Rumingan, John Louis
Current rating: 1543
| Grand Prix Richmond 2014 (modern) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 267 | Rinell, Robert (1500) | Won 2-1 | +181568 |
| 2modern | 347 | Markiewicz, Walter (1520) | Lost 0-1 | -191549 |
| 3modern | 548 | Jones, Kelee (1499) | Won 2-0 | +171566 |
| 4modern | 331 | Cuccurullo, Luke (1582) | Lost 0-2 | -181548 |
| 5modern | 369 | Forget, Jonathan (1501) | Won 1-0 | +171565 |
| 6modern | 374 | Sommers, Jordan (1501) | Won 2-0 | +171582 |
| 7modern | 278 | Patrick, Cameron (1517) | Draw 1-1 | -11581 |
| 8modern | 204 | Bonilla, Byron (1520) | Lost 1-2 | -191562 |
| 9modern | 204 | Murphy, Ian (1519) | Lost 0-2 | -191543 |
| top | average opponent: 1518record: 4-4-1 | new rating: 1543 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 324 | Garcia, Chris B (1500) | Won 2-1 | +181483 |
| 2standard | 82 | Farrell, Michael K (1621) | Won 2-0 | +211504 |
| 3standard | 252 | Light, James C (1518) | Won 2-1 | +181522 |
| 4standard | 94 | Hayes, Isabel (1592) | Won 2-1 | +191541 |
| 5standard | 60 | Scott, Matt (1765) | Lost 1-2 | -141527 |
| 6standard | 125 | Anderson, Joseph F (1420) | Won 2-1 | +161543 |
| 7standard | 37 | Ferrando, Matthew (1864) | Draw 1-1 | +61549 |
| 8standard | 91 | Pangle, Jason (1608) | Won 2-0 | +191568 |
| 9standard | 55 | Thompson, Keith (1590) | Lost 0-2 | -181550 |
| top | average opponent: 1609record: 6-2-1 | new rating: 1550 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 780 | Bozarth, Alex (1518) | Lost 1-2 | -181482 |
| 3standard | 791 | Hall, Mark T (1501) | Lost 1-2 | -171465 |
| 4standard | 982 | Rowe, Trevor (1480) | Won 2-1 | +181483 |
| 5standard | 854 | Howe, Joshua (1459) | Lost 0-2 | -181465 |
| top | average opponent: 1490record: 1-3 | new rating: 1465 | ||