Contreras, Zane
Current rating: 1447
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Warden, Justin (1546) | Lost 0-2 | -161438 |
| 2sealed | 450 | Chong, Rick (1866) | Lost 1-2 | -111427 |
| 3sealed | 562 | Poczulp, Gina (1411) | Won 2-0 | +181445 |
| 4sealed | 465 | Ha, Nicolas (1562) | Won 2-1 | +201465 |
| 5sealed | 441 | Corcoran, Dominic (1500) | Lost 1-2 | -181447 |
| top | average opponent: 1577record: 2-3 | new rating: 1447 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 830 | Whaley, Jerry (1638) | Lost 1-2 | -151470 |
| 2modern | 747 | Barzola, Juan Pablo (1536) | Won 2-1 | +191489 |
| 3modern | 1199 | Frey, David (1541) | Lost 1-2 | -171472 |
| 4modern | 1322 | Lindsay, Andrew (1481) | Lost 1-2 | -181454 |
| top | average opponent: 1549record: 1-3 | new rating: 1454 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 302 | Martinez, Cyrus (1434) | Won 2-0 | +171517 |
| 2standard | 15 | Tabaldo, Brandon (1485) | Lost 1-2 | -191498 |
| 3standard | 504 | Goodarzi, Dustin (1502) | Won 2-0 | +181516 |
| 4standard | 227 | Alonso, Jeovani (1638) | Lost 1-2 | -161500 |
| 5standard | 531 | Landers, Nathaniel (1386) | Won 2-1 | +161516 |
| 6standard | 272 | Joens, Klaus (1787) | Lost 0-2 | -131503 |
| 7standard | 351 | Alferez, Marcelo (1484) | Lost 0-2 | -181485 |
| top | average opponent: 1531record: 3-4 | new rating: 1485 | ||