |
| 9standard | 45 | Prado, Julian (1524) | Lost 1-2 | -201621 |
| top | average opponent: 1528record: 6-3 | new rating: 1621 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 180 | Seara, Martin (1500) | Won 2-1 | +181550 |
| 2modern | 58 | Rojas, Enrique (1465) | Lost 0-2 | -201530 |
| 3modern | 212 | Montealegre, Rodrigo (1551) | Lost 0-2 | -171513 |
| 4modern | 319 | Carroll, Maya (1431) | Won 2-1 | +161529 |
| 5modern | 203 | Gaete, Francisco (1608) | Lost 0-2 | -171512 |
| 6modern | 17 | Carrasco Maureira, Francisco Arturo (1484) | Won 2-0 | +181530 |
| 7modern | 215 | Lucena, Thiago Santos (1449) | Won 2-1 | +161546 |
| 8modern | 168 | Oyarzun Jimenez, Paula (1516) | Won 2-0 | +181564 |
| 9modern | 118 | Alfaro, David (1537) | Won 2-0 | +171581 |
| top | average opponent: 1505record: 6-3 | new rating: 1581 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Martins Gomes, Leandro (1500) | Lost 0-2 | -181499 |
| 2standard | 268 | Clemente Buzzo, Alberto (1501) | Lost 1-2 | -181481 |
| 3standard | 282 | Pereira, Natanael (1463) | Won 2-1 | +181499 |
| 4standard | 237 | Araujo, Marcio (1489) | Lost 1-2 | -181481 |
| 5standard | 293 | Pereira, Icaro (1465) | Won 2-1 | +171498 |
| 6standard | 245 | Ferreira Leite, Diogo (1482) | Won 2-0 | +181516 |
| 7standard | 197 | Feijo, Matheus (1500) | Won 2-0 | +181534 |
| 8standard | 112 | de la Fuente Catalan, Francisco Alejandro (1520) | Lost 1-2 | -191515 |
| 9standard | 140 | Lacerda, Pablo (1453) | Won 2-0 | +171532 |
| top | average opponent: 1486record: 5-4 | new rating: 1532 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 161 | Narcimente, Felype P (1500) | Lost 1-2 | -181482 |
| 2sealed | 201 | dos santos Junior, Abias (1482) | Lost 0-2 | -181464 |
| 3sealed | 324 | Possato, Dawton Carlos (1534) | Lost 0-2 | -171447 |
| 4sealed | 331 | Acquiste Martins da Mata, Bruno (1450) | Won 2-0 | +181465 |
| 5sealed | 299 | Ieasari, Ezequiel M (1402) | Won 2-0 | +171482 |
| 6sealed | 211 | HAMAGUCHI, LUIS (1482) | Won 2-1 | +181500 |
| 7sealed | 174 | Vasquez, Alejandro (1499) | Won 2-0 | +181518 |
| 8sealed | 140 | Franco Junior, Cassiano (1523) | Won 2-1 | +181536 |
| 9sealed | 76 | Melo de Carvalho, Bernardo (1487) | Lost 0-2 | -191517 |
| top | average opponent: 1484record: 5-4 | new rating: 1517 | ||