Errico, Lancelot
Current rating: 1531
Record: 15-15-1
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 163 | Bainbridge Nott, Philipp (1500) | Won 2-0 | +191475 |
| 2pioneer | 33 | Pasmans, Michiel (1498) | Lost 0-2 | -181457 |
| 3pioneer | 647 | Guillaume, David (1500) | Won 2-1 | +191476 |
| 4pioneer | 229 | Kosmidis, Matthaios (1545) | Won 2-0 | +191495 |
| 5pioneer | 372 | Zuckerman, Eyal (1401) | Won 2-0 | +161511 |
| 6pioneer | 166 | Plagge, Julian (1667) | Won 2-0 | +211532 |
| 7pioneer | 124 | Martinello da Costa, Paulo Henrique (1801) | Lost 0-2 | -131519 |
| 8pioneer | 131 | Morsel, Ingo (1652) | Won 2-1 | +201539 |
| 9pioneer | 74 | Groot, Wessel (1647) | Lost 0-2 | -161523 |
| 10pioneer | 161 | Navarro Marin, Hector (1751) | Won 2-0 | +221545 |
| 11pioneer | 108 | Kowalczuk, Wojciech (1738) | Lost 0-2 | -141531 |
| top | average opponent: 1609record: 7-4 | new rating: 1531 | ||
| Grand Prix Lyon 2019 (ELD standard) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Petit, Julien (1628) | Won 2-0 | +201530 |
| 2standard | 25 | Seronie-Vivien, Paul (1518) | Lost 0-1 | -181512 |
| 3standard | 365 | Deco, Alessandro (1510) | Lost 0-2 | -181494 |
| 4standard | 323 | Renaille, Gaetan (1643) | Lost 0-2 | -161478 |
| 5standard | 374 | Berio, Massimo (1223) | Lost 0-2 | -221456 |
| top | average opponent: 1504record: 1-4 | new rating: 1456 | ||
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 503 | Gschossmann, Christoph (1603) | Won 2-0 | +201502 |
| 2sealed | 460 | Lysenko, Mykhailo (1518) | Draw 1-1 | 01502 |
| 3sealed | 352 | Star, Leon (1976) | Lost 0-2 | -101492 |
| 4sealed | 474 | Goossens, Rob (1463) | Lost 0-2 | -181474 |
| 5sealed | 541 | Gouw, Esther (1463) | Lost 0-2 | -191455 |
| 6sealed | 494 | Bahlai, Andrii (1442) | Won 2-0 | +181473 |
| 7sealed | 393 | Romanic, Davor (1486) | Won 2-1 | +181491 |
| 8sealed | 298 | Gensler, Philip (1509) | Won 2-1 | +191510 |
| top | average opponent: 1558record: 4-3-1 | new rating: 1510 | ||
| Grand Prix Lille 2018 (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Wagner, Ann-Katrin (1442) | Lost 0-2 | -191481 |
| 2standard | 297 | Ruegg, Lukas (1373) | Won 2-0 | +161497 |
| 3standard | 406 | Tal, Yaniv (1481) | Won 2-0 | +181515 |
| 4standard | 320 | Melone, Rudy (1421) | Won 2-0 | +161531 |
| 5standard | 253 | van der Meer, Thijs (1691) | Lost 1-2 | -151516 |
| 6standard | 399 | Hanzalek, Jan (1701) | Lost 1-2 | -151501 |
| 7standard | 434 | Garneau, Alexandre (1411) | Lost 0-2 | -191482 |
| top | average opponent: 1503record: 3-4 | new rating: 1482 | ||