Castelo Viosca, Arturo
Current rating: 1548
Record: 33-31-1
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1566 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 205 | Maldonado, Robert (1506) | Won 2-0 | +171583 |
| 3modern | 260 | Blue, Vivienne (1747) | Lost 1-2 | -151568 |
| 4modern | 360 | Pallotti, Nicholas (1590) | Lost 0-2 | -181550 |
| 5modern | 431 | Goomroyan, Peter (1591) | Won 2-0 | +191569 |
| 6modern | 256 | Deakins, Crystal (1449) | Lost 1-2 | -201549 |
| 7modern | 410 | Flynn, Michael (1471) | Won 2-0 | +161565 |
| 8modern | 1194 | Brunton, David (1607) | Lost 0-2 | -171548 |
| top | average opponent: 1566record: 3-4 | new rating: 1548 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 483 | Johnson, Eric 554 (1489) | Won 2-1 | +181525 |
| 2sealed | 140 | Kelley, Tom (1524) | Lost 0-2 | -181507 |
| 3sealed | 598 | Sanchez, Eric (1484) | Won 2-0 | +171524 |
| 4sealed | 520 | Felix, Elijah (1458) | Lost 1-2 | -191505 |
| 5sealed | 423 | Wadsworth, Jared (1372) | Won 2-0 | +161521 |
| 6sealed | 307 | Lister, Chloe (1497) | Won 2-1 | +171538 |
| 7sealed | 291 | Jenkins, Tracie (1332) | Won 2-1 | +151553 |
| 8sealed | 227 | Clausen, James (1549) | Won 2-1 | +181571 |
| 9sealed | 159 | Ugale, Ashwin (1799) | Lost 0-2 | -141557 |
| 10draft | 5127 | Stone, Alexander (1564) | Won 2-1 | +181575 |
| 11draft | 5074 | Hristis, Michael (1818) | Lost 0-2 | -141561 |
| 12draft | 5125 | Bruner, Christopher (1621) | Lost 0-2 | -171544 |
| 13draft | 5104 | Boonjue, Nathavut (1572) | Won 2-0 | +191563 |
| 14draft | 6003 | Payn, Curtis (1577) | Lost 1-2 | -181545 |
| 15draft | 6014 | Wu, Jia (1693) | Won 2-0 | +211566 |
| top | average opponent: 1557record: 9-6 | new rating: 1566 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 364 | VanSlyke, Brad (1591) | Lost 1-2 | -161470 |
| 2sealed | 517 | Cramer, Jack (1485) | Lost 0-2 | -181452 |
| 3sealed | 899 | Child, Jake (1466) | Won 2-1 | +191471 |
| 4sealed | 724 | Douglass, Jarred (1484) | Lost 1-2 | -181453 |
| 5sealed | 799 | Richard, Lukas (1473) | Lost 1-2 | -181435 |
| 6sealed | 733 | Eden, Aaron (1446) | Won 2-0 | +191454 |
| 7sealed | 623 | Tam, Keaton (1466) | Won 2-0 | +181472 |
| 8sealed | 515 | Costello, Spencer (1384) | Won 2-0 | +161488 |
| 9sealed | 403 | Ogami, Kenneth (1543) | Won 2-0 | +191507 |
| top | average opponent: 1482record: 5-4 | new rating: 1507 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 12 | Connor, John (1566) | Lost 1-2 | -171521 |
| 4standard | 296 | Mascorro, Fernando (1582) | Lost 1-2 | -171504 |
| 5standard | 364 | Ioerger, Roderick (1523) | Lost 1-2 | -181486 |
| top | average opponent: 1557record: 0-3 | new rating: 1486 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Montano, Michael (1500) | Won 2-0 | +171544 |
| 2sealed | 34 | Sobottka, Harris (1451) | Won 2-0 | +161560 |
| 3sealed | 107 | Smith, Brian 2 (1539) | Lost 1-2 | -181542 |
| 4sealed | 196 | Shirakihara, Ryuuichi (1566) | Lost 1-2 | -181524 |
| 5sealed | 285 | Powers, Randy (1410) | Won 2-0 | +161540 |
| 6sealed | 154 | Stednitz, David (1450) | Won 2-0 | +171557 |
| 7sealed | 160 | Zwick, Alon (1535) | Lost 0-2 | -191538 |
| top | average opponent: 1493record: 4-3 | new rating: 1538 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 653 | Warrington, Chris (1500) | Won 2-0 | +191489 |
| 2sealed | 636 | Forker, Nicholas (1518) | Won 2-0 | +181507 |
| 3sealed | 696 | White, Marcel (1536) | Lost 1-2 | -171490 |
| 4sealed | 725 | Sheldon, Abigail (1518) | Lost 0-2 | -181472 |
| 5sealed | 758 | Bathurst, Scott (1398) | Won 2-0 | +171489 |
| 6sealed | 566 | Tcheng, Matthew (1515) | Won 2-0 | +191508 |
| 7sealed | 371 | Zuckman, David (1536) | Won 2-1 | +181526 |
| 8sealed | 317 | Holliday, Dennis (1523) | Won 2-1 | +181544 |
| 9sealed | 202 | Kishimoto, Brian (1578) | Lost 0-2 | -171527 |
| top | average opponent: 1513record: 6-3 | new rating: 1527 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Fullbright, Garrett (1500) | Won 2-1 | +181519 |
| 2sealed | 25 | Balado Bradarich, Jose Alejandro (1652) | Lost 1-2 | -161503 |
| 3sealed | 132 | Frias, Daniel (1637) | Lost 0-2 | -151488 |
| 4sealed | 219 | Wijaya, Vidianto (1541) | Lost 0-2 | -171471 |
| 5sealed | 213 | Beale, Wyatt (1464) | Won 2-1 | +171488 |
| 6sealed | 177 | Mao, Patrick (1483) | Lost 0-2 | -181470 |
| top | average opponent: 1546record: 2-4 | new rating: 1470 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 103 | Weeden, Eric (1519) | Lost 1-2 | -181482 |
| 2extended | 235 | Du, Kien (1464) | Draw 1-1 | 01482 |
| 3extended | 320 | Teasley, Dalton (1482) | Won 2-1 | +181500 |
| 4extended | 274 | Fairbourne, ben J (1501) | Won 2-1 | +181518 |
| 5extended | 203 | De Vera, Brandon (1519) | Won 2-1 | +181536 |
| 6extended | 130 | Bustos, Marco Antonio (1491) | Lost 1-2 | -191517 |
| 7extended | 182 | Adams, Ken (1670) | Lost 0-2 | -151502 |
| 8extended | 159 | Hickman, Joshua (1453) | Won 2-1 | +171519 |
| 9extended | 116 | Cristos, Dustin (1501) | Lost 0-2 | -181501 |
| top | average opponent: 1511record: 4-4-1 | new rating: 1501 | ||