Landes, Jack
Current rating: 1354
Record: 9-20
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1389 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 563 | Hampton, Andrew (1722) | Lost 0-2 | -121377 |
| 2pioneer | 572 | Greene, Charles (1501) | Lost 0-2 | -161361 |
| 3pioneer | 634 | Lo, Laurence (1581) | Lost 0-2 | -141347 |
| 4pioneer | 582 | Brott, Jordan (1558) | Won 2-1 | +221369 |
| 5pioneer | 574 | Aymie, Zachary (1571) | Lost 1-2 | -151354 |
| top | average opponent: 1587record: 1-4 | new rating: 1354 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1418 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 29 | Martinez, Ruben (1524) | Lost 0-2 | -161402 |
| 2modern | 586 | Murphy, Nate (1483) | Lost 0-2 | -161386 |
| 3modern | 845 | Hill, Jeffrey (1475) | Won 2-0 | +191405 |
| 4modern | 578 | Graham, Cedar (1482) | Lost 1-2 | -161389 |
| top | average opponent: 1491record: 1-3 | new rating: 1389 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 324 | Yunker, Christopher (1482) | Lost 1-2 | -181464 |
| 2modern | 748 | Martin, Jacob (1459) | Won 2-1 | +181482 |
| 3modern | 1171 | Anghelescu, Jonathan (1811) | Lost 1-2 | -121470 |
| 4modern | 1190 | Hibbard, Dalton (1545) | Lost 1-2 | -171453 |
| 5modern | 1316 | Mahadeo, Dinesh (1557) | Lost 1-2 | -161437 |
| 6modern | 1239 | Maguire, Sean (1406) | Lost 1-2 | -191418 |
| top | average opponent: 1543record: 1-5 | new rating: 1418 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 474 | Quesada, Victor (1443) | Won 2-0 | +181463 |
| 2modern | 456 | Lee, Robert (1511) | Won 2-0 | +191482 |
| 3modern | 171 | Thomas, Kenneth (1588) | Won 2-1 | +201502 |
| 4modern | 73 | Tang, Jeffrey (1658) | Lost 1-2 | -161486 |
| 5modern | 250 | Han, Sirus (1536) | Won 2-1 | +191505 |
| 6modern | 209 | Boggemes, Kyle (2025) | Lost 0-2 | -91496 |
| 7modern | 258 | Casasola, Oscar (1627) | Lost 0-2 | -161480 |
| 8modern | 531 | Shubin, Max (1472) | Won 2-0 | +181498 |
| 9modern | 271 | Flores, Gator (1599) | Lost 1-2 | -161482 |
| top | average opponent: 1607record: 5-4 | new rating: 1482 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 33 | Apuzzo, Randy (1500) | Lost 0-2 | -181482 |
| 2standard | 569 | Lebrilla, Kevin (1506) | Lost 1-2 | -181464 |
| 3standard | 632 | Vallee, Kyle (1430) | Won 2-0 | +181482 |
| 4standard | 493 | Tajonar, Ivan (1423) | Lost 1-2 | -191463 |
| 5standard | 615 | Sajasi, Leo (1465) | Lost 0-2 | -181445 |
| top | average opponent: 1465record: 1-4 | new rating: 1445 | ||