| # | Name | Elo | Land |
| 801. | jinujom | 1484 |
|
| 802. | jjealing | 2088 | |
| 803. | jjpg5215 | 1367 |
|
| 804. | jlmtil | 2522 | |
| 805. | jmal1970 | 1461 | |
| 806. | jmo | 1159 |
|
| 807. | jnfrankfurt | 1907 |
|
| 808. | jnssnjoh | 1001 | |
| 809. | joachim69 | 1932 | |
| 810. | joadeoli | 1265 |
|
| 811. | jobbe | 1514 | |
| 812. | jobst morawe | 1668 | |
| 813. | joe_toribio | 2015 |
|
| 814. | joerg eismannn2q | 1144 | |
| 815. | joerg raeder | 1375 | |
| 816. | johebo | 1689 | |
| 817. | johnjo | 708 | |
| 818. | johnny apple seed | 1565 |
|
| 819. | johnny favourite | 1737 | |
| 820. | johnthelagger | 1500 |
|
| 821. | jon targaryen | 2082 | |
| 822. | jonathanstone | 1307 | |
| 823. | jonathant | 2301 |
|
| 824. | jonjon12 | 1918 | |
| 825. | jonnyvonhuse | 1677 | |
| 826. | jordiomar | 1231 | |
| 827. | jorgex | 1474 |
|
| 828. | jorheiness | 2037 | |
| 829. | josef ebner | 1393 | |
| 830. | josek | 1364 | |
| 831. | josele1 | 1743 |
|
| 832. | josha matin | 2165 |
|
| 833. | joshsw15 | 1268 | |
| 834. | joshua-jio23-4 | 1578 | |
| 835. | josip33xx | 1981 |
|
| 836. | jost weiser | 1223 | |
| 837. | jovan555 | 1333 |
|
| 838. | joylina | 1395 | |
| 839. | jpaschal12 | 1786 | |
| 840. | jpbnse | 1874 | |
| 841. | jpgchesshh | 1928 | |
| 842. | jprd2 | 1865 |
|
| 843. | jprd3 | 1849 |
|
| 844. | jr_capablanca | 1815 | |
| 845. | jumbojim66 | 1451 |
|
| 846. | junikel | 1905 |
|
| 847. | junior24 | 1278 |
|
| 848. | juralc42 | 1185 |
|
| 849. | justin180312 | 1796 | |
| 850. | juul | 1856 |
| # | Name | Elo | Land |
| 851. | jw1s | 1829 | |
| 852. | jws | 2007 |
|
| 853. | kaboli | 1748 |
|
| 854. | kalinda | 1738 |
|
| 855. | kallol b | 975 |
|
| 856. | kambiz33 | 1343 | |
| 857. | kaminarishock02 | 1392 | |
| 858. | kampfkater | 1808 |
|
| 859. | kanonenfutter | 1682 | |
| 860. | kantor2100 | 1607 |
|
| 861. | kareemhassan94 | 1471 |
|
| 862. | karl-heinzschein | 1900 | |
| 863. | karl197 | 1924 | |
| 864. | karldentolfte | 1666 | |
| 865. | karlkaefer | 1603 | |
| 866. | karpalospo | 1801 | |
| 867. | karpovs shadow | 1968 |
|
| 868. | kartago | 1531 |
|
| 869. | kartikeyan | 1725 | |
| 870. | kaskram | 1573 | |
| 871. | kassahun1 | 2457 | |
| 872. | kater_lux | 1394 | |
| 873. | katianet | 1549 |
|
| 874. | kavish_chess | 1533 | |
| 875. | kayra pacaro | 1774 | |
| 876. | kazemtn | 1605 |
|
| 877. | keas | 2159 | |
| 878. | kemal 100 | 1793 | |
| 879. | kerby | 2308 |
|
| 880. | kermit the frog | 1639 | |
| 881. | kesha ranjan | 1554 |
|
| 882. | keuler | 1740 |
|
| 883. | kevinhenry64 | 1353 | |
| 884. | keyser soze 114 | 2093 |
|
| 885. | kgbpats | 1991 | |
| 886. | khelifa | 1728 | |
| 887. | kid-phaenomenon | 1866 |
|
| 888. | killer64 | 2469 |
|
| 889. | killer8919 | 1445 | |
| 890. | killerpenguin | 1714 |
|
| 891. | kilroy65 | 1775 |
|
| 892. | king george | 1178 | |
| 893. | king must die | 1321 |
|
| 894. | king of fight | 1800 | |
| 895. | kingsize | 1842 |
|
| 896. | kiran | 1599 | |
| 897. | kiran panditrao | 2075 | |
| 898. | kiran_coke | 1650 |
|
| 899. | kirillov | 1483 |
|
| 900. | kirkuk kurdi | 1556 |
|