Johnson, Derek B
Current rating: 1592
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 82 | Salahub, Nelson (1507) | Lost 1-2 | -201585 |
| 3sealed | 282 | SZOPA, PAWEL (1499) | Won 2-1 | +161601 |
| 4sealed | 206 | Liu, Josef (1485) | Won 2-0 | +161617 |
| 5sealed | 61 | Smith, Ryan E (1536) | Lost 0-2 | -191598 |
| 6sealed | 194 | Huska, Andrew (1465) | Lost 1-2 | -211577 |
| 7sealed | 221 | Whitehead, Matt (1573) | Lost 0-2 | -181559 |
| 8sealed | 177 | Pak, Johnny (1485) | Won 2-1 | +171576 |
| 9sealed | 145 | Nemecek, dyson (1450) | Won 2-0 | +161592 |
| top | average opponent: 1500record: 4-4 | new rating: 1592 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 294 | Beg, Hollie (1506) | Won 2-0 | +181542 |
| 2sealed | 61 | Vukonich, Alex (1517) | Won 2-0 | +181560 |
| 3sealed | 192 | Steinfeld, Alexander (1572) | Won 2-0 | +181578 |
| 4sealed | 24 | Preciado, Anthony (1537) | Won 2-1 | +171595 |
| 5sealed | 55 | Kolczynski, Walter (1517) | Won 2-0 | +171612 |
| 6sealed | 31 | Li, Chen (1740) | Lost 0-2 | -161596 |
| 7sealed | 21 | Eleyet, Bryan (1940) | Draw 1-1 | +61602 |
| 8sealed | 59 | Silence, Walter (1553) | Won 2-0 | +171619 |
| 9sealed | 37 | Nass, Matthew (1811) | Lost 0-2 | -141605 |
| top | average opponent: 1632record: 6-2-1 | new rating: 1605 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 44 | Jack, John (1500) | Won 2-0 | +181518 |
| 2extended | 57 | Skondin, Matthew A (1518) | Lost 1-2 | -181500 |
| 3extended | 98 | Goberti, Enrico Maria (1500) | Won 2-0 | +181518 |
| 4extended | 93 | Collins, Sean (1519) | Lost 1-2 | -181500 |
| 5extended | 145 | Beg, Zaiem (1463) | Won 2-0 | +171517 |
| 6extended | 65 | Hurley, Joseph (1501) | Won 2-1 | +181535 |
| 7extended | 74 | Saito, Tomoharu (1965) | Lost 1-2 | -111524 |
| top | average opponent: 1567record: 4-3 | new rating: 1524 | ||