Hollen, Ethan
Current rating: 1573
Record: 12-10-1
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 127 | Thompson, Brad (1578) | Won 2-0 | +181588 |
| 2pioneer | 124 | Snyder, Robert (1517) | Won 2-0 | +171605 |
| 3pioneer | 37 | Berman, Paul (1627) | Won 2-1 | +181623 |
| 4pioneer | 9 | Duran, David (1733) | Lost 1-2 | -161607 |
| 5pioneer | 95 | Jarvis, Kasey (1714) | Won 2-0 | +201627 |
| 6pioneer | 96 | Evaristo, Tommy (1626) | Lost 1-2 | -181609 |
| 7pioneer | 143 | Chu, Xiong (1739) | Lost 1-2 | -151594 |
| 8pioneer | 196 | Danis, Chris (1523) | Lost 0-2 | -201574 |
| 9pioneer | 229 | Danos, Dominic (1513) | Draw 0-0 | -11573 |
| average opponent: 1619record: 4-4-1 | new rating: 1573 | |||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 454 | Espinosa, Ivan (1937) | Lost 0-2 | -111489 |
| 2standard | 363 | Loveman, Eli (1923) | Won 2-1 | +261515 |
| 3standard | 137 | Bianchi, Alex (1677) | Won 2-0 | +211536 |
| 4standard | 76 | Magnuson, Max (1767) | Won 2-1 | +221558 |
| 5standard | 91 | Graham, Michael (1664) | Won 2-1 | +201578 |
| 6standard | 69 | Stinson, Robert (1569) | Lost 1-2 | -181560 |
| 7standard | 78 | Hannebohn, George (1550) | Won 2-1 | +181578 |
| 8standard | 87 | Blackmon, Nathan (1800) | Lost 0-2 | -141564 |
| 9standard | 88 | Mosher, Jason (1460) | Won 2-1 | +161580 |
| 10standard | 92 | Radermacher, Kenny (1629) | Won 2-0 | +191599 |
| 11standard | 36 | LaBrado, Jake (1603) | Lost 1-2 | -181581 |
| 12standard | 65 | Thanakit, Kevin (1814) | Lost 1-2 | -141567 |
| 13standard | 85 | Longlais, Lucien (1731) | Lost 0-2 | -151552 |
| 14standard | 80 | Fadel, Mohammed (1571) | Won 2-0 | +181570 |
| average opponent: 1693record: 8-6 | new rating: 1570 | |||