de Lazaro, Sergio
Current rating: 1522
Record: 18-18-2
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 360 | Gerson, Steve (1501) | Won 2-0 | +181500 |
| 2sealed | 294 | Carre, Richard (1553) | Draw 1-1 | +11501 |
| 3sealed | 327 | Polifka, Klaus (1490) | Won 2-0 | +181519 |
| 4sealed | 163 | De Meyer, Gabriel (1562) | Draw 1-1 | +11520 |
| 5sealed | 306 | Sardjan, Danny (1683) | Lost 0-2 | -151505 |
| 6sealed | 421 | Milutinovic, Vasilije (1522) | Won 1-0 | +181523 |
| 7sealed | 302 | Weber, Robert (1508) | Lost 1-2 | -181505 |
| 8sealed | 297 | Goossens, Rob (1472) | Won 2-1 | +171522 |
| top | average opponent: 1536record: 4-2-2 | new rating: 1522 | ||
| Grand Prix Turin 2018 (M19 limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Gesiot, Giovanni (1599) | Lost 0-2 | -161485 |
| 2sealed | 267 | De Forte, Fabio (1452) | Lost 1-2 | -191466 |
| 3sealed | 473 | Griffini, Stefano (1486) | Won 2-0 | +191485 |
| 4sealed | 450 | Saettone, Matteo (1325) | Won 2-1 | +151500 |
| 5sealed | 337 | Reymondin, Achille (1511) | Lost 0-2 | -181482 |
| top | average opponent: 1475record: 2-3 | new rating: 1482 | ||
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 383 | Mendes, Olivier (1552) | Lost 0-2 | -171481 |
| 2sealed | 487 | Vella, Alessio (1406) | Lost 0-2 | -191462 |
| 3sealed | 734 | Gurtler, Christopher (1486) | Lost 1-2 | -181444 |
| 4sealed | 804 | Kreis, Liam (1425) | Won 2-0 | +181462 |
| 5sealed | 720 | Thur, Marnic (1416) | Won 2-1 | +171479 |
| 6sealed | 560 | Wilhelm, Florian (1519) | Won 2-0 | +191498 |
| 7sealed | 585 | Maurici, Micheal (1689) | Won 2-0 | +211519 |
| 8sealed | 411 | Zolesio, Luca (1527) | Lost 0-2 | -181501 |
| top | average opponent: 1502record: 4-4 | new rating: 1501 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 834 | Latif Yasin, Thaer (1389) | Lost 0-2 | -201450 |
| 2sealed | 692 | Blackler, Simon (1433) | Won 2-0 | +181468 |
| 3sealed | 751 | Pavlicek, Jan (1517) | Won 2-1 | +191487 |
| 4sealed | 562 | Boldrini, Giulio (1676) | Won 2-1 | +211508 |
| 5sealed | 364 | Muller, John (1597) | Won 2-0 | +201528 |
| 6sealed | 128 | Denys, Adriaan (1559) | Won 2-0 | +181546 |
| 7sealed | 163 | Olath, Chad (1577) | Lost 1-2 | -171529 |
| 8sealed | 192 | Loeb, Davy (1770) | Lost 0-2 | -141515 |
| 9sealed | 444 | Grunewald, Olivier (1550) | Lost 0-2 | -171498 |
| top | average opponent: 1563record: 5-4 | new rating: 1498 | ||
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Mampaey, Herwig (1493) | Lost 0-2 | -181464 |
| 2sealed | 555 | Mercadal Rived, Jorge (1479) | Won 2-0 | +181482 |
| 3sealed | 559 | Ayllon, Rafael (1511) | Lost 0-2 | -171465 |
| 4sealed | 569 | Berlinches Lopez, Eric (1479) | Won 2-1 | +181483 |
| 5sealed | 344 | Rodriguez Badenas, Adrian (1707) | Lost 0-2 | -141469 |
| 6sealed | 451 | Elorz, Asier (1482) | Lost 0-2 | -181451 |
| 7sealed | 396 | Blau, Sascha (1464) | Won 2-0 | +191470 |
| top | average opponent: 1516record: 3-4 | new rating: 1470 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 370 | Breddy, Ed (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||