| # | Name | Elo | Anzahl | Land | Rang |
| 2601. | ssaha | 1881 | 27 | Beginner | |
| 2602. | ssquarechess | 2310 | 2099 | Top Player | |
| 2603. | st2020 | 2009 | 54 | Beginner | |
| 2604. | stan2016 | 2557 | 715 | - | |
| 2605. | staneux | 2001 | 886 | - | |
| 2606. | stantonee ii | 2109 | 16181 | Top Player | |
| 2607. | starmannn | 2186 | 137 | Strong Amateur | |
| 2608. | statsguru73 | 2256 | 318 | Strong Apprentice | |
| 2609. | stcetinel | 2495 | 13490 | Internat. Master | |
| 2610. | steelman60 | 2261 | 1288 | Shooting Star | |
| 2611. | stefan231162 | 2021 | 35443 | Experienced Player | |
| 2612. | stefanhei | 1670 | 10 | - | |
| 2613. | stefanr | 1970 | 32 | Beginner | |
| 2614. | steini1404 | 2109 | 44182 | Master Candidate | |
| 2615. | stejarii | 2393 | 1023 | Shooting Star | |
| 2616. | steliostsekouras | 2210 | 2920 | Master Candidate | |
| 2617. | stevar | 2509 | 4133 | Internat. Master | |
| 2618. | stevetan | 2020 | 348 |
|
Strong Apprentice |
| 2619. | stevie-t | 2430 | 9273 | Internat. Master | |
| 2620. | stifter | 2420 | 22656 | Internat. Master | |
| 2621. | stkalchev | 2588 | 1496 |
|
Shooting Star |
| 2622. | stolenbiclighter | 1969 | 3976 | Club Champion | |
| 2623. | stollicap | 2409 | 3556 | FIDE Master | |
| 2624. | str8uprubbish | 2444 | 2240 |
|
Top Player |
| 2625. | strahle | 2389 | 1443 | Shooting Star |
| # | Name | Elo | Anzahl | Land | Rang |
| 2626. | strange tactics | 2540 | 2489 |
|
Top Player |
| 2627. | strawberry_512 | 1916 | 1114 | Shooting Star | |
| 2628. | strelnikov sergey | 2567 | 2009 | Top Player | |
| 2629. | strinstrider | 2369 | 279 | Strong Amateur | |
| 2630. | strobse3 | 2356 | 9247 | FIDE Master | |
| 2631. | stt2004 | 2223 | 20884 | Experienced Player | |
| 2632. | sturmwind | 2222 | 2608 | Top Player | |
| 2633. | subhasish chakraborty | 2092 | 1076 | Strong Player | |
| 2634. | sudiip | 2079 | 1070 | Shooting Star | |
| 2635. | sugna | 2160 | 2261 | Top Player | |
| 2636. | suhaasmaddi | 2380 | 173 | Beginner | |
| 2637. | sukitha | 2123 | 178 |
|
Strong Amateur |
| 2638. | sundiver | 2820 | 17850 | World Champion | |
| 2639. | sunilgarg | 1945 | 51 | Beginner | |
| 2640. | sunrisek | 2425 | 1020 | Shooting Star | |
| 2641. | super mario | 2607 | 7934 |
|
Grandmaster |
| 2642. | superchesskidezr | 1601 | 1 | - | |
| 2643. | superhornet | 2438 | 1750 |
|
Shooting Star |
| 2644. | supernd30 | 1835 | 28 |
|
Beginner |
| 2645. | superpiep | 1955 | 4966 | Club Champion | |
| 2646. | superslightchess | 2280 | 622 | Player | |
| 2647. | supreme_squadron | 2672 | 1459 | Shooting Star | |
| 2648. | sureshbabuji | 2802 | 20964 |
|
World Champion |
| 2649. | sv16 | 1889 | 30 | Beginner | |
| 2650. | svalbardis | 2235 | 120444 | Master Candidate |