Birnecker, Lion
Current rating: 1541
Record: 9-8
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 319 | Snook, Adam (1791) | Won 2-0 | +221555 |
| 2pioneer | 301 | Franck, Nolan (1520) | Won 2-1 | +181573 |
| 3pioneer | 48 | Reed, Jim (1570) | Won 2-0 | +181591 |
| 4pioneer | 37 | McClelon III, Robert (1597) | Lost 0-2 | -181573 |
| 5pioneer | 194 | Smith, Zachary (1741) | Lost 1-2 | -151558 |
| 6pioneer | 271 | Paoli, Ramon (1549) | Won 2-0 | +181576 |
| 7pioneer | 205 | Del Nero, Damian (1630) | Lost 0-2 | -181558 |
| 8pioneer | 296 | Rataiczak, TJ (1564) | Lost 1-2 | -171541 |
| average opponent: 1620record: 4-4 | new rating: 1541 | |||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | O'Donnell, Devon (1735) | Lost 1-2 | -141486 |
| 2standard | 384 | Arebalo, Chris (1449) | Lost 0-2 | -181468 |
| 3standard | 394 | Crady, Matthew (1472) | Won 2-0 | +181486 |
| 4standard | 329 | Nikolaou, Vasilios (1485) | Won 2-0 | +181504 |
| 5standard | 227 | Fields, Larry (1513) | Lost 1-2 | -181486 |
| 6standard | 250 | Tilsen, Patrick (1457) | Won 2-1 | +171503 |
| 7standard | 246 | Severs, Shane (1703) | Won 2-1 | +221525 |
| 8standard | 118 | Nass, Matthew (1851) | Won 2-0 | +241549 |
| 9standard | 133 | Powell, Piper (1658) | Lost 0-2 | -161533 |
| average opponent: 1592record: 5-4 | new rating: 1533 | |||