Lachance, Sebastien
Current rating: 1396
Record: 48-68-1
- 2015
- 2016
- 2017
- 2018
- 2019
- 2022
- 2023
| Regional Championships Toronto 2023 Cycle 4 (pioneer) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 114 | Tremblay, Marc-Andre (1500) | Draw 1-1 | +11435 |
| 2pioneer | 83 | Jansen, Paul (1518) | Lost 0-2 | -161419 |
| 3pioneer | 123 | Burrows-Johnson, Andrew (1707) | Lost 1-2 | -131406 |
| 4pioneer | 140 | Anctil, Kevin (1908) | Lost 0-2 | -101396 |
| top | average opponent: 1658record: 0-3-1 | new rating: 1396 | ||
| Regional Championships Calgary 2023 (pioneer) | starting rating: 1330 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 46 | Velasquez Moreno, Daniel (1422) | Won 2-1 | +191349 |
| 2pioneer | 25 | Bradshaw, Phoenix (1811) | Lost 0-2 | -101339 |
| 3pioneer | 42 | Hurley, Joseph (1590) | Won 2-1 | +231362 |
| 4pioneer | 82 | Hewitt, Chris (1546) | Lost 0-2 | -151347 |
| 5pioneer | 52 | Sweetnam, Cameron (1718) | Won 2-0 | +241371 |
| 6pioneer | 36 | Alder, Avery (1449) | Won 2-0 | +201391 |
| 7pioneer | 14 | MacInnis, Devon (1550) | Won 2-0 | +211412 |
| 8pioneer | 17 | ren, george (1577) | Lost 1-2 | -151397 |
| 9pioneer | 16 | Toussaint, Francis (1709) | Won 2-0 | +231420 |
| 10pioneer | 12 | Chen, James [CAN] (1575) | Lost 1-2 | -151405 |
| 11pioneer | 26 | Laing, James (1550) | Won 2-1 | +211426 |
| 12pioneer | 11 | Gordillo, Massimo (1762) | Lost 0-2 | -121414 |
| 13pioneer | 19 | Despatie, Christian (1559) | Won 2-1 | +201434 |
| top | average opponent: 1601record: 8-5 | new rating: 1434 | ||
| Regional Championships Toronto 2023 (pioneer) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 71 | Kim, Jin (1651) | Lost 1-2 | -131360 |
| 2pioneer | 108 | Richer, Jacob (1589) | Lost 1-2 | -141346 |
| 3pioneer | 123 | Hawton, Mathew (1409) | Lost 0-2 | -161330 |
| top | average opponent: 1550record: 0-3 | new rating: 1330 | ||
| Regional Championships Ottawa 2023 (ONE standard) | starting rating: 1380 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Pite, Derek (1947) | Lost 1-2 | -91371 |
| 2standard | 96 | Moyer, Alex (1450) | Lost 1-2 | -171354 |
| 3standard | 123 | Hicks, Jason [CAN] (1484) | Won 2-0 | +211375 |
| 4standard | 73 | Laskar, David (1565) | Lost 0-2 | -151360 |
| 5standard | 117 | Raine, Jonathan (1534) | Won 2-1 | +211381 |
| 6standard | 79 | Abenhaim, Julien (1431) | Won 2-0 | +191400 |
| 7standard | 65 | Barnett, Stephen (1751) | Lost 1-2 | -121388 |
| 8standard | 66 | Livernoche, Alexandre (1561) | Lost 1-2 | -151373 |
| top | average opponent: 1590record: 3-5 | new rating: 1373 | ||
| Regional Championships Calgary 2022 (pioneer) | starting rating: 1329 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 50 | Ziegler, Carson (1435) | Lost 1-2 | -161313 |
| 2pioneer | 69 | Skorik, Andrew (1692) | Lost 0-2 | -111302 |
| 3pioneer | 120 | Li, Raymond (1404) | Won 2-1 | +201322 |
| 4pioneer | 80 | Hemsworth, Dylan (1471) | Won 2-0 | +201342 |
| 5pioneer | 68 | Potter, Jack (1467) | Won 2-1 | +211363 |
| 6pioneer | 31 | Yasinsky, Braeden (1526) | Lost 1-2 | -151348 |
| 7pioneer | 81 | Tremblay, Cedrick (1583) | Won 2-1 | +221370 |
| 8pioneer | 59 | White, Jon [CAN] (1462) | Won 2-1 | +191389 |
| 9pioneer | 37 | Flaman-Haley, Robert (1511) | Lost 1-2 | -151374 |
