Marsh, Chris
Current rating: 1543
Record: 15-15-3
| Grand Prix Reno 2020 (THB limited) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Aune, Eirik (1873) | Lost 1-2 | -131564 |
| 2sealed | 205 | Perdiguerra, Jerry (1507) | Won 2-1 | +171581 |
| 3sealed | 195 | Jung, Theodore (1674) | Lost 0-2 | -161565 |
| 4sealed | 239 | Saplan, Aldrich (1455) | Draw 1-1 | -21563 |
| 5sealed | 242 | Wang, Kevin (1434) | Lost 0-2 | -201543 |
| top | average opponent: 1589record: 1-3-1 | new rating: 1543 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 452 | Chan, Joshua (1500) | Lost 0-2 | -171433 |
| A2sealed | 652 | Hodges, Logan (1481) | Won 2-0 | +191452 |
| A3sealed | 256 | Perez-Bermejo, Juan (1506) | Draw 1-1 | +11453 |
| A4sealed | 309 | Lugli, Vince (1503) | Lost 1-2 | -171436 |
| B1sealed | 364 | Soh, Ting (1472) | Won 2-1 | +191455 |
| B2sealed | 296 | Walker, Daniel (1527) | Won 2-1 | +191474 |
| B3sealed | 221 | Brouillet, Jean-Luc (1574) | Won 2-0 | +201494 |
| B4sealed | 84 | Brillante, Rachel (1531) | Won 2-0 | +181512 |
| B5sealed | 55 | Pisano, Rob (1946) | Lost 1-2 | -101502 |
| B6sealed | 85 | Peterson, Zachary (1533) | Won 2-1 | +181520 |
| B7sealed | 68 | Rigatti, Jonathan (1678) | Won 2-1 | +211541 |
| B8sealed | 41 | Cochran, Hunter (1884) | Lost 1-2 | -121529 |
| B9sealed | 469 | Barbero, Joseph (1387) | Lost 1-2 | -201509 |
| draft | 80 | Hisatomi, Kelton (1599) | Draw 1-1 | +11510 |
| draft | 37 | Loya, Darrell (1730) | Lost 1-2 | -141496 |
| draft | 126 | Jao, Jeff (1767) | Won 2-0 | +231519 |
| draft | 35 | Deitle, Sam (1488) | Won 2-1 | +181537 |
| draft | 35 | Gadzinski, Grae (1587) | Won 2-1 | +191556 |
| draft | 32 | Gilks, Greg (1747) | Won 2-1 | +211577 |
| top | average opponent: 1602record: 11-6-2 | new rating: 1577 | ||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Nolan, Michael (1467) | Lost 1-2 | -181469 |
| 2sealed | 424 | Valentine, Valerie (1482) | Won 2-0 | +181487 |
| 3sealed | 336 | Dylla, Henry (1424) | Lost 0-2 | -191468 |
| 4sealed | 494 | Archer, Richard (1490) | Lost 1-2 | -181450 |
| top | average opponent: 1466record: 1-3 | new rating: 1450 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Spear, Azrael (1622) | Lost 1-2 | -161484 |
| 2sealed | 378 | Kanthack, Ryan (1482) | Won 2-1 | +181502 |
| 3sealed | 285 | Peddicord, Nathan (1500) | Won 2-1 | +181520 |
| 4sealed | 206 | Henderson, Walter (1518) | Lost 1-2 | -181502 |
| 5sealed | 332 | Havlovic, Bob (1674) | Lost 1-2 | -151487 |
| top | average opponent: 1559record: 2-3 | new rating: 1487 | ||