Cox, Benjamin
Current rating: 1536
Record: 22-22-1
| MagicCon Las Vegas 2023 Limited Open (WOE limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3498 | Nollen, Dylan (1855) | Lost 1-2 | -121508 |
| 2sealed | 3528 | But, Edward (1444) | Won 2-0 | +171525 |
| 3sealed | 3216 | Wood, Rick (1688) | Won 2-1 | +211546 |
| 4sealed | 3112 | Hristis, Michael (1748) | Won 2-1 | +211567 |
| 5sealed | 3118 | Smith, Russell (1607) | Lost 0-2 | -171550 |
| 6sealed | 3170 | Hardwick, Richard (1769) | Lost 0-2 | -141536 |
| top | average opponent: 1685record: 3-3 | new rating: 1536 | ||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Zelaya, Martin (1445) | Lost 0-2 | -201535 |
| 2sealed | 384 | Schlumpf, Michael (1416) | Won 2-1 | +161551 |
| 3sealed | 502 | Van Antwerp, Darren (1503) | Won 2-1 | +171568 |
| 4sealed | 190 | Provenzano, Matthew (1479) | Lost 0-2 | -201548 |
| 5sealed | 352 | Hu, Jason (1521) | Won 2-0 | +181566 |
| 6sealed | 337 | Wilson, John David (1525) | Lost 0-2 | -191547 |
| 7sealed | 312 | Tan, James (1731) | Lost 0-2 | -151532 |
| 8sealed | 263 | Park, Jun Young (1853) | Lost 1-2 | -121520 |
| top | average opponent: 1559record: 3-5 | new rating: 1520 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 428 | Murphy, Wesley (1518) | Lost 1-2 | -191571 |
| 4sealed | 517 | Hicks, Zac R (1479) | Lost 1-2 | -201551 |
| 5sealed | 639 | Zornes, James (1707) | Won 2-0 | +211572 |
| 6sealed | 553 | Meyst, Rich (1633) | Lost 1-2 | -171555 |
| top | average opponent: 1584record: 1-3 | new rating: 1555 | ||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 132 | Cuenca, Nicolas (1480) | Lost 1-2 | -201555 |
| 3sealed | 179 | Koenig, Joseph (1518) | Won 2-0 | +171572 |
| 4sealed | 118 | Coqueiro, Rafael S (1542) | Won 2-1 | +181590 |
| 5sealed | 124 | De Los Santos, Julian (1481) | Won 2-1 | +161606 |
| 6sealed | 26 | Davis, Robb (1691) | Lost 0-2 | -171589 |
| 7sealed | 85 | Sittner, Alex (1694) | Won 2-1 | +201609 |
| 8sealed | 93 | Yeung, Wilbert (1540) | Lost 0-2 | -191590 |
| top | average opponent: 1564record: 4-3 | new rating: 1590 | ||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 108 | Lapierre, Matt (1500) | Won 2-0 | +171538 |
| 4block | 9 | MacRae, Simon (1555) | Won 2-0 | +181556 |
| 5block | 17 | Britschock, Scott (1548) | Draw 1-1 | 01556 |
| 6block | 25 | Grudzina, John (1572) | Won 2-1 | +191575 |
| 7block | 14 | Lacroix, Mike (1591) | Won 2-1 | +181593 |
| 8block | 7 | Schwartz, Gabriel (1628) | Lost 0-0 | -171576 |
| 9block | 25 | Napoli, Phillip (1697) | Won 0-0 | +201596 |
| 10block | 10 | DeTora, Melissa (1725) | Lost 1-2 | -161580 |
| 11block | 22 | Nakajima, Chikara (1597) | Won 0-0 | +181598 |
| 12block | 14 | Sibast, Rasmus (1806) | Lost 1-2 | -141584 |
| 13block | 21 | Sandler, Josh (1688) | Won 2-0 | +201604 |
| 14block | 16 | Scott-Vargas, Luis (1912) | Lost 0-2 | -131591 |
| 15block | 20 | Fialho Martins, Sergio (1650) | Lost 1-2 | -161575 |
| top | average opponent: 1652record: 7-5-1 | new rating: 1575 | ||
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Pierce, Bryen (1500) | Won 2-1 | +181518 |
| 2sealed | 4 | Stavola, Kate (1767) | Lost 1-2 | -141504 |
| 3sealed | 126 | Gilson, Marcus (1467) | Lost 1-2 | -181486 |
| 4sealed | 192 | Bowman, Brandon (1480) | Won 2-1 | +181504 |
| 5sealed | 142 | Taylor, Justin (1482) | Won 2-0 | +171521 |
| 6sealed | 95 | Smith, Brian (1530) | Lost 1-2 | -181503 |
| 7sealed | 102 | Blain, Michael (1455) | Won 2-0 | +181521 |
| top | average opponent: 1526record: 4-3 | new rating: 1521 | ||