| 10pioneer | 40 | Sajgalik, Eduardo (1949) | Won 2-0 | +271401 |
| 11pioneer | 25 | Hurley, Joseph (1547) | Lost 0-2 | -151386 |
| 12pioneer | 40 | Cabral, Tyrone (1542) | Lost 1-2 | -151371 |
| 13pioneer | 40 | Lloyd, James (1710) | Won 2-0 | +241395 |
| 14pioneer | 37 | Heggerud, Anna (1559) | Lost 0-2 | -151380 |
| top | average opponent: 1561record: 7-7 | new rating: 1380 | ||
| Regional Championships Toronto 2022 (pioneer) | starting rating: 1389 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 98 | Babin, Jayson (1686) | Lost 0-2 | -131376 |
| 2pioneer | 110 | Costa, Evan (1426) | Lost 0-2 | -171359 |
| 3pioneer | 162 | Carisse, Simon (1597) | Lost 0-2 | -141345 |
| 4pioneer | 162 | Nevin, Joshua (1473) | Lost 0-2 | -161329 |
| top | average opponent: 1546record: 0-4 | new rating: 1329 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 278 | Fino, Vinnie (1472) | Lost 0-2 | -171418 |
| 4modern | 540 | Semeyn, Jonathan (1594) | Lost 1-2 | -151403 |
| 5modern | 645 | Valk, Reggie (1597) | Lost 1-2 | -141389 |
| top | average opponent: 1554record: 0-3 | new rating: 1389 | ||
| Grand Prix Toronto 2019 (modern) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 249 | Geller, Zachary (1518) | Won 2-0 | +201461 |
| 3modern | 232 | Oake, Brandon (1487) | Lost 1-2 | -181443 |
| 4modern | 343 | Geady, Sam (1731) | Lost 1-2 | -131430 |
| 5modern | 359 | De Carolis, Paul (1673) | Won 2-1 | +231453 |
| 6modern | 272 | St-Yves, Jonathan (1503) | Won 2-0 | +191472 |
| 7modern | 206 | Kemble, Andrew (1416) | Lost 1-2 | -191453 |
| 8modern | 202 | Brais, David (1487) | Lost 1-2 | -181435 |
| top | average opponent: 1545record: 3-4 | new rating: 1435 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 180 | Hudak, Casey (1772) | Lost 0-2 | -131475 |
| 3sealed | 308 | Beaudoin, Patrice (1497) | Lost 0-2 | -181457 |
| 4sealed | 373 | Hawron, Richard (1565) | Lost 1-2 | -161441 |
| top | average opponent: 1611record: 0-3 | new rating: 1441 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 268 | McKenzie, Dustin (1520) | Won 2-0 | +181521 |
| 3sealed | 26 | Johnson, Jeffery (1460) | Lost 0-2 | -191502 |
| 4sealed | 486 | Miller, Drew (1553) | Won 2-1 | +191521 |
| 5sealed | 337 | Zhang, Bolun (1920) | Lost 0-2 | -111510 |
| 6sealed | 391 | Williams, Caleb (1514) | Lost 0-2 | -181492 |
| 7sealed | 405 | Janowiak Mulligan, Blythe (1338) | Won 2-0 | +151507 |
| 8sealed | 276 | Holcomb, John (1431) | Lost 0-2 | -191488 |
| top | average opponent: 1534record: 3-4 | new rating: 1488 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 272 | Arpad, Lauron (1518) | Won 2-0 | +191490 |
| 3modern | 78 | Vazquez, Ramon (1854) | Lost 1-2 | -121478 |
| 4modern | 537 | Lee, Joon Soo (1783) | Won 2-1 | +241502 |
| 5modern | 383 | Leisenring, Zachary (1513) | Lost 0-2 | -181484 |
| 6modern | 1333 | Son, Daniel (1526) | Won 2-1 | +191503 |
| 7modern | 427 | Wadsworth, Jared (1434) | Won 2-0 | +171520 |
| 8modern | 142 | Son, Steven (1597) | Lost 1-2 | -171503 |
| top | average opponent: 1604record: 4-3 | new rating: 1503 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 78 | Chalkley, Robert (1604) | Lost 1-2 | -161489 |
| 4sealed | 327 | Amos, Chris (1518) | Lost 0-2 | -181471 |
| top | average opponent: 1561record: 0-2 | new rating: 1471 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 54 | McConnell II, Esker (1213) | Won 2-0 | +131466 |
