Lapierre, Oscar
Current rating: 1541
Record: 19-17-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1559 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 641 | Hori, Tatsuya (1500) | Lost 1-2 | -191540 |
| 2sealed | 704 | Tokita, Takeshi (1482) | Won 2-0 | +171557 |
| 3sealed | 665 | Takeuchi, Akinari (1661) | Won 2-0 | +201577 |
| 4sealed | 590 | Shindo, Yuto (1637) | Lost 1-2 | -171560 |
| 5sealed | 639 | Oginuma, Kiichi (1548) | Lost 1-2 | -191541 |
| top | average opponent: 1566record: 2-3 | new rating: 1541 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Stein, Callan (1500) | Won 2-0 | +181523 |
| 2sealed | 101 | Kabos, Guy (1499) | Won 2-0 | +181541 |
| 3sealed | 154 | Diquelou, Marie (1522) | Lost 1-2 | -191522 |
| 4sealed | 96 | Demyati, Samir (1516) | Won 2-0 | +181540 |
| 5sealed | 67 | Ardler, Stephen (1537) | Won 2-0 | +181558 |
| 6sealed | 89 | Clancy, David (1489) | Won 2-1 | +171575 |
| 7sealed | 18 | Puszet, Jarron (1687) | Lost 0-2 | -161559 |
| top | average opponent: 1536record: 5-2 | new rating: 1559 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Hananias, Hugo (1500) | Lost 0-2 | -181487 |
| 2standard | 237 | Salazar, Juan [CHL] (1482) | Won 2-1 | +181505 |
| 3standard | 221 | Ormeno, Daniel (1435) | Won 2-0 | +171522 |
| 4standard | 128 | Medeiros, Nicholas A (1603) | Lost 1-2 | -171505 |
| 5standard | 169 | Olea, Francisco (1503) | Won 2-1 | +181523 |
| 6standard | 156 | Castro Dias, Hugo (1520) | Lost 0-2 | -181505 |
| top | average opponent: 1507record: 3-3 | new rating: 1505 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 130 | Barria, Jaime (1517) | Lost 1-2 | -191525 |
| 2modern | 242 | Morgado, Rafael Leonardo T. (1482) | Lost 1-2 | -191506 |
| 3modern | 311 | Pardo, Edison (1464) | Won 2-1 | +181524 |
| 4modern | 297 | Verdugo, Felipe (1502) | Lost 0-2 | -191505 |
| top | average opponent: 1491record: 1-3 | new rating: 1505 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Arcos, Ricardo (1500) | Lost 0-2 | -181486 |
| 2sealed | 294 | Soto, Javier (1482) | Won 2-1 | +171503 |
| 3sealed | 143 | Lara, Jaime (1500) | Lost 0-2 | -181485 |
| 4sealed | 268 | Puentes, Gonzalo (1482) | Won 2-0 | +181503 |
| 5sealed | 263 | Franco Junior, Cassiano (1583) | Won 2-0 | +201523 |
| 6sealed | 120 | Guaraldo Torello Viera, Fernando (1531) | Won 2-0 | +181541 |
| 7sealed | 101 | Chomali, Diego (1589) | Won 2-0 | +191560 |
| 8sealed | 70 | de Diego, Pedro (1658) | Lost 0-2 | -161544 |
| top | average opponent: 1541record: 5-3 | new rating: 1544 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 32 | Rojas, Luis (1500) | Won 2-0 | +181518 |
| 3standard | 27 | Luiz F Kraft Gallego, (1500) | Won 2-0 | +181536 |
| 4standard | 15 | Leite Araujo, Joao Paulo (1657) | Lost 1-2 | -161520 |
| 5standard | 130 | Bassetti, Carlos (1552) | Draw 1-1 | 01520 |
| 6standard | 91 | da Silva Araujo, Fernando Luiz (1555) | Won 0-0 | +191539 |
| 7standard | 65 | Garcia, Rafael [BRA] (1554) | Lost 1-2 | -181521 |
| 8standard | 105 | Lucas Gustavo Alves, (1535) | Lost 0-2 | -171504 |
| top | average opponent: 1550record: 3-3-1 | new rating: 1504 | ||