Chu, Derrek
Current rating: 1613
Record: 36-32
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 191 | Conde, Alex (1404) | Won 2-0 | +151595 |
| 2pioneer | 195 | Brown, Alex 2747 (1793) | Won 2-0 | +211616 |
| 3pioneer | 89 | Lloyd, Alex (1510) | Lost 1-2 | -201596 |
| 4pioneer | 267 | Gonzales, Roberto (1490) | Won 2-1 | +161612 |
| 5pioneer | 183 | Glass, Campbell (1810) | Lost 1-2 | -141598 |
| 6pioneer | 221 | Spicer, Kory (1480) | Won 2-1 | +161614 |
| 7pioneer | 181 | Belisle, Sean (1602) | Won 2-1 | +181632 |
| 8pioneer | 142 | Cieszinski, Michael (1573) | Lost 0-2 | -191613 |
| top | average opponent: 1583record: 5-3 | new rating: 1613 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 439 | McMahan, Patrick (1414) | Lost 1-2 | -221577 |
| A2sealed | 576 | Tobin, Patrick (1481) | Won 2-0 | +171594 |
| A3sealed | 401 | Brouillet, Daniel (1840) | Lost 1-2 | -141580 |
| A4sealed | 348 | O'Connor, Michael (1604) | Lost 0-2 | -181562 |
| B1sealed | 334 | Dolbeer, Jed (1648) | Lost 0-2 | -161546 |
| B2sealed | 635 | Robinson, Thomas (1565) | Won 2-0 | +181564 |
| B3sealed | 396 | LaVassaur, Chris (1678) | Won 2-1 | +201584 |
| B4sealed | 325 | Schwartz, Daniel J (1609) | Lost 0-2 | -171567 |
| B5sealed | 283 | Crackenberg, Peter (1478) | Won 2-1 | +161583 |
| B6sealed | 261 | Gae, Jesse (1471) | Won 2-0 | +161599 |
| B7sealed | 217 | Cao, Timothy (1532) | Lost 0-2 | -191580 |
| top | average opponent: 1574record: 5-6 | new rating: 1580 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 189 | Pearlman, Steven (1443) | Won 2-1 | +151628 |
| 2modern | 112 | Neal, J Michael (1518) | Lost 0-2 | -201608 |
| 3modern | 433 | Patrick, Douglas (1490) | Won 2-0 | +161624 |
| 4modern | 359 | Smith, Jamie (1402) | Lost 0-2 | -221602 |
| 5modern | 160 | Ross, Donald (1503) | Won 2-0 | +161618 |
| 6modern | 293 | Wang, Paul (1415) | Won 2-1 | +151633 |
| 7modern | 116 | Bennett, Kyle (1550) | Lost 1-2 | -201613 |
| 8modern | 196 | Lew, Michael (1799) | Lost 1-2 | -141599 |
| top | average opponent: 1515record: 4-4 | new rating: 1599 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Shayne, Will (1500) | Lost 1-2 | -201577 |
| 2standard | 270 | Greene, Robert (1547) | Won 2-0 | +181595 |
| 3standard | 325 | Killeen, Tristan (1728) | Lost 0-2 | -161579 |
| 4standard | 464 | Slater, Michael (1464) | Won 2-1 | +161595 |
| 5standard | 331 | Biaggi, Andrea (1534) | Won 2-0 | +171612 |
| 6standard | 240 | Mei, Mike Songhao (1658) | Won 2-1 | +191631 |
| 7standard | 183 | Cooper, Tyler (1670) | Lost 1-2 | -181613 |
| top | average opponent: 1586record: 4-3 | new rating: 1613 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 167 | Weis, Kevin (1488) | Won 2-0 | +171560 |
| 2standard | 202 | Peterson, Sean (1747) | Won 2-1 | +221582 |
| 3standard | 137 | Kovac, Chase (1929) | Won 2-1 | +241606 |
| 4standard | 151 | Sullivan, Cameron (1807) | Won 2-0 | +211627 |
| 5standard | 64 | Cathro, Daniel (1797) | Lost 1-2 | -141613 |
| 6standard | 67 | Mei, Mike Songhao (1653) | Won 2-1 | +181631 |
| 7standard | 32 | Job, Jonathan (1850) | Lost 0-2 | -141617 |
| 8standard | 95 | Garcia-Reid, Nicklaus (1498) | Lost 0-2 | -201597 |
| top | average opponent: 1721record: 5-3 | new rating: 1597 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 745 | Roy, Anjon (1780) | Won 2-1 | +231526 |
| 2modern | 45 | Bates, Harrison (1510) | Won 2-1 | +171543 |
| 3modern | 100 | Chouinard, Yann-Alexandre (1769) | Won 2-1 | +231566 |
| 4modern | 2116 | Mcclain, Josh (1931) | Won 2-0 | +241590 |
| 5modern | 64 | Murase, Hiroshi (1815) | Lost 0-2 | -141576 |
| 6modern | 319 | Curran, Ben (1648) | Won 2-1 | +191595 |
| 7modern | 227 | Corbett, Bryan (1607) | Lost 1-2 | -181577 |
| 8modern | 2125 | Seaton, John (1626) | Won 2-0 | +191596 |
| 9modern | 196 | Felber, Andrew (1651) | Won 2-1 | +191615 |
| 10modern | 176 | Moses, Justin (1544) | Won 2-1 | +171632 |
| 11modern | 55 | Phillips, Jase (1653) | Lost 0-2 | -181614 |
| 12modern | 207 | Hiatt, Cody (1619) | Lost 0-2 | -171597 |
| 13modern | 246 | Dillon, Wayne (1599) | Lost 1-2 | -181579 |
| 14modern | 260 | Sato, Keisuke (1671) | Lost 1-2 | -171562 |
| 15modern | 251 | Hernandez, Guillermo (1518) | Lost 1-2 | -191543 |
| top | average opponent: 1663record: 8-7 | new rating: 1543 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 367 | Ostwalt, Levi (1500) | Won 2-0 | +191482 |
| 2modern | 60 | Mitchell, Zane 2 (1573) | Lost 1-2 | -161466 |
| 3modern | 626 | Akers, Chris (1759) | Won 2-0 | +231489 |
| 4modern | 275 | Liu, Ray (1657) | Won 2-1 | +211510 |
| 5modern | 424 | Lai, Jimmy (1473) | Lost 0-2 | -191491 |
| 6modern | 435 | Van Scyoc, Lenny (1496) | Won 2-0 | +181509 |
| 7modern | 226 | Botis, Juan Carlos (1687) | Lost 0-2 | -151494 |
| 8modern | 422 | Lipp, Scott (2013) | Lost 1-2 | -91485 |
| 9modern | 493 | Ballaris, Edward (1470) | Won 2-0 | +181503 |
| top | average opponent: 1625record: 5-4 | new rating: 1503 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 209 | Anderson, Joseph M (1420) | Lost 1-2 | -191481 |
| 2sealed | 382 | Fox, Niki (1518) | Lost 1-2 | -181463 |
| top | average opponent: 1469record: 0-2 | new rating: 1463 | ||