| 3modern | 219 | Sauceda, Daniel (1536) | Won 2-0 | +201486 |
| 4modern | 148 | Caton, Jonathan (1547) | Lost 1-2 | -171469 |
| 5modern | 499 | Zaczek, Jonathon (1926) | Won 2-1 | +261495 |
| 6modern | 328 | Tsujikawa, Taiga (1744) | Won 2-1 | +221517 |
| 7modern | 191 | Fogelstrom, Matthew (1588) | Lost 1-2 | -171500 |
| 8modern | 255 | Lyons, Samuel (1556) | Won 2-1 | +191519 |
| 9modern | 127 | Ho, Anthony (1715) | Lost 1-2 | -141505 |
| top | average opponent: 1603record: 5-3 | new rating: 1505 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 309 | Hellmuth, Nick (1481) | Lost 1-2 | -181464 |
| 3sealed | 787 | Jones, Nathaniel (1503) | Won 2-1 | +191483 |
| 4sealed | 510 | Cipriano, Casey (1720) | Lost 1-2 | -141469 |
| 5sealed | 666 | Ortiz, Ottoniel (1442) | Lost 1-2 | -181451 |
| 6sealed | 798 | Somisetty, Pavana (1500) | Won 2-1 | +191470 |
| 7sealed | 605 | Williams, Ronald (1523) | Lost 1-2 | -171453 |
| top | average opponent: 1528record: 2-4 | new rating: 1453 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 301 | Leete, Aaron (1509) | Lost 0-2 | -181464 |
| 3legacy | 790 | Calandro, Tiffany (1384) | Won 2-0 | +171481 |
| 4legacy | 800 | Stone, Tim (1483) | Lost 1-2 | -181463 |
| 5legacy | 671 | Anker-Nilssen, Rasmus (1505) | Lost 0-2 | -181445 |
| 6legacy | 795 | Skrypov, Igor (1482) | Won 2-1 | +191464 |
| 7legacy | 702 | Stevenson, Craig (1486) | Won 2-1 | +181482 |
| top | average opponent: 1475record: 3-3 | new rating: 1482 | ||
| Grand Prix Montreal 2016 (EMN limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 2255 | Azuara Duran, Juan (1518) | Won 2-0 | +191466 |
| 3sealed | 2189 | Lepre, James (1318) | Won 0-0 | +161482 |
| 4sealed | 2112 | Tondreau, Jasmin (1601) | Lost 0-2 | -161466 |
| 5sealed | 2097 | Shaw, Adam (1573) | Lost 0-2 | -161450 |
| 6sealed | 2338 | Lafenetre, Gael (1540) | Won 2-1 | +201470 |
| 7sealed | 2140 | Lariviere, Marc (1455) | Won 2-1 | +171487 |
| 8sealed | 2144 | [anonymous] | Won 0-0 | +211508 |
| 9sealed | 2056 | Williams, David A (1786) | Lost 1-2 | -131495 |
| 10draft | 2038 | Fyfe, Max (1584) | Lost 1-2 | -161479 |
| 11draft | 2038 | Cabral, Matthew (1574) | Won 2-0 | +191498 |
| 12draft | 2037 | Sudol, Ian (1563) | Lost 1-2 | -161482 |
| top | average opponent: 1560record: 6-5 | new rating: 1482 | ||
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 209 | Wagenhoffer, Thomas (1500) | Won 2-0 | +191503 |
| 2standard | 95 | Edmunds, Chris (1528) | Won 2-1 | +181521 |
| 3standard | 134 | Turcotte, Owen (1420) | Lost 0-2 | -201501 |
| 4standard | 239 | Stevens, Chris (1497) | Lost 1-2 | -181483 |
| 5standard | 212 | Langmaid, Jim (1464) | Lost 0-2 | -181465 |
| 6standard | 270 | St-Amour, Felix (1479) | Lost 0-2 | -181447 |
| top | average opponent: 1482record: 2-4 | new rating: 1447 | ||
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Frankel, Josh (1696) | Lost 1-2 | -141486 |
| 2sealed | 343 | Cote, Nicolas (1461) | Lost 0-2 | -191467 |
| 3sealed | 558 | Fong, Jean-Philippe (1534) | Won 2-1 | +191486 |
| 4sealed | 400 | Crawford, Shamus (1399) | Won 2-0 | +171503 |
| 5sealed | 366 | Hockney, Justin (1486) | Lost 1-2 | -191484 |
| top | average opponent: 1515record: 2-3 | new rating: 1484 | ||