Langsam, Peter
Current rating: 1567
Record: 16-13-1
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 442 | Withrow, Brandon (1515) | Won 2-0 | +171554 |
| 2legacy | 359 | Barley, Zach (1506) | Won 2-0 | +181572 |
| 3legacy | 125 | Johnson, Morgan (1478) | Lost 1-2 | -201552 |
| 4legacy | 201 | Leisenring, Mason (1515) | Lost 0-2 | -191533 |
| 5legacy | 457 | Reckas, Zach (1458) | Lost 0-2 | -191514 |
| 6legacy | 499 | Aba, Christopher (1434) | Won 2-0 | +161530 |
| 7legacy | 416 | Ho, Victor (1523) | Won 2-0 | +181548 |
| 8legacy | 336 | Mohamed, Aaron (1583) | Won 2-0 | +191567 |
| top | average opponent: 1501record: 5-3 | new rating: 1567 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 18 | Westover, Tyler (1500) | Won 2-1 | +191468 |
| 2legacy | 53 | Valente, Joey (1633) | Lost 0-2 | -151453 |
| 3legacy | 745 | Flowers, Tj (1501) | Won 2-0 | +191472 |
| 4legacy | 793 | Kahla, Sam (1565) | Draw 1-1 | +21474 |
| 5legacy | 596 | Chow, Harold (1520) | Won 2-1 | +181492 |
| 6legacy | 379 | Taylor, Zach (1640) | Won 2-1 | +211513 |
| 7legacy | 242 | Jenkins, Mark (1321) | Lost 0-2 | -211492 |
| 8legacy | 408 | Abrams, Sean (1500) | Won 2-0 | +181510 |
| 9legacy | 269 | Selski, Benjamin (1553) | Won 2-1 | +191529 |
| 10legacy | 190 | Harper, Travis (1571) | Lost 1-2 | -181511 |
| 11legacy | 260 | Miller, Chad (1493) | Won 2-0 | +181529 |
| 12legacy | 187 | Krenik, Alex (1654) | Lost 1-2 | -161513 |
| 13legacy | 220 | Seo, Kenta (1614) | Won 2-1 | +201533 |
| 14legacy | 169 | Woods, Jeff (1520) | Lost 1-2 | -181515 |
| 15legacy | 183 | Kusakabe, Kyohei (1731) | Won 2-1 | +221537 |
| top | average opponent: 1554record: 9-5-1 | new rating: 1537 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 621 | Chieng, Philip (1644) | Lost 0-2 | -151485 |
| 2legacy | 523 | Wiltsey, Wardon (1458) | Lost 0-2 | -191466 |
| 3legacy | 889 | Lazar, Adam (1463) | Won 2-0 | +181484 |
| 4legacy | 682 | Chong, Rick (1722) | Won 2-0 | +221506 |
| 5legacy | 555 | Liberto, Lance (1486) | Lost 0-2 | -181488 |
| 6legacy | 574 | Czyzewski, Shane (1429) | Lost 1-2 | -191469 |
| 7legacy | 560 | Chauvet, Christopher (1373) | Lost 0-2 | -201449 |
| top | average opponent: 1511record: 2-5 | new rating: 1449 | ||