| # | Name | Elo | Country |
| 501. | rate | 1574 | |
| 502. | raute | 1814 | |
| 503. | rebelmasterchess | 1420 |
|
| 504. | rebuh | 1459 | |
| 505. | rechesqui | 1744 | |
| 506. | rednaxela62 | 1489 | |
| 507. | regulus2 | 1567 |
|
| 508. | reinerrobi | 1628 | |
| 509. | renz | 1560 | |
| 510. | ressqk | 1841 | |
| 511. | rhofer | 1808 |
|
| 512. | riddleton | 1888 |
|
| 513. | ridhi2 | 1254 | |
| 514. | rik113 | 1849 |
|
| 515. | rishi130406 | 1568 | |
| 516. | rishita_baheti | 1617 |
|
| 517. | rjchesspune | 1700 | |
| 518. | robin1947 | 1798 | |
| 519. | rockybhai | 1652 |
|
| 520. | rohstoffel | 1786 | |
| 521. | romeo aragon | 1717 |
|
| 522. | ropadope | 1563 | |
| 523. | ropesala | 1586 | |
| 524. | rubellus | 1386 |
|
| 525. | rudl | 1511 | |
| 526. | rudolf seilinger | 1603 |
|
| 527. | rudolf48 | 1629 |
|
| 528. | rudransh171 | 1442 | |
| 529. | rumtopf70 | 1304 |
|
| 530. | räuber | 1928 | |
| 531. | s_gavrilov | 1704 |
|
| 532. | sacradi | 1266 | |
| 533. | safetovic95 | 1474 | |
| 534. | sahistul | 1656 | |
| 535. | samuelhufnagel2525 | 1863 | |
| 536. | sanjay1969 | 1554 | |
| 537. | savevski | 1346 | |
| 538. | schach 2 | 1400 | |
| 539. | schach in ms | 2029 | |
| 540. | schach_und_golf | 1945 |
|
| 541. | schachmeister99 | 1427 | |
| 542. | schachneu | 1678 |
|
| 543. | schachphantom | 1474 |
|
| 544. | schön | 1212 | |
| 545. | scipio85 | 1559 | |
| 546. | scola3 | 1351 |
|
| 547. | scott65 | 1904 | |
| 548. | seevogel | 1715 |
|
| 549. | sela1401 | 1380 |
|
| 550. | serghei_gramovici | 1541 |
| # | Name | Elo | Country |
| 551. | sermende | 1787 |
|
| 552. | severo pérez | 1690 |
|
| 553. | shamwari | 1736 |
|
| 554. | shourya2 | 1494 | |
| 555. | sicambrius | 1842 | |
| 556. | siegfried1965 | 1738 | |
| 557. | silaviz | 1516 |
|
| 558. | silbertaler | 1619 |
|
| 559. | simba19 | 1301 | |
| 560. | sinco | 1813 |
|
| 561. | singh64 | 1781 | |
| 562. | siola13 | 1557 | |
| 563. | sivaboyalakuntla | 1430 |
|
| 564. | sixtyfour | 1859 | |
| 565. | skit1 | 1813 |
|
| 566. | skk60 | 1695 | |
| 567. | sladin | 1349 | |
| 568. | slhkr9 | 1728 | |
| 569. | snehitha | 1619 | |
| 570. | snehjha2610 | 1960 |
|
| 571. | sniper2 | 1329 |
|
| 572. | soblahovan | 1912 |
|
| 573. | soderlind | 1779 | |
| 574. | sofiasidiropoulou2026 | 1629 | |
| 575. | solide | 1857 |
|
| 576. | sottopromozione | 1670 |
|
| 577. | soupman | 1587 |
|
| 578. | southall4000 | 1636 |
|
| 579. | sparkyraj | 1597 |
|
| 580. | spartanchess | 1759 |
|
| 581. | splayer05 | 1552 |
|
| 582. | splayer08 | 1718 |
|
| 583. | sportsliger | 1798 | |
| 584. | spraff | 1526 |
|
| 585. | sreeram91 | 1647 |
|
| 586. | sri-vidhun | 1128 | |
| 587. | ssani15 | 1651 |
|
| 588. | ssquarechess | 1700 | |
| 589. | ssteiner08 | 1392 | |
| 590. | steenhaut | 1137 | |
| 591. | steimie | 1222 |
|
| 592. | steinitzbis | 1607 |
|
| 593. | stifter | 1544 | |
| 594. | stuart | 1504 | |
| 595. | suhasiddiq | 1698 |
|
| 596. | sumedh_aduri | 1397 |
|
| 597. | sun15 | 1596 | |
| 598. | sunflux3 | 1426 | |
| 599. | superpiep | 1586 | |
| 600. | suvit1234 | 1591 |