| # | Name | Elo | Total | Country | Rank |
| 4851. | skyone | 1655 | 57 |
|
Beginner |
| 4852. | sl3ipner | 2366 | 365 | - | |
| 4853. | slakibuki | 2557 | 39744 |
|
Internat. Master |
| 4854. | slamvex | 2018 | 72 | Beginner | |
| 4855. | slatar | 2062 | 209 |
|
Apprentice |
| 4856. | slawomir_jaksina | 2587 | 294 |
|
Amateur |
| 4857. | slawweg | 1736 | 16 | - | |
| 4858. | sleepy | 2325 | 2314 | - | |
| 4859. | sleepyholow | 2202 | 207 | Apprentice | |
| 4860. | slim409 | 2073 | 783 | Player | |
| 4861. | slovakiapro | 2477 | 432 | Amateur | |
| 4862. | slowplayer13 | 2266 | 447 | Talent | |
| 4863. | slugger | 2392 | 90259 | Internat. Master | |
| 4864. | slytre | 1562 | 50 | - | |
| 4865. | smartbirdy2014 | 1735 | 50 | Beginner | |
| 4866. | smarty63 | 2526 | 12458 | Grandmaster | |
| 4867. | smartysachin | 2079 | 58 | Beginner | |
| 4868. | smgsupremacy1234 | 1538 | 46 | Beginner | |
| 4869. | smhates97 | 1875 | 23 | Beginner | |
| 4870. | smilekiel | 2266 | 292 | Apprentice | |
| 4871. | smishra | 2067 | 99 |
|
Amateur |
| 4872. | smog | 2464 | 6613 |
|
Internat. Master |
| 4873. | smoretton | 1784 | 87 | Amateur | |
| 4874. | smsb59 | 1947 | 327 | Strong Apprentice | |
| 4875. | snavyboats | 2214 | 1754 |
|
Shooting Star |
| # | Name | Elo | Total | Country | Rank |
| 4876. | sneohy | 1953 | 200 | Apprentice | |
| 4877. | sniper2 | 1928 | 141 |
|
Beginner |
| 4878. | snofru | 2451 | 356972 | Internat. Master | |
| 4879. | snoka | 2289 | 169 | Strong Amateur | |
| 4880. | snugglekitty | 1613 | 4 | - | |
| 4881. | snyckers | 2413 | 346 |
|
- |
| 4882. | soberphobia | 2401 | 9294 | FIDE Master | |
| 4883. | sofiav | 1922 | 39 |
|
Beginner |
| 4884. | sogel | 2227 | 3392 | Master Candidate | |
| 4885. | soham manna | 1908 | 27 | Beginner | |
| 4886. | soham190 | 2148 | 124 | Strong Amateur | |
| 4887. | soham8766 | 1677 | 9 | - | |
| 4888. | soham_deshmukh | 2310 | 230 | Apprentice | |
| 4889. | sohamchess64 | 2583 | 260 | Beginner | |
| 4890. | sohil76 | 1729 | 12 |
|
- |
| 4891. | sohuphidi | 2660 | 9781 | Grandmaster | |
| 4892. | soler-b | 2640 | 9321 | Grandmaster | |
| 4893. | solide | 2410 | 14663 |
|
FIDE Master |
| 4894. | solidor | 2371 | 670 |
|
Talent |
| 4895. | solomka333 | 1673 | 56 | Beginner | |
| 4896. | somaclava | 2585 | 63400 | Grandmaster | |
| 4897. | somiame | 1741 | 17 | - | |
| 4898. | somiddho | 2135 | 132 | Strong Amateur | |
| 4899. | somsix68 | 2531 | 308 | Amateur | |
| 4900. | sophrosyne | 2301 | 3371 |
|
FIDE Master |