Peters, John
Current rating: 1396
Record: 10-17
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 399 | Doyle, Patrick (1478) | Won 2-1 | +191441 |
| 2sealed | 103 | Davis, Ethan (1608) | Lost 0-2 | -151426 |
| 3sealed | 484 | Reichard, Ben (1457) | Won 2-0 | +191445 |
| 4sealed | 519 | Lewis, Alex (1494) | Lost 0-2 | -171428 |
| 5sealed | 579 | McClure, Micheal (1581) | Lost 0-2 | -151413 |
| 6sealed | 545 | Dunlap, William (1478) | Lost 1-2 | -171396 |
| top | average opponent: 1516record: 2-4 | new rating: 1396 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 495 | Gonzales, Luis (1418) | Won 2-0 | +181475 |
| 2standard | 260 | Solis Mancilla, Oscar (1451) | Lost 1-2 | -191456 |
| 3standard | 401 | LaMunyon, Josh (1528) | Lost 0-2 | -161440 |
| 4standard | 675 | Priest, Edward (1480) | Lost 1-2 | -181422 |
| top | average opponent: 1469record: 1-3 | new rating: 1422 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 644 | Rosier, Keith (1501) | Lost 0-2 | -171432 |
| 2legacy | 599 | Farnsworth-Garel, James (1437) | Won 2-1 | +181450 |
| 3legacy | 792 | Pickett, Alastair (1732) | Lost 0-2 | -131437 |
| 4legacy | 845 | Neuschwander, Justin (1461) | Won 2-1 | +191456 |
| 5legacy | 514 | Fesler, Chris (1503) | Won 2-0 | +191475 |
| 6legacy | 553 | Corruccini, Joseph (1516) | Lost 1-2 | -181457 |
| top | average opponent: 1525record: 3-3 | new rating: 1457 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 229 | Richards, Adam F (1500) | Won 2-0 | +191485 |
| 2modern | 13 | Hickes, Hunter (1492) | Lost 1-2 | -181467 |
| 3modern | 231 | Prater, Joseph (1499) | Lost 0-2 | -181449 |
| top | average opponent: 1497record: 1-2 | new rating: 1449 | ||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 33 | Updegraff, Derek (1500) | Won 2-0 | +181520 |
| 2block | 19 | Chapman, Ryan (1518) | Lost 0-2 | -181502 |
| 3block | 176 | Hagy, Steven (1500) | Lost 0-2 | -181484 |
| 4block | 178 | Mitchell, Brian (1484) | Lost 0-2 | -181466 |
| top | average opponent: 1500record: 1-3 | new rating: 1466 | ||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Clark, Kevin (1500) | Won 2-0 | +181518 |
| 2standard | 63 | Halter, James (1642) | Won 2-0 | +201538 |
| 3standard | 93 | Donahoe, Chris (1550) | Lost 0-2 | -181520 |
| 4standard | 111 | Greer, Joseph (1504) | Lost 1-2 | -181502 |
| top | average opponent: 1549record: 2-2 | new rating: 1502 | ||