Powell, Chris
Current rating: 1429
Record: 25-30-3
| Grand Prix Oakland 2019 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 80 | Li, Bruce (1572) | Lost 0-2 | -161445 |
| 2modern | 391 | Magdaleno, Joseph (1476) | Lost 0-2 | -171428 |
| 3modern | 506 | Alcaraz, Alex (1464) | Lost 1-2 | -171411 |
| 4modern | 522 | Thelin, Jasper (1344) | Won 2-0 | +161427 |
| 5modern | 447 | Lee, Quincy (1463) | Won 2-0 | +191446 |
| 6modern | 374 | Mayer, Jacob (1483) | Lost 0-2 | -171429 |
| top | average opponent: 1467record: 2-4 | new rating: 1429 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Yob, Carl (1466) | Won 2-1 | +181495 |
| 2modern | 300 | Wildi, Jonathan (1517) | Lost 0-2 | -181477 |
| 3modern | 397 | Goldstein, Danny (1707) | Lost 0-2 | -141463 |
| 4modern | 759 | Kunnap, Michael (1478) | Won 2-0 | +181481 |
| 5modern | 514 | Moore-Brown, Justin (1372) | Lost 0-2 | -201461 |
| top | average opponent: 1508record: 2-3 | new rating: 1461 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 668 | Mulvihill, Jayson (1454) | Won 2-1 | +171493 |
| 2modern | 1345 | Bodnar, Matthew (1499) | Lost 1-2 | -181475 |
| 3modern | 834 | Green, Tucker (1502) | Won 2-0 | +191494 |
| 4modern | 601 | Susak, Eric (1535) | Lost 0-2 | -171477 |
| 5modern | 661 | Nguyen, Lee Hung (1515) | Lost 0-2 | -181459 |
| 6modern | 630 | Piniol, Glenn (1434) | Won 2-1 | +181477 |
| top | average opponent: 1490record: 3-3 | new rating: 1477 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 654 | Thompson, Curtis (1372) | Lost 1-2 | -201476 |
| 2modern | 881 | Zambrano, Enrique (1496) | Won 2-1 | +181494 |
| 3modern | 1088 | Mickelson, Ethan (1366) | Lost 1-2 | -201474 |
| 4modern | 1142 | Cohen, Brent (1497) | Lost 0-2 | -181456 |
| 5modern | 1238 | Williams, Jonathan (1543) | Won 2-1 | +201476 |
| 6modern | 1018 | Lobo-Lam, Hyrum (1478) | Lost 1-2 | -181458 |
| 7modern | 1096 | Ruff, Katelynn (1460) | Won 2-0 | +181476 |
| top | average opponent: 1459record: 3-4 | new rating: 1476 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 488 | Mah, Kenji (1500) | Won 2-1 | +181489 |
| 2sealed | 301 | Hsu, Charlie (1488) | Lost 1-2 | -181471 |
| 3sealed | 593 | Selski, Benjamin (1406) | Lost 1-2 | -191452 |
| 4sealed | 821 | Duval, Dylan (1482) | Lost 1-2 | -171435 |
| 5sealed | 783 | Selivra, Andrej (1644) | Won 2-0 | +211456 |
| 6sealed | 597 | Joiner, Jody (1443) | Won 2-1 | +181474 |
| 7sealed | 482 | Henderson, Craig (1518) | Won 2-1 | +191493 |
| 8sealed | 361 | Wardell, Evan (1568) | Won 2-0 | +191512 |
| 9sealed | 239 | Burns, Richard (1594) | Lost 0-2 | -161496 |
| top | average opponent: 1516record: 5-4 | new rating: 1496 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Fryer, Dylan (1500) | Won 2-0 | +181481 |
| 2standard | 229 | Lapin, Alex (1459) | Won 2-1 | +181499 |
| 3standard | 340 | Ho, Eugene (1741) | Lost 0-2 | -141485 |
| 4standard | 300 | Kimura, Scott (1515) | Won 2-1 | +191504 |
| 5standard | 374 | Jackson, Ron (1591) | Draw 1-1 | +11505 |
| 6standard | 268 | Turney, Christopher (1515) | Lost 1-2 | -181487 |
| 7standard | 424 | King, Jonathan (1556) | Lost 1-2 | -161471 |
| top | average opponent: 1554record: 3-3-1 | new rating: 1471 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 156 | Herren, Jason (1518) | Lost 0-2 | -181499 |
| 4sealed | 146 | Harvey, Michael (1517) | Lost 1-2 | -171482 |
| 5sealed | 219 | Palmer, Andrew (1399) | Won 2-0 | +161498 |
| 6sealed | 128 | Wardell, Evan (1549) | Lost 1-2 | -171481 |
| 7sealed | 196 | Mowles, Jeremy (1448) | Lost 0-2 | -181463 |
| top | average opponent: 1486record: 1-4 | new rating: 1463 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 302 | Dymerski, Matt (1497) | Lost 1-2 | -181501 |
| 2sealed | 579 | Lowry, Nick (1482) | Won 2-0 | +181519 |
| 3sealed | 467 | Now, Matthew (1463) | Draw 1-1 | -11518 |
| 4sealed | 592 | Paolucci, Angelo (1504) | Draw 1-1 | -11517 |
| top | average opponent: 1487record: 1-1-2 | new rating: 1517 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 222 | Ching, Alex (1500) | Won 2-1 | +181518 |
| 2sealed | 272 | Griffin, Patrick (1711) | Won 2-0 | +211539 |
| 3sealed | 107 | Yuen, Norman (1468) | Lost 0-2 | -191520 |
| 4sealed | 286 | Barker, Matt (1535) | Won 2-1 | +181538 |
| 5sealed | 114 | Garcia, Joy (1492) | Won 2-0 | +181556 |
| 6sealed | 137 | Saplan, Aldrich (1555) | Won 2-1 | +181574 |
| 7sealed | 63 | Messenger, Jonah (1563) | Lost 1-2 | -191555 |
| 8sealed | 97 | Ferejohn, Chris (1555) | Lost 1-2 | -181537 |
| 9sealed | 109 | Yin, Andrew (1539) | Lost 1-2 | -181519 |
| top | average opponent: 1546record: 5-4 | new rating: 1519 | ||