| # | Name | Elo | Total | Country | Rank |
| 701. | caesar6767 | 1859 | 109 | Amateur | |
| 702. | cafe78 | 2315 | 1469 | Shooting Star | |
| 703. | cafedefrance1 | 1995 | 4642 |
|
Club Champion |
| 704. | caissa fan | 2333 | 1716 | - | |
| 705. | caissa51 | 2306 | 412 | Strong Apprentice | |
| 706. | caissus | 1744 | 17 |
|
- |
| 707. | calamity_ | 1641 | 60 | Beginner | |
| 708. | calin1509 | 1904 | 32 | Beginner | |
| 709. | calvin l dixon | 1813 | 17 | - | |
| 710. | calvinchess | 1690 | 7 | - | |
| 711. | camaleoncio1 | 2138 | 144 | Strong Amateur | |
| 712. | camelloco | 1946 | 37 | Beginner | |
| 713. | camiloj | 2357 | 303 |
|
Strong Amateur |
| 714. | cammiefields | 2625 | 5433 | Grandmaster | |
| 715. | capablanca | 1681 | 7 | - | |
| 716. | capablanca63 | 2491 | 4668 | FIDE Master | |
| 717. | capablancayverde | 2417 | 594 |
|
- |
| 718. | capaeuwekhine | 1998 | 99 |
|
- |
| 719. | capaping | 2557 | 11986 | - | |
| 720. | capivaradf | 1789 | 10 | - | |
| 721. | captcrasto | 1794 | 98 | Amateur | |
| 722. | caracolillo | 1914 | 320 | - | |
| 723. | carafizi | 1914 | 86 | - | |
| 724. | caramell | 1745 | 11 | - | |
| 725. | carellanos | 2402 | 459 |
|
Strong Amateur |
| # | Name | Elo | Total | Country | Rank |
| 726. | carlfahrenheid | 2440 | 122175 | Internat. Master | |
| 727. | carlos a gomes | 1949 | 106 | Amateur | |
| 728. | carlos caudillo | 2155 | 119 | Amateur | |
| 729. | carlosant | 2643 | 0 |
|
World Champion |
| 730. | carlroyle123 | 1845 | 74 | Beginner | |
| 731. | carmar92024 | 1884 | 1572 |
|
Tactics Master |
| 732. | carmelo fd | 2321 | 1845 | Club Champion | |
| 733. | carnivor | 2466 | 456 |
|
Amateur |
| 734. | carno | 2364 | 4330 | FIDE Master | |
| 735. | carokannspieler | 2233 | 7335 | Master Candidate | |
| 736. | carolus | 2285 | 866 | - | |
| 737. | carolustang | 2355 | 235 | Amateur | |
| 738. | carolyn | 2341 | 372 | - | |
| 739. | carsensito12 | 2298 | 146 | - | |
| 740. | carstenh | 2353 | 29197 |
|
FIDE Master |
| 741. | caselli | 2508 | 167666 | Internat. Master | |
| 742. | casmir | 1603 | 1 | - | |
| 743. | casperov | 2104 | 52 | Beginner | |
| 744. | cassandre-apolline | 1919 | 43 | Beginner | |
| 745. | castle | 2338 | 557 | - | |
| 746. | cateye57 | 1849 | 83 | - | |
| 747. | catros | 1942 | 68 | Beginner | |
| 748. | cavbleu | 2459 | 4366 | FIDE Master | |
| 749. | cazpivarov | 2254 | 281 | Apprentice | |
| 750. | caïssa | 2265 | 2120 |
|
Top Player |