Cook, Cassidy
Current rating: 1676
Record: 37-26-1
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1716 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 523 | Negrete, Carlo (1410) | Lost 1-2 | -241692 |
| 2pioneer | 354 | Fleenor, Kenneth (1481) | Won 2-1 | +141706 |
| 3pioneer | 212 | Armstrong, Joshua (1465) | Won 2-0 | +141720 |
| 4pioneer | 146 | Halderman, Patrick (1523) | Won 2-1 | +151735 |
| 5pioneer | 79 | Cruz, Joseph (1635) | Lost 1-2 | -201715 |
| 6pioneer | 251 | Garza, Cesar (1748) | Lost 1-2 | -181697 |
| 7pioneer | 324 | Brandes, Luke (1504) | Lost 1-2 | -211676 |
| top | average opponent: 1538record: 3-4 | new rating: 1676 | ||
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1744 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 554 | Ohanian, Alec (1457) | Won 2-1 | +131757 |
| 2pioneer | 83 | Timmler, Kye (1781) | Draw 1-1 | +11758 |
| 3pioneer | 150 | Edington, Jesse (1618) | Won 2-1 | +151773 |
| 4pioneer | 77 | Knorr, Jackson (1756) | Lost 0-2 | -181755 |
| 5pioneer | 177 | Gao, Changsong (1533) | Lost 0-2 | -221733 |
| 6pioneer | 298 | Mendoza Cruz, Gerardo (1777) | Lost 0-2 | -171716 |
| top | average opponent: 1654record: 2-3-1 | new rating: 1716 | ||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1690 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 377 | Ailstock, James (1500) | Won 2-1 | +151705 |
| 2standard | 7 | Kim, Justen (1530) | Won 2-1 | +151720 |
| 3standard | 85 | Woodbury, Elijah (1536) | Won 2-1 | +141734 |
| 4standard | 30 | Edgar, Winston (1560) | Won 2-0 | +151749 |
| 5standard | 11 | Peagler, Sam (1660) | Won 2-1 | +171766 |
| 6standard | 3 | Chen, Kevin (1741) | Won 2-0 | +171783 |
| 7standard | 2 | Willis, Joshua (1641) | Lost 0-2 | -201763 |
| 8standard | 184 | Lancaster, Charles (1664) | Lost 1-2 | -201743 |
| 9standard | 57 | Tanner, Branden (1606) | Lost 1-2 | -211722 |
| 10standard | 54 | Peretz, Michael (1710) | Won 2-0 | +181740 |
| 11standard | 56 | Thanakit, Kevin (1833) | Won 2-0 | +201760 |
| 12standard | 40 | Sadowsky, Joel (1853) | Won 2-0 | +191779 |
| 13standard | 20 | Jones, Eric (1682) | Lost 0-2 | -191760 |
| 14standard | 29 | Nelson, Brandon (1903) | Lost 1-2 | -161744 |
| top | average opponent: 1673record: 9-5 | new rating: 1744 | ||
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1676 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1032 | Anadio, Joseph (1535) | Won 2-0 | +161692 |
| 2pioneer | 1140 | Gallagher, Sean (1519) | Lost 1-2 | -211671 |
| 3pioneer | 1146 | Sheppard, Bradley (1672) | Won 2-0 | +181689 |
| 4pioneer | 1133 | Johnston, James (1747) | Lost 0-2 | -171672 |
| 5pioneer | 1162 | Negrete, Carlo (1512) | Won 2-1 | +151687 |
| 6pioneer | 1112 | Ekdahl, Nils (1527) | Won 2-1 | +151702 |
| 7pioneer | 1090 | Lundquist, Ben (1922) | Lost 0-2 | -141688 |
| 8pioneer | 1191 | Messeder, Isaac (1530) | Won 2-0 | +151703 |
| 9pioneer | 1119 | Mize, Logan (1996) | Lost 1-2 | -131690 |
| top | average opponent: 1662record: 5-4 | new rating: 1690 | ||
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1662 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 160 | Solana-Walkinshaw, Noble (1780) | Lost 0-2 | -161646 |
| 3pioneer | 320 | Stevenson, James (1690) | Lost 0-2 | -171629 |
| 4pioneer | 388 | Lundberg, Matthew (1452) | Won 2-0 | +141643 |
| 5pioneer | 266 | McFayden, Connor (1501) | Won 2-1 | +161659 |
| 6pioneer | 199 | Brazil, Isaac (1623) | Won 2-1 | +171676 |
| 7pioneer | 204 | Jacobs, Dakota (1501) | Won 2-0 | +151691 |
| 8pioneer | 68 | Knox, Nathaniel (1882) | Lost 0-2 | -151676 |
| top | average opponent: 1633record: 4-3 | new rating: 1676 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 11 | Whaley, Jerry (1749) | Won 2-0 | +221554 |
| 3modern | 271 | York, Liam (1534) | Won 2-1 | +181572 |
| 4modern | 107 | Estephan, Jessica (1572) | Won 2-0 | +181590 |
| 5modern | 22 | Watkins, Steven (1706) | Won 2-0 | +201610 |
| 6modern | 15 | Lindner, Jeff (1672) | Won 2-1 | +191629 |
| 7modern | 2 | Cole, Seth (1695) | Won 2-1 | +191648 |
| 8modern | 10 | Poon, Alex (1632) | Lost 0-2 | -181630 |
| 9modern | 33 | Guevarra, Nicolo (1802) | Won 2-0 | +211651 |
| 10modern | 16 | Nguyen, David (1842) | Lost 1-2 | -141637 |
| 11modern | 56 | Flaczinski, Jake (1691) | Lost 1-2 | -171620 |
| 12modern | 90 | Haderlein, Peter (1609) | Lost 1-2 | -191601 |
| 13modern | 103 | Sacks, Neal (1777) | Won 2-0 | +221623 |
| 14modern | 76 | Boncher, Andrew (1819) | Won 2-0 | +211644 |
| 15modern | 43 | Shen, Max (1612) | Won 2-0 | +181662 |
| top | average opponent: 1694record: 10-4 | new rating: 1662 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 187 | Vongsahom, Hal (1518) | Won 2-1 | +181518 |
| 3standard | 56 | Aragoneses, Adolfo (1500) | Won 2-0 | +181536 |
| 4standard | 10 | Kiefer, Quinn (1725) | Won 2-1 | +211557 |
| 5standard | 42 | Baeckstrom, Andrew (2008) | Lost 0-2 | -101547 |
| 6standard | 133 | Gonzalez, Gabriel (1615) | Lost 0-2 | -171530 |
| 7standard | 212 | Oman, Todd (1475) | Won 2-0 | +171547 |
| 8standard | 105 | Paxton, Corey (1720) | Lost 0-2 | -151532 |
| top | average opponent: 1652record: 4-3 | new rating: 1532 | ||