| # | Name | Elo | Total | Country | Rank |
| 4651. | sbucs | 2293 | 893 | Shooting Star | |
| 4652. | scacs_2025 | 2293 | 667 | Player | |
| 4653. | scagliarini gennaro | 2271 | 8195 | Master Candidate | |
| 4654. | scaraventeuntaj | 2017 | 55 | Beginner | |
| 4655. | scarecrow4501 | 2115 | 50552 | Experienced Player | |
| 4656. | scarlat gica | 2286 | 27103 | FIDE Master | |
| 4657. | schaakfanmark | 2312 | 976 | Shooting Star | |
| 4658. | schach_cb_2018 | 2620 | 13312 | Grandmaster | |
| 4659. | schachopa2 | 2115 | 406 | Talent | |
| 4660. | schachrossi | 2012 | 94 | - | |
| 4661. | schachschatten | 1956 | 3999 | - | |
| 4662. | schachsim | 2024 | 67 | Beginner | |
| 4663. | schachspiele1 | 2309 | 415 | Talent | |
| 4664. | schachtom0815 | 2241 | 5306 | - | |
| 4665. | schachzabel64 | 2264 | 370 | Strong Apprentice | |
| 4666. | schachzombie | 2346 | 28999 | FIDE Master | |
| 4667. | schackbutiken | 1871 | 32 | Beginner | |
| 4668. | schatz64 | 2404 | 4602 | - | |
| 4669. | schatzl | 1916 | 225 | - | |
| 4670. | scheep_85 | 1781 | 16 | - | |
| 4671. | scheggia960 | 1989 | 63 | Beginner | |
| 4672. | schellner | 1845 | 3812 |
|
- |
| 4673. | schelmut | 2530 | 42524 | Grandmaster | |
| 4674. | schimmbo | 2967 | 4213 |
|
World Champion |
| 4675. | schippers | 2322 | 86676 | FIDE Master |
| # | Name | Elo | Total | Country | Rank |
| 4676. | schlachtross | 2336 | 556 |
|
Talent |
| 4677. | schlechtercarl | 2358 | 2166 |
|
Top Player |
| 4678. | schmarno | 2110 | 87 | Amateur | |
| 4679. | schnariti | 2590 | 21967 | Internat. Master | |
| 4680. | schnickschnack | 2468 | 34921 | FIDE Master | |
| 4681. | schnupper | 2215 | 28876 |
|
FIDE Master |
| 4682. | schubako | 2246 | 4726 | Top Player | |
| 4683. | schwabentaktik | 1976 | 53 |
|
Beginner |
| 4684. | schwarzwaelder | 2246 | 32686 |
|
Master Candidate |
| 4685. | schweicm | 2071 | 565 | Talent | |
| 4686. | schweinsberj | 2511 | 11945 | Internat. Master | |
| 4687. | schwendinger | 2450 | 2608 | FIDE Master | |
| 4688. | scoobydooby | 1602 | 1 | - | |
| 4689. | scor32k | 1623 | 232 |
|
Apprentice |
| 4690. | scoralick | 2201 | 13195 |
|
Master Candidate |
| 4691. | scostin81 | 2613 | 7182 | Internat. Master | |
| 4692. | scott65 | 2150 | 1814 | - | |
| 4693. | scp68 | 2290 | 2170 |
|
Top Player |
| 4694. | screwdrillshole | 2510 | 951 | Shooting Star | |
| 4695. | sdasg | 1944 | 1021 | Strong Player | |
| 4696. | sdd | 1765 | 13 | - | |
| 4697. | sdk1 | 2352 | 211 | Amateur | |
| 4698. | sdlhfdez | 1899 | 32 | Beginner | |
| 4699. | sealight#2k6 | 2275 | 272 | Apprentice | |
| 4700. | sean2017 | 1734 | 11 | - |