| # | Name | Elo | Anzahl | Land | Rang |
| 4801. | sumaca | 2450 | 1323 | Shooting Star | |
| 4802. | sundiver | 2910 | 19098 | World Champion | |
| 4803. | sundown | 2247 | 289 |
|
Apprentice |
| 4804. | super_nezh | 2422 | 15821 |
|
FIDE Master |
| 4805. | supergm3 | 1915 | 38 | Beginner | |
| 4806. | superpiep | 2029 | 5174 | Club Champion | |
| 4807. | supply_chain_guy | 2466 | 313 |
|
Beginner |
| 4808. | supreme_squadron | 2901 | 2591 | FIDE Master | |
| 4809. | suraj nayak | 2142 | 4208 | Top Player | |
| 4810. | surajinvincible | 1632 | 4 | - | |
| 4811. | sureshbabuji | 2662 | 21538 |
|
World Champion |
| 4812. | suriyaa v | 2010 | 122 | Strong Amateur | |
| 4813. | sv16 | 1971 | 57 | Beginner | |
| 4814. | svalbardis | 2193 | 125214 | Master Candidate | |
| 4815. | sven hother | 2223 | 16396 |
|
FIDE Master |
| 4816. | svend vestergaard | 1906 | 39 | Beginner | |
| 4817. | svmchessacademy | 1952 | 37 | Beginner | |
| 4818. | svs201019 | 2008 | 1668 |
|
Shooting Star |
| 4819. | swaggy_boy | 1960 | 68 | Beginner | |
| 4820. | swal | 2322 | 19802 | FIDE Master | |
| 4821. | swarnendu | 2161 | 469 | Talent | |
| 4822. | swastikbehera2011 | 2030 | 74 | Beginner | |
| 4823. | swayam_0429 | 2297 | 3612 | FIDE Master | |
| 4824. | swerthen | 2286 | 8077 |
|
FIDE Master |
| 4825. | swimmaster | 2238 | 1270 | - |
| # | Name | Elo | Anzahl | Land | Rang |
| 4826. | swindler37 | 2041 | 112 | Amateur | |
| 4827. | swintus | 2180 | 3533 |
|
Master Candidate |
| 4828. | sy1980s | 1675 | 9 | - | |
| 4829. | sybe64 | 1730 | 20 | Beginner | |
| 4830. | sylvain84330 | 2488 | 496 | Strong Amateur | |
| 4831. | sylviohenry | 2171 | 82 | Beginner | |
| 4832. | syma | 2447 | 42049 | Grandmaster | |
| 4833. | symap | 2254 | 107 | Beginner | |
| 4834. | syoon2021 | 2029 | 177 | Strong Amateur | |
| 4835. | sz51367 | 1693 | 7 | - | |
| 4836. | szachulecgargulec | 1613 | 2 | - | |
| 4837. | szachychess | 2150 | 189 | - | |
| 4838. | szdravitsa | 1649 | 4 |
|
- |
| 4839. | szxlv57 | 1651 | 5 | - | |
| 4840. | sébius | 1901 | 51 | Beginner | |
| 4841. | t.holst | 2359 | 3161 |
|
FIDE Master |
| 4842. | t0nym0rtley | 1529 | 24 | Beginner | |
| 4843. | t_o_r | 2381 | 20497 | Internat. Master | |
| 4844. | tabtabtaboon | 2107 | 317 | Strong Apprentice | |
| 4845. | tacgrind | 2474 | 305 | Strong Amateur | |
| 4846. | tacticalroland | 2237 | 108 | Amateur | |
| 4847. | tactics_changer | 2006 | 72 | Beginner | |
| 4848. | tacuriando | 1824 | 36 | Beginner | |
| 4849. | taer | 1595 | 93 | - | |
| 4850. | taffy28 | 2367 | 2672 | FIDE Master |