Foster, Calvin
Current rating: 1650
Record: 37-32-1
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 284 | Copple, Ryan (1338) | Won 2-1 | +131608 |
| 2legacy | 138 | Lester, Nicholas (1518) | Won 2-0 | +171625 |
| 3legacy | 162 | Cohen, Brendan (1758) | Lost 0-2 | -161609 |
| 4legacy | 221 | Lidsky, Jordan (1658) | Won 2-0 | +191628 |
| 5legacy | 165 | John, Julian (1795) | Won 2-1 | +211649 |
| 6legacy | 106 | Johnson, Erik 445 (1758) | Lost 1-2 | -161633 |
| 7legacy | 187 | Avitollo, Anthony (1585) | Won 2-1 | +171650 |
| 8legacy | 130 | Yan, Zijin (1558) | Won 2-1 | +171667 |
| 9legacy | 65 | Donegan, Dylan (1910) | Lost 1-2 | -141653 |
| 10legacy | 67 | Marumo, Tsubasa (1610) | Won 2-0 | +171670 |
| 11legacy | 48 | Crawley, Jeremy (1578) | Won 2-0 | +161686 |
| 12legacy | 45 | Clifford, Michael (1768) | Lost 1-2 | -161670 |
| 13legacy | 69 | Seldin, Corey (1598) | Lost 1-2 | -191651 |
| 14legacy | 65 | Coloyan, Peter (1758) | Lost 0-2 | -161635 |
| 15legacy | 76 | Fowler, Stephen (1463) | Won 2-0 | +151650 |
| top | average opponent: 1644record: 9-6 | new rating: 1650 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 194 | Slone, Steven (1658) | Won 2-0 | +191622 |
| 2modern | 2125 | Pawlik, Tyrus (1518) | Lost 0-2 | -201602 |
| 3modern | 1166 | Hemelstrand, Andrew (1492) | Won 2-1 | +161618 |
| 4modern | 489 | Eliades, Michael (1386) | Won 2-1 | +141632 |
| 5modern | 359 | Draxler, Rory (1803) | Lost 0-2 | -151617 |
| 6modern | 928 | Wallace, Paul (1401) | Lost 0-2 | -221595 |
| top | average opponent: 1543record: 3-3 | new rating: 1595 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 458 | Doberne, David (1729) | Lost 1-2 | -161577 |
| 2legacy | 696 | Beety, John Dale (1482) | Lost 0-2 | -191558 |
| 3legacy | 1130 | Wallio, Michael (1463) | Won 2-1 | +161574 |
| 4legacy | 993 | Hayes, Brook (1500) | Won 2-0 | +161590 |
| 5legacy | 732 | Carnicer, Javier (1526) | Lost 1-2 | -191571 |
| 6legacy | 899 | Schneider, Colin (1462) | Won 2-1 | +161587 |
| 7legacy | 590 | Pecora, Gerald (1522) | Lost 1-2 | -191568 |
| 8legacy | 698 | Lippmann, Robert (1629) | Won 2-0 | +191587 |
| 9legacy | 568 | Baltz, Jacob (1458) | Won 2-0 | +161603 |
| top | average opponent: 1530record: 5-4 | new rating: 1603 | ||
| Grand Prix Columbus 2016 (legacy) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 2 | Burton, Cody (1678) | Won 2-1 | +211511 |
| 4legacy | 27 | Schlegel, Thomas (1686) | Won 2-0 | +211532 |
| 5legacy | 21 | Penick, John (1826) | Lost 0-2 | -131519 |
| 6legacy | 209 | Murata, Tony (1656) | Won 2-1 | +211540 |
| 7legacy | 74 | Donegan, Dylan (1823) | Lost 0-2 | -131527 |
| 8legacy | 131 | Ball, Benjamin (1607) | Lost 0-2 | -171510 |
| 9legacy | 258 | Champeny, Robert (1530) | Won 2-0 | +191529 |
| 10legacy | 213 | Wong, Gary (1904) | Won 2-0 | +241553 |
| 11legacy | 155 | Bacon, Tyr (1541) | Won 2-0 | +181571 |
| 12legacy | 112 | Shortino, Justin (1663) | Won 2-1 | +201591 |
| 13legacy | 49 | Fournier, Daniel (2022) | Won 2-1 | +251616 |
| 14legacy | 36 | Nikolich, Benjamin (1925) | Lost 1-2 | -121604 |
| 15legacy | 46 | Sajgalik, Eduardo (2024) | Lost 0-2 | -111593 |
| top | average opponent: 1760record: 8-5 | new rating: 1593 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 240 | Blue, Nolan (1566) | Lost 0-2 | -161429 |
| 2modern | 421 | Hill, Nicholas (1482) | Won 2-0 | +191448 |
| 3modern | 343 | Cooper, Brent (1470) | Lost 0-0 | -171431 |
| 4modern | 431 | Kirkley, Kyle (1458) | Won 2-0 | +181449 |
| 5modern | 286 | Currier, Bobby (1498) | Won 2-0 | +191468 |
| 6modern | 1029 | Cooper, Russell 2 (1498) | Won 2-0 | +181486 |
| 7modern | 150 | McCue, Spencer (1555) | Won 2-0 | +201506 |
| 8modern | 93 | Drescher, Will (1610) | Lost 0-2 | -161490 |
| top | average opponent: 1517record: 5-3 | new rating: 1490 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 363 | Rongstad, Lance (1462) | Lost 1-2 | -171398 |
| 2modern | 538 | Churchill, Ken (1503) | Won 2-1 | +191417 |
| 3modern | 720 | Hawkinson, Michael (1502) | Draw 1-1 | +21419 |
| 4modern | 605 | Shaver, Lee (1485) | Won 2-1 | +191438 |
| 5modern | 441 | Miller, Ben (1567) | Won 2-0 | +211459 |
| 6modern | 304 | Kokemoor, Evelyn (1536) | Won 2-0 | +191478 |
| 7modern | 224 | Gardiner, Steven (1572) | Lost 1-2 | -161462 |
| 8modern | 325 | Gaudio, Aaron (1535) | Lost 1-2 | -171445 |
| top | average opponent: 1520record: 4-3-1 | new rating: 1445 | ||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 145 | Hoesing, Kelly (1500) | Lost 1-2 | -181448 |
| 2modern | 276 | Moilanen, Matt (1481) | Lost 1-2 | -171431 |
| 3modern | 363 | Aitchison, Mark (1464) | Lost 0-2 | -171414 |
| 4modern | 436 | Wilson, Michael (1447) | Won 2-0 | +181432 |
| 5modern | 375 | Lottich, Chris (1462) | Lost 1-2 | -171415 |
| top | average opponent: 1471record: 1-4 | new rating: 1415 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 218 | Schneider, Daniel (1565) | Won 2-1 | +191519 |
| 2modern | 80 | King, David (1550) | Won 2-0 | +191538 |
| 3modern | 157 | Conway, Emmyra (1520) | Lost 0-2 | -191519 |
| 4modern | 287 | Tina, Logan (1486) | Lost 1-2 | -181501 |
| 5modern | 285 | Shepherd, Kenneth W (1551) | Lost 0-2 | -171484 |
| 6modern | 395 | Ducommun, Deven (1482) | Lost 1-2 | -181466 |
| top | average opponent: 1526record: 2-4 | new rating: 1466 | ||