Bosecker, James
Current rating: 1498
Record: 32-40-3
Grand Prix Los Angeles 2016Grand Prix Las Vegas 2018 (modern)Grand Prix Las Vegas 2018 (limited)Grand Prix Portland 2018Grand Prix Oakland 2019Grand Prix Los Angeles 2019Grand Prix Seattle 2019Grand Prix Las Vegas 2019 (modern)Grand Prix Las Vegas 2019 (limited)Grand Prix Reno 2020MagicCon Las Vegas 2023 Limited Open
| MagicCon Las Vegas 2023 Limited Open (WOE limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3575 | Zeoli, Benny (1752) | Lost 0-2 | -131436 |
| 2sealed | 3502 | Merrill, Shane (1581) | Lost 0-2 | -151421 |
| 3sealed | 3569 | Goodrich-Boggs, Pamela (1464) | Won 2-0 | +191440 |
| 4sealed | 3588 | Sachs, Mitchell (1579) | Won 2-0 | +201460 |
| 5sealed | 3245 | Singh, Noor (1733) | Won 2-0 | +231483 |
| 6sealed | 3218 | Turkington, Randolph (1522) | Won 2-0 | +191502 |
| 7sealed | 3162 | Atkinson, Brendan (1537) | Won 2-1 | +181520 |
| 8sealed | 3128 | Birrell, Ian (1889) | Won 2-1 | +251545 |
| 9draft | 3563 | Krueger, Will (1556) | Lost 1-2 | -181527 |
| 10draft | 3562 | Voloshin, Charles (1568) | Lost 0-2 | -171510 |
| 11draft | 3555 | Polhuijs, Henk Jarno (1575) | Won 2-1 | +191529 |
| 12draft | 3511 | Polhuijs, Henk Jarno (1556) | Lost 0-2 | -181511 |
| 13draft | 3511 | Ward, Ryan (1741) | Lost 0-2 | -131498 |
| top | average opponent: 1619record: 7-6 | new rating: 1498 | ||
| Grand Prix Reno 2020 (THB limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 69 | Bonham, Nicholas (1580) | Won 2-0 | +201466 |
| 3sealed | 35 | Nichols, Peden (1970) | Lost 1-2 | -91457 |
| 4sealed | 186 | Maxey, Scott (1613) | Won 2-0 | +211478 |
| 5sealed | 56 | Simon, Michael (1613) | Lost 1-2 | -161462 |
| 6sealed | 156 | Hudson, Andrew (1738) | Lost 0-2 | -131449 |
| top | average opponent: 1703record: 2-3 | new rating: 1449 | ||
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 213 | Thuemler, Joseph (1827) | Lost 1-2 | -121439 |
| 3sealed | 398 | Levy, Justin (1547) | Lost 0-2 | -161423 |
| 4sealed | 1213 | Stott, Jacob (1527) | Won 2-1 | +201443 |
| 5sealed | 453 | Hatch, Alex (1532) | Lost 1-2 | -161427 |
| 6sealed | 358 | Riggs, Paul (1486) | Won 2-1 | +191446 |
| 7sealed | 299 | Jottar, Francisco (1505) | Lost 0-2 | -171429 |
| 8sealed | 1195 | Melone, Catherine (1363) | Won 2-0 | +171446 |
| top | average opponent: 1541record: 3-4 | new rating: 1446 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 378 | Riano, Shaye (1521) | Lost 1-2 | -171480 |
| 3modern | 650 | Ansell, Justin (1432) | Lost 1-2 | -191461 |
| 4modern | 679 | Collotti, Vincent (1469) | Won 2-0 | +181479 |
| 5modern | 1215 | Turner, Seth (1473) | Lost 0-2 | -181461 |
| 6modern | 584 | Avery, Leigh (1480) | Won 2-1 | +181479 |
| 7modern | 413 | Milechman, Max (1805) | Lost 0-2 | -121467 |
| 8modern | 357 | Sundholm, Peter (1577) | Lost 0-2 | -161451 |
| top | average opponent: 1537record: 2-5 | new rating: 1451 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| A3sealed | 209 | Colley, Urchin (1634) | Lost 0-2 | -161513 |
| A4sealed | 136 | Billingsley, Roger (1525) | Won 2-0 | +181531 |
| A5sealed | 176 | Stern, Jon (1641) | Lost 0-2 | -161515 |
