Sergeev, Sergey
Current rating: 1383
Record: 13-24
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1393 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 171 | Becks, Tim (1534) | Won 2-1 | +201413 |
| 4pioneer | 18 | Brouwer, Kevin (1562) | Lost 1-2 | -151398 |
| 5pioneer | 170 | Verdoodt, Philip (1653) | Lost 0-2 | -141384 |
| 6pioneer | 364 | Lampadarios, Christoforos (1916) | Won 2-1 | +271411 |
| 7pioneer | 183 | Aris Girbau, Arnau (1719) | Lost 1-2 | -121399 |
| 8pioneer | 325 | Padovani, Lorenzo (1496) | Lost 1-2 | -161383 |
| top | average opponent: 1647record: 2-4 | new rating: 1383 | ||
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 229 | Lukaszek, Mateusz (1687) | Lost 0-2 | -141444 |
| 4sealed | 178 | Weber, Robert (1473) | Lost 1-2 | -181426 |
| 5sealed | 323 | Zureick-Brown, David (1620) | Lost 0-2 | -141412 |
| 6sealed | 390 | Classen, Pascal (1346) | Lost 1-2 | -191393 |
| top | average opponent: 1531record: 0-4 | new rating: 1393 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 634 | Duda, Michal (1469) | Won 2-1 | +181505 |
| 3sealed | 203 | Christopher, Tom (1494) | Won 2-0 | +181523 |
| 4sealed | 66 | Wilde, Sebastian (1867) | Lost 0-2 | -121511 |
| 5sealed | 494 | Nohel, Stefan (1510) | Lost 0-2 | -181493 |
| 6sealed | 555 | Teloken, Jonny (1512) | Lost 0-2 | -181475 |
| 7sealed | 666 | Mark, Simon (1506) | Lost 0-2 | -171458 |
| top | average opponent: 1560record: 2-4 | new rating: 1458 | ||
| Grand Prix Brussels 2018 (M19 standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 65 | van Montfoort, Kees (1558) | Won 2-1 | +181555 |
| 3standard | 289 | Pernin, Maxime (1457) | Lost 1-2 | -201535 |
| 4standard | 185 | Nagy, Ferenc (1823) | Won 2-0 | +231558 |
| 5standard | 147 | Zapparoli, Mattia (1555) | Lost 0-2 | -181540 |
| 6standard | 266 | Bellemin, Damien (1573) | Lost 0-2 | -171523 |
| 7standard | 361 | Grabowski, Wojciech (1568) | Lost 0-2 | -171506 |
| 8standard | 302 | Jacobs, Lukas (1479) | Lost 1-2 | -191487 |
| top | average opponent: 1573record: 2-5 | new rating: 1487 | ||
| Grand Prix Copenhagen 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 13 | Eberhard, Samuel (1495) | Lost 0-2 | -181482 |
| 3standard | 242 | Erlandsson, Tony (1451) | Won 2-0 | +171499 |
| 4standard | 256 | Sorensen, Mattias (1520) | Won 2-0 | +191518 |
| 5standard | 57 | Schraut, Andreas (1724) | Won 2-0 | +211539 |
| 6standard | 36 | Quinteros, Simon (1472) | Lost 1-2 | -191520 |
| 7standard | 88 | Nystrom, Per (1843) | Won 2-1 | +241544 |
| 8standard | 62 | Magni, Luca (1681) | Won 2-1 | +201564 |
| 9standard | 74 | Meulders, Bram (1858) | Lost 0-2 | -121552 |
| 10standard | 71 | Bujanowicz, Pawel (1746) | Won 2-0 | +211573 |
| 11standard | 42 | Devcic, Denis (1568) | Won 2-1 | +181591 |
| 12standard | 26 | Ward, Peter (1958) | Lost 0-2 | -121579 |
| 13standard | 41 | Telarov, Aleksa (1968) | Lost 0-2 | -111568 |
| 14standard | 62 | Holm, Frederik (1759) | Lost 0-2 | -141554 |
| 15standard | 64 | Pastukhov, Sergiy (1619) | Lost 1-2 | -171537 |
| top | average opponent: 1690record: 7-7 | new rating: 1537 | ||