| # | Name | Elo | Land |
| 601. | john kalisto | 1520 | |
| 602. | john vojtovitch | 1374 | |
| 603. | johnfmichael | 1665 |
|
| 604. | johnjo | 897 | |
| 605. | johnnybyhomey | 1939 | |
| 606. | johnthelagger | 1372 |
|
| 607. | johntomson1000 | 1574 | |
| 608. | jon buckley | 1666 | |
| 609. | jonathanstone | 1518 | |
| 610. | jorgevalente3348 | 1571 | |
| 611. | jose maria campabadal | 1539 | |
| 612. | jose ospina | 1800 |
|
| 613. | joseka77 | 1681 | |
| 614. | josele1 | 1743 | |
| 615. | joshsw15 | 1464 | |
| 616. | jost weiser | 1612 | |
| 617. | jott | 1960 | |
| 618. | joubert | 1859 |
|
| 619. | jsslix | 1780 |
|
| 620. | jubichess | 2046 | |
| 621. | juergen18 | 1610 | |
| 622. | jumfad | 1794 | |
| 623. | jumi2 | 1923 | |
| 624. | junior24 | 1907 |
|
| 625. | justplaychess29 | 1490 |
|
| 626. | jvr44 | 1466 |
|
| 627. | k-jensson49 | 1677 |
|
| 628. | kahe | 1864 | |
| 629. | kaiser soze | 1757 | |
| 630. | kaiserfranz111 | 1710 | |
| 631. | kalemdark | 1423 |
|
| 632. | kaliadi | 1770 | |
| 633. | kallol b | 1594 |
|
| 634. | kaloyantheking | 2011 |
|
| 635. | karamba0007 | 1538 | |
| 636. | karbo | 1562 | |
| 637. | kareemhassan94 | 1890 |
|
| 638. | karmveer08 | 1610 |
|
| 639. | karrer corina | 1854 | |
| 640. | karsten berndt | 1770 | |
| 641. | kasparlsen | 1912 |
|
| 642. | katermoritz | 1980 | |
| 643. | katir2 | 1669 | |
| 644. | kavo | 1617 | |
| 645. | kendo2d | 1427 |
|
| 646. | keshavarzip | 1583 |
|
| 647. | khaled1973 | 1742 | |
| 648. | khumalo | 1787 | |
| 649. | kianluca | 1693 |
|
| 650. | kickemjenny | 1855 |
| # | Name | Elo | Land |
| 651. | killer8919 | 1789 | |
| 652. | kimus | 1664 |
|
| 653. | king jarthur | 1566 |
|
| 654. | kingharvey | 1708 | |
| 655. | kingtony | 1668 | |
| 656. | kiraa | 1905 | |
| 657. | kirk0536 | 1619 | |
| 658. | klecanak | 1897 | |
| 659. | kleibröba | 1875 |
|
| 660. | knatterton | 1642 |
|
| 661. | knight2504 | 1657 |
|
| 662. | knightclub | 1396 |
|
| 663. | knightess | 1576 |
|
| 664. | knightinvienna | 1414 | |
| 665. | knightmares919 | 1828 | |
| 666. | knilch | 1986 | |
| 667. | ko aung myo | 1983 |
|
| 668. | kolarik | 1701 | |
| 669. | komarca | 1578 |
|
| 670. | kombat | 1818 |
|
| 671. | korkmazaydin12 | 1664 | |
| 672. | kostaspap1995 | 1603 |
|
| 673. | kot-abarmot | 1790 |
|
| 674. | kotryz | 1636 | |
| 675. | kowes27 | 1709 | |
| 676. | kpa121 | 1799 |
|
| 677. | kracher | 1682 | |
| 678. | kramnik14 | 1698 | |
| 679. | kratchiolaurus | 1785 | |
| 680. | kridkid | 1510 |
|
| 681. | krishchess12345 | 1629 | |
| 682. | krishnadas j | 1636 |
|
| 683. | krisstof_020 | 1898 |
|
| 684. | krzysiowoj | 1934 | |
| 685. | kujiro | 1357 | |
| 686. | kulthi | 1844 |
|
| 687. | kunal3729 | 1931 | |
| 688. | kundanarthimalla | 1539 |
|
| 689. | kurt dach | 1534 | |
| 690. | kvazmani | 1784 |
|
| 691. | kybjung | 1522 |
|
| 692. | känguruh | 1662 |
|
| 693. | la12 | 1606 | |
| 694. | lacika1 | 1946 |
|
| 695. | lacky | 1573 | |
| 696. | lafant | 1764 | |
| 697. | lagun10 | 1595 | |
| 698. | laihongmei | 1694 |
|
| 699. | lak466 | 1823 | |
| 700. | laksh basireddy | 1772 |