Lachance, Marc-Antoine
Current rating: 1553
Record: 26-24
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 367 | Sylvester, Robert (1488) | Won 2-0 | +171554 |
| 2sealed | 250 | Oake, Brandon (1500) | Lost 1-2 | -191535 |
| 3sealed | 315 | Tepylo, Alek (1471) | Lost 0-2 | -191516 |
| 4sealed | 443 | Maccutchan, Sam (1482) | Won 2-0 | +171533 |
| 5sealed | 351 | Cook, Anthony (1631) | Won 2-1 | +201553 |
| 6sealed | 324 | Beckett, Matthew (1528) | Lost 0-2 | -191534 |
| 7sealed | 342 | Amos, Chris (1502) | Won 2-1 | +181552 |
| 8sealed | 319 | McNaughten, Richard (1532) | Won 2-1 | +181570 |
| 9sealed | 172 | Ha, Chris (1632) | Lost 1-2 | -171553 |
| top | average opponent: 1530record: 5-4 | new rating: 1553 | ||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 285 | Mazzuca, Michael (1500) | Won 2-1 | +181534 |
| 2standard | 77 | Gardner, Jonathan (1556) | Lost 1-2 | -181516 |
| 3standard | 404 | Cleyndert, Cary (1502) | Lost 1-2 | -181498 |
| 4standard | 518 | Fotherby, Zachary (1478) | Won 2-1 | +181516 |
| 5standard | 482 | Chomik, Matthew (1503) | Won 2-1 | +181534 |
| 6standard | 236 | Villeneuve, Sebastien (1591) | Won 2-1 | +191553 |
| 7standard | 205 | Pipe, Nathan (1542) | Won 2-1 | +171570 |
| 8standard | 201 | Davis, Andrew (1620) | Lost 1-2 | -171553 |
| 9standard | 170 | Mackey, Jay (1492) | Won 2-0 | +171570 |
| 10standard | 202 | Lee, Mon (1834) | Won 2-0 | +231593 |
| 11standard | 89 | Greer, Jeff (1541) | Lost 0-2 | -191574 |
| 12standard | 156 | Goodine, Tim (1539) | Lost 1-2 | -191555 |
| 13standard | 157 | Jedermann, Kieran (1542) | Lost 1-2 | -181537 |
| 14standard | 152 | Bush, Jeremy (1488) | Lost 0-2 | -191518 |
| 15standard | 143 | LaCroix, Matt (1550) | Won 2-0 | +191537 |
| top | average opponent: 1552record: 8-7 | new rating: 1537 | ||
| Grand Prix Montreal 2015 (DTK limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 369 | Wilson, Peter (1533) | Won 2-1 | +191488 |
| 2sealed | 104 | Tryggestad, David (1514) | Won 2-1 | +191507 |
| 3sealed | 148 | Sherry, Michael A (1500) | Won 2-0 | +181525 |
| 4sealed | 115 | Sigrist, Mike (2093) | Lost 1-2 | -91516 |
| 5sealed | 189 | Colgan, Eric (1538) | Won 2-0 | +191535 |
| 6sealed | 111 | Monahan, Justin (1541) | Lost 0-2 | -181517 |
| 7sealed | 202 | Mowry, Matthew (1520) | Won 2-1 | +181535 |
| 8sealed | 95 | Mariani, Johnny (1514) | Lost 0-2 | -191516 |
| top | average opponent: 1594record: 5-3 | new rating: 1516 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Yarrow, Ivy (1743) | Won 2-0 | +241465 |
| 2sealed | 320 | LeBlanc, Bobby (1515) | Won 2-0 | +191484 |
| 3sealed | 79 | Ouellet, Etienne (1534) | Lost 1-2 | -181466 |
| 4sealed | 211 | Johnson, Derek (1303) | Lost 0-2 | -211445 |
| 5sealed | 350 | Lyrette, Styve (1565) | Lost 1-2 | -151430 |
| 6sealed | 453 | Blaquiere, Julien (1467) | Won 2-0 | +181448 |
| 7sealed | 312 | Girolamo, Joseph (1454) | Won 2-1 | +181466 |
| 8sealed | 58 | Derksen, Geoff (1541) | Won 2-0 | +201486 |
| 9sealed | 192 | Sutliff, Casey (1568) | Lost 1-2 | -171469 |
| top | average opponent: 1521record: 5-4 | new rating: 1469 | ||
| Grand Prix Quebec City 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Houle, Sebastien (1236) | Lost 1-2 | -231477 |
| 2standard | 239 | Chenard, Francois (1481) | Won 2-1 | +181495 |
| 3standard | 177 | Lemish, Joshua (1483) | Won 2-0 | +181513 |
| 4standard | 188 | Davidian, Adrian (1601) | Lost 0-2 | -161497 |
| 5standard | 239 | Williams, Matt S (1479) | Lost 0-2 | -191478 |
| 6standard | 252 | Gagnon, Marc-Andre (1481) | Lost 0-2 | -181460 |
| 7standard | 279 | Boissinot, Karel (1464) | Won 2-0 | +191479 |
| 8standard | 224 | Mercier, Frederic 5300 (1488) | Lost 1-2 | -181461 |
| 9standard | 209 | Sears, Chris (1382) | Lost 0-2 | -201441 |
| top | average opponent: 1455record: 3-6 | new rating: 1441 | ||