| A6sealed | 222 | Yang, Xiao Yu (Roy) (1783) | Lost 0-2 | -131502 |
| A7sealed | 228 | Malcolm Preston, Nicholas (1520) | Lost 0-2 | -181484 |
| B3sealed | 208 | Anderson, Aidan (1623) | Lost 0-2 | -151469 |
| B4sealed | 239 | Lin, Daniel (1801) | Lost 1-2 | -121457 |
| B5sealed | 334 | Trojan, Jay (2001) | Won 2-0 | +271484 |
| B6sealed | 294 | Howell, Kyle (1345) | Lost 0-2 | -211463 |
| B7sealed | 257 | Kehoe, Kyle (1471) | Won 2-0 | +181481 |
| B8sealed | 172 | Gutierrez, Abel (1368) | Won 2-0 | +161497 |
| top | average opponent: 1610record: 4-7 | new rating: 1497 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 156 | Caixeta, Daniel (1691) | Lost 1-2 | -141469 |
| 2modern | 416 | Robinson, Brayden (1576) | Draw 1-1 | +21471 |
| 3modern | 650 | Tankersley, Jonathon (1451) | Won 2-1 | +171488 |
| 4modern | 521 | Kegley, Benjamin (1758) | Lost 1-2 | -131475 |
| 5modern | 603 | Rossman, Ron (1560) | Won 2-0 | +201495 |
| 6modern | 467 | Flynn, Michael (1499) | Draw 1-1 | 01495 |
| 7modern | 433 | Sanchez, Emilio (1500) | Won 2-0 | +181513 |
| 8modern | 330 | Davila, Oscar (1403) | Won 2-1 | +161529 |
| top | average opponent: 1555record: 4-2-2 | new rating: 1529 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 52 | Pegeron, Christopher (1500) | Won 2-1 | +181515 |
| 2modern | 220 | Johnson, Mark 2438 (1561) | Lost 0-2 | -171498 |
| 3modern | 370 | Shimada, Aron (1668) | Lost 1-2 | -151483 |
| top | average opponent: 1576record: 1-2 | new rating: 1483 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 368 | Nash, Devin (1441) | Won 2-1 | +181472 |
| 2modern | 222 | Mandekor, Minga (1506) | Won 2-0 | +181490 |
| 3modern | 324 | White, Tyler (1632) | Lost 0-2 | -151475 |
| 4modern | 333 | Reyna, Ryan (1398) | Won 2-1 | +161491 |
| 5modern | 227 | Cook, Jacob (1594) | Won 2-0 | +201511 |
| 6modern | 129 | O'Connor, Michael (1637) | Lost 0-2 | -151496 |
| 7modern | 337 | Kimbrough, Koby (1547) | Won 2-1 | +181514 |
| 8modern | 149 | Reynolds, Quinn (1553) | Lost 0-2 | -171497 |
| top | average opponent: 1539record: 5-3 | new rating: 1497 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 56 | Emerick, Nicholas (1511) | Won 2-1 | +191465 |
| 4sealed | 51 | Pangman, Rob (1584) | Draw 1-1 | +21467 |
| 5sealed | 124 | Turcotte, Maurice (1709) | Won 2-0 | +231490 |
| 6sealed | 58 | Young, Derek (1390) | Lost 1-2 | -201470 |
| 7sealed | 166 | Tobin, David (1572) | Lost 1-2 | -161454 |
| top | average opponent: 1553record: 2-2-1 | new rating: 1454 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 63 | Bernett, Evan (1491) | Lost 0-2 | -171430 |
| 4modern | 361 | Padilla, Jonathan (1516) | Won 2-0 | +201450 |
| 5modern | 1334 | Ren, Mingjun (1679) | Won 2-1 | +221472 |
| 6modern | 158 | Seo, Kenta (1690) | Lost 1-2 | -141458 |
| 7modern | 283 | [anonymous] | Lost 1-2 | -121446 |
| top | average opponent: 1638record: 2-3 | new rating: 1446 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 163 | Allen, Kyle (1578) | Lost 1-2 | -171483 |
| 2modern | 756 | Chhauy, Chamrong (1488) | Lost 0-2 | -171466 |
| 3modern | 956 | Farnsworth, Adam (1462) | Lost 0-2 | -191447 |
| top | average opponent: 1509record: 0-3 | new rating: 1447 